./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.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 bb1bf60e7c5f6c944f8ca74528b81cabf5931e0d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.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 bb1bf60e7c5f6c944f8ca74528b81cabf5931e0d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:27:35,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:27:35,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:27:35,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:27:35,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:27:35,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:27:35,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:27:35,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:27:35,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:27:35,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:27:35,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:27:35,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:27:35,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:27:35,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:27:35,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:27:35,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:27:35,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:27:35,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:27:35,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:27:35,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:27:35,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:27:35,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:27:35,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:27:35,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:27:35,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:27:35,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:27:35,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:27:35,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:27:35,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:27:35,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:27:35,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:27:35,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:27:35,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:27:35,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:27:35,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:27:35,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:27:35,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:27:35,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:27:35,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:27:35,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:27:35,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:27:35,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:27:35,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:27:35,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:27:35,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:27:35,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:27:35,365 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:27:35,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:27:35,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:27:35,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:27:35,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:27:35,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:27:35,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:27:35,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:27:35,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:27:35,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:27:35,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:27:35,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:27:35,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:27:35,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:27:35,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:27:35,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:27:35,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:27:35,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:27:35,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:27:35,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:27:35,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:27:35,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:27:35,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:27:35,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:27:35,382 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 -> bb1bf60e7c5f6c944f8ca74528b81cabf5931e0d [2019-11-27 16:27:35,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:27:35,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:27:36,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:27:36,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:27:36,012 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:27:36,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-11-27 16:27:36,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2dc6a32c/371b57f1c010443e99799a3c65e4ee75/FLAG43a340df7 [2019-11-27 16:27:37,338 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:27:37,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-11-27 16:27:37,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2dc6a32c/371b57f1c010443e99799a3c65e4ee75/FLAG43a340df7 [2019-11-27 16:27:37,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2dc6a32c/371b57f1c010443e99799a3c65e4ee75 [2019-11-27 16:27:37,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:27:37,428 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:27:37,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:27:37,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:27:37,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:27:37,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:27:37" (1/1) ... [2019-11-27 16:27:37,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1bd386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:37, skipping insertion in model container [2019-11-27 16:27:37,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:27:37" (1/1) ... [2019-11-27 16:27:37,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:27:37,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:27:38,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:27:38,335 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:27:38,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:27:38,570 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:27:38,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38 WrapperNode [2019-11-27 16:27:38,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:27:38,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:27:38,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:27:38,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:27:38,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:27:38,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:27:38,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:27:38,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:27:38,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38" (1/1) ... [2019-11-27 16:27:38,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:27:38,796 INFO L168 Benchmark]: Toolchain (without parser) took 1357.35 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 979.9 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:38,807 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-27 16:27:38,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.98 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 985.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:27:38,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.45 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 979.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:27:38,815 INFO L168 Benchmark]: Boogie Preprocessor took 86.24 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:38,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1138.98 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 985.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 122.45 ms. Allocated memory is still 1.0 GB. Free memory was 985.6 MB in the beginning and 979.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.24 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:27:42,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:27:42,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:27:42,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:27:42,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:27:42,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:27:42,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:27:42,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:27:42,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:27:42,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:27:42,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:27:42,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:27:42,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:27:42,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:27:42,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:27:42,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:27:42,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:27:42,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:27:42,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:27:42,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:27:42,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:27:42,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:27:42,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:27:42,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:27:43,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:27:43,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:27:43,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:27:43,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:27:43,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:27:43,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:27:43,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:27:43,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:27:43,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:27:43,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:27:43,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:27:43,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:27:43,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:27:43,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:27:43,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:27:43,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:27:43,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:27:43,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:27:43,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:27:43,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:27:43,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:27:43,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:27:43,083 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:27:43,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:27:43,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:27:43,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:27:43,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:27:43,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:27:43,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:27:43,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:27:43,088 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:27:43,091 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:27:43,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:27:43,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:27:43,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:27:43,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:27:43,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:27:43,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:27:43,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:27:43,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:27:43,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:27:43,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:27:43,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:27:43,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:27:43,097 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:27:43,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:27:43,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:27:43,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:27:43,101 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 -> bb1bf60e7c5f6c944f8ca74528b81cabf5931e0d [2019-11-27 16:27:43,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:27:43,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:27:43,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:27:43,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:27:43,704 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:27:43,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-11-27 16:27:43,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97ba4639/e180ad9b7386410c853922852dcfb992/FLAG90c0bd191 [2019-11-27 16:27:44,993 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:27:44,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-11-27 16:27:45,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97ba4639/e180ad9b7386410c853922852dcfb992/FLAG90c0bd191 [2019-11-27 16:27:45,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97ba4639/e180ad9b7386410c853922852dcfb992 [2019-11-27 16:27:45,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:27:45,080 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:27:45,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:27:45,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:27:45,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:27:45,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:27:45" (1/1) ... [2019-11-27 16:27:45,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1bd386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:45, skipping insertion in model container [2019-11-27 16:27:45,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:27:45" (1/1) ... [2019-11-27 16:27:45,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:27:45,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:27:46,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:27:46,063 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:27:46,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:27:46,326 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:27:46,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46 WrapperNode [2019-11-27 16:27:46,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:27:46,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:27:46,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:27:46,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:27:46,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:27:46,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:27:46,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:27:46,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:27:46,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46" (1/1) ... [2019-11-27 16:27:46,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:27:46,632 INFO L168 Benchmark]: Toolchain (without parser) took 1544.99 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 984.2 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:46,634 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:46,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1243.67 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:27:46,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.84 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:46,640 INFO L168 Benchmark]: Boogie Preprocessor took 121.69 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:46,650 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1243.67 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.84 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.69 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...