./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.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.BOUNDED-8.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 19d36f29347962aa6493ae3f62f2f1d2ee94aaa8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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.BOUNDED-8.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 19d36f29347962aa6493ae3f62f2f1d2ee94aaa8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:27:34,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:27:34,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:27:35,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:27:35,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:27:35,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:27:35,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:27:35,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:27:35,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:27:35,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:27:35,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:27:35,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:27:35,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:27:35,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:27:35,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:27:35,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:27:35,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:27:35,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:27:35,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:27:35,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:27:35,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:27:35,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:27:35,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:27:35,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:27:35,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:27:35,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:27:35,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:27:35,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:27:35,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:27:35,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:27:35,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:27:35,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:27:35,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:27:35,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:27:35,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:27:35,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:27:35,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:27:35,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:27:35,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:27:35,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:27:35,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:27:35,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:27:35,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:27:35,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:27:35,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:27:35,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:27:35,211 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:27:35,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:27:35,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:27:35,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:27:35,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:27:35,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:27:35,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:27:35,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:27:35,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:27:35,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:27:35,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:27:35,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:27:35,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:27:35,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:27:35,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:27:35,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:27:35,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:27:35,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:27:35,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:27:35,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:27:35,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:27:35,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:27:35,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:27:35,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:27:35,226 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 -> 19d36f29347962aa6493ae3f62f2f1d2ee94aaa8 [2019-11-27 16:27:35,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:27:35,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:27:35,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:27:35,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:27:35,841 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:27:35,842 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:27:36,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0476f20/a6d2f8743d134408bc90f37f61ad93c2/FLAGe0cf955e0 [2019-11-27 16:27:37,155 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:27:37,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:27:37,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0476f20/a6d2f8743d134408bc90f37f61ad93c2/FLAGe0cf955e0 [2019-11-27 16:27:37,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0476f20/a6d2f8743d134408bc90f37f61ad93c2 [2019-11-27 16:27:37,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:27:37,243 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:27:37,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:27:37,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:27:37,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:27:37,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:27:37" (1/1) ... [2019-11-27 16:27:37,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44395090 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 16:27:37,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:27:37" (1/1) ... [2019-11-27 16:27:37,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:27:37,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:27:38,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:27:38,148 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:27:38,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:27:38,359 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:27:38,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:38 WrapperNode [2019-11-27 16:27:38,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:27:38,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:27:38,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:27:38,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:27:38,374 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 16:27:38,412 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 16:27:38,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:27:38,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:27:38,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:27:38,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:27:38,513 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 16:27:38,513 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 16:27:38,522 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 16:27:38,525 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 16:27:38,549 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 16:27:38,565 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 16:27:38,574 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 16:27:38,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:27:38,606 INFO L168 Benchmark]: Toolchain (without parser) took 1344.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.1 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:38,607 INFO L168 Benchmark]: CDTParser took 1.17 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. [2019-11-27 16:27:38,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1114.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.8 MB in the end (delta: -22.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:27:38,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.74 ms. Allocated memory is still 1.0 GB. Free memory was 989.8 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:27:38,619 INFO L168 Benchmark]: Boogie Preprocessor took 95.72 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:38,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 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 1114.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.8 MB in the end (delta: -22.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.74 ms. Allocated memory is still 1.0 GB. Free memory was 989.8 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 95.72 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 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 16:27:42,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:27:42,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:27:42,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:27:42,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:27:42,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:27:42,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:27:42,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:27:42,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:27:42,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:27:42,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:27:42,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:27:42,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:27:42,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:27:42,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:27:42,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:27:42,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:27:42,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:27:42,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:27:42,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:27:42,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:27:42,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:27:42,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:27:42,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:27:42,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:27:42,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:27:42,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:27:42,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:27:42,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:27:42,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:27:42,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:27:42,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:27:42,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:27:42,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:27:42,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:27:42,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:27:42,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:27:42,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:27:42,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:27:42,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:27:42,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:27:42,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:27:42,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:27:42,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:27:42,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:27:42,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:27:42,912 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:27:42,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:27:42,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:27:42,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:27:42,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:27:42,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:27:42,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:27:42,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:27:42,920 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:27:42,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:27:42,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:27:42,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:27:42,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:27:42,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:27:42,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:27:42,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:27:42,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:27:42,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:27:42,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:27:42,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:27:42,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:27:42,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:27:42,931 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:27:42,931 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:27:42,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:27:42,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:27:42,933 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 -> 19d36f29347962aa6493ae3f62f2f1d2ee94aaa8 [2019-11-27 16:27:43,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:27:43,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:27:43,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:27:43,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:27:43,519 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:27:43,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:27:43,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb68bf1d/1f3946abd0e54fe69817b7808ec9b772/FLAGe149d32ff [2019-11-27 16:27:44,814 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:27:44,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:27:44,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb68bf1d/1f3946abd0e54fe69817b7808ec9b772/FLAGe149d32ff [2019-11-27 16:27:44,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb68bf1d/1f3946abd0e54fe69817b7808ec9b772 [2019-11-27 16:27:44,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:27:44,900 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:27:44,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:27:44,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:27:44,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:27:44,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:27:44" (1/1) ... [2019-11-27 16:27:44,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766a10f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:44, skipping insertion in model container [2019-11-27 16:27:44,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:27:44" (1/1) ... [2019-11-27 16:27:44,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:27:45,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:27:45,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:27:45,875 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:27:46,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:27:46,124 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:27:46,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:27:46 WrapperNode [2019-11-27 16:27:46,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:27:46,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:27:46,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:27:46,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:27:46,141 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 16:27:46,182 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 16:27:46,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:27:46,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:27:46,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:27:46,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:27:46,299 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 16:27:46,301 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 16:27:46,322 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 16:27:46,328 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 16:27:46,355 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 16:27:46,371 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 16:27:46,382 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 16:27:46,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:27:46,406 INFO L168 Benchmark]: Toolchain (without parser) took 1500.20 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 974.3 MB in the end (delta: -12.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:46,408 INFO L168 Benchmark]: CDTParser took 0.40 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 16:27:46,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1219.47 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 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:27:46,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.00 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:27:46,415 INFO L168 Benchmark]: Boogie Preprocessor took 120.30 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:27:46,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1219.47 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 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 150.00 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.30 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...