./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f4d5612c 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1dcdcb191cc3a70c9cb7bce226f0263f581cc07 ......................................................................................................................................................... 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1dcdcb191cc3a70c9cb7bce226f0263f581cc07 ............................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: someone already asked if memory model infrastructure was required and we said no --- Real Ultimate output --- This is Ultimate 0.1.24-f4d5612 [2019-11-28 12:52:11,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 12:52:11,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 12:52:11,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 12:52:11,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 12:52:11,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 12:52:11,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 12:52:11,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 12:52:11,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 12:52:11,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 12:52:11,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 12:52:11,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 12:52:11,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 12:52:11,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 12:52:11,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 12:52:11,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 12:52:11,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 12:52:11,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 12:52:11,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 12:52:11,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 12:52:11,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 12:52:11,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 12:52:11,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 12:52:11,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 12:52:11,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 12:52:11,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 12:52:11,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 12:52:11,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 12:52:11,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 12:52:11,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 12:52:11,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 12:52:11,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 12:52:11,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 12:52:11,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 12:52:11,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 12:52:11,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 12:52:11,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 12:52:11,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 12:52:11,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 12:52:11,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 12:52:11,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 12:52:11,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 12:52:11,336 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 12:52:11,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 12:52:11,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 12:52:11,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 12:52:11,338 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 12:52:11,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 12:52:11,338 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 12:52:11,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 12:52:11,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 12:52:11,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 12:52:11,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 12:52:11,339 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 12:52:11,340 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 12:52:11,340 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 12:52:11,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 12:52:11,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 12:52:11,341 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 12:52:11,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 12:52:11,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 12:52:11,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 12:52:11,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 12:52:11,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 12:52:11,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 12:52:11,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 12:52:11,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 12:52:11,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 12:52:11,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 12:52:11,343 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> f1dcdcb191cc3a70c9cb7bce226f0263f581cc07 [2019-11-28 12:52:11,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 12:52:11,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 12:52:11,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 12:52:11,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 12:52:11,670 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 12:52:11,671 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2019-11-28 12:52:11,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4642a4c7a/d2d9034f99c14028a2269c340e37f2d4/FLAG1f8e93661 [2019-11-28 12:52:12,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 12:52:12,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2019-11-28 12:52:12,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4642a4c7a/d2d9034f99c14028a2269c340e37f2d4/FLAG1f8e93661 [2019-11-28 12:52:12,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4642a4c7a/d2d9034f99c14028a2269c340e37f2d4 [2019-11-28 12:52:12,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 12:52:12,634 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 12:52:12,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 12:52:12,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 12:52:12,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 12:52:12,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:12" (1/1) ... [2019-11-28 12:52:12,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7085c7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:12, skipping insertion in model container [2019-11-28 12:52:12,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:12" (1/1) ... [2019-11-28 12:52:12,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 12:52:12,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:52:12,823 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: someone already asked if memory model infrastructure was required and we said no at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler$RequiredMemoryModelFeatures.requireMemoryModelInfrastructure(MemoryHandler.java:3434) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler$RequiredMemoryModelFeatures.reportDataOnHeapRequired(MemoryHandler.java:3488) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getReadCall(MemoryHandler.java:793) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getReadCall(MemoryHandler.java:775) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.switchToRValue(ExpressionResultTransformer.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:721) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1553) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 12:52:12,830 INFO L168 Benchmark]: Toolchain (without parser) took 195.40 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 945.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 12:52:12,831 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 12:52:12,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.29 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 945.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 12:52:12,834 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.29 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 945.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: someone already asked if memory model infrastructure was required and we said no de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: someone already asked if memory model infrastructure was required and we said no: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler$RequiredMemoryModelFeatures.requireMemoryModelInfrastructure(MemoryHandler.java:3434) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-f4d5612 [2019-11-28 12:52:14,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 12:52:14,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 12:52:14,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 12:52:14,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 12:52:14,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 12:52:14,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 12:52:14,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 12:52:14,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 12:52:14,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 12:52:14,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 12:52:14,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 12:52:14,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 12:52:14,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 12:52:14,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 12:52:14,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 12:52:14,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 12:52:14,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 12:52:14,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 12:52:14,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 12:52:14,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 12:52:14,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 12:52:14,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 12:52:14,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 12:52:14,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 12:52:14,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 12:52:14,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 12:52:14,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 12:52:14,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 12:52:14,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 12:52:14,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 12:52:14,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 12:52:14,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 12:52:14,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 12:52:14,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 12:52:14,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 12:52:14,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 12:52:14,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 12:52:14,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 12:52:14,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 12:52:14,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 12:52:14,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 12:52:14,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 12:52:14,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 12:52:14,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 12:52:14,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 12:52:14,784 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 12:52:14,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 12:52:14,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 12:52:14,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 12:52:14,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 12:52:14,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 12:52:14,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 12:52:14,787 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 12:52:14,787 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 12:52:14,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 12:52:14,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 12:52:14,788 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 12:52:14,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 12:52:14,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 12:52:14,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 12:52:14,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 12:52:14,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 12:52:14,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 12:52:14,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 12:52:14,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 12:52:14,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 12:52:14,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 12:52:14,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 12:52:14,790 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 12:52:14,791 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 12:52:14,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 12:52:14,791 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> f1dcdcb191cc3a70c9cb7bce226f0263f581cc07 [2019-11-28 12:52:15,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 12:52:15,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 12:52:15,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 12:52:15,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 12:52:15,106 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 12:52:15,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2019-11-28 12:52:15,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751c8f6ee/3d5792224db449f09da7f88c4d7f5fc5/FLAGbd6a7f9b2 [2019-11-28 12:52:15,681 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 12:52:15,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2019-11-28 12:52:15,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751c8f6ee/3d5792224db449f09da7f88c4d7f5fc5/FLAGbd6a7f9b2 [2019-11-28 12:52:16,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751c8f6ee/3d5792224db449f09da7f88c4d7f5fc5 [2019-11-28 12:52:16,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 12:52:16,031 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 12:52:16,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 12:52:16,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 12:52:16,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 12:52:16,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:16" (1/1) ... [2019-11-28 12:52:16,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7bf631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:16, skipping insertion in model container [2019-11-28 12:52:16,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:16" (1/1) ... [2019-11-28 12:52:16,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 12:52:16,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:52:16,236 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: someone already asked if memory model infrastructure was required and we said no at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler$RequiredMemoryModelFeatures.requireMemoryModelInfrastructure(MemoryHandler.java:3434) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler$RequiredMemoryModelFeatures.reportDataOnHeapRequired(MemoryHandler.java:3488) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getReadCall(MemoryHandler.java:793) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getReadCall(MemoryHandler.java:775) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.switchToRValue(ExpressionResultTransformer.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:721) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1553) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 12:52:16,243 INFO L168 Benchmark]: Toolchain (without parser) took 211.90 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 12:52:16,244 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 12:52:16,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.71 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 12:52:16,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.71 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: someone already asked if memory model infrastructure was required and we said no de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: someone already asked if memory model infrastructure was required and we said no: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler$RequiredMemoryModelFeatures.requireMemoryModelInfrastructure(MemoryHandler.java:3434) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...