./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/verifythis/tree_del_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/verifythis/tree_del_rec.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42b3e156f78fe4fcf6b35cfd49f93ee3220cf061 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/tree_del_rec.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42b3e156f78fe4fcf6b35cfd49f93ee3220cf061 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: cannot convert to CFunction --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:24:59,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:24:59,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:24:59,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:24:59,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:24:59,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:24:59,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:24:59,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:24:59,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:24:59,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:24:59,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:24:59,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:24:59,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:24:59,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:24:59,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:24:59,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:24:59,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:24:59,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:24:59,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:24:59,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:24:59,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:24:59,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:24:59,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:24:59,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:24:59,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:24:59,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:24:59,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:24:59,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:24:59,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:24:59,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:24:59,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:24:59,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:24:59,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:24:59,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:24:59,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:24:59,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:24:59,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:24:59,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:24:59,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:24:59,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:24:59,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:24:59,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-24 22:24:59,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:24:59,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:24:59,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:24:59,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:24:59,634 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:24:59,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:24:59,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:24:59,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:24:59,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:24:59,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:24:59,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:24:59,637 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:24:59,639 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:24:59,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:24:59,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:24:59,640 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:24:59,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:24:59,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:24:59,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:24:59,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:24:59,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:24:59,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:24:59,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:24:59,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:24:59,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:24:59,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:24:59,646 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-memcleanup) ) 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 -> 42b3e156f78fe4fcf6b35cfd49f93ee3220cf061 [2019-11-24 22:25:00,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:25:00,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:25:00,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:25:00,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:25:00,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:25:00,267 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_rec.c [2019-11-24 22:25:00,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aee0c35c/8e871b6de7c544c1b0d0f117fe001f95/FLAG5cfd5422a [2019-11-24 22:25:01,483 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:25:01,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_rec.c [2019-11-24 22:25:01,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aee0c35c/8e871b6de7c544c1b0d0f117fe001f95/FLAG5cfd5422a [2019-11-24 22:25:01,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aee0c35c/8e871b6de7c544c1b0d0f117fe001f95 [2019-11-24 22:25:01,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:25:01,625 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:25:01,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:01,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:25:01,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:25:01,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e09eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:01, skipping insertion in model container [2019-11-24 22:25:01,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:01" (1/1) ... [2019-11-24 22:25:01,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:25:01,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:25:02,164 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: cannot convert to CFunction at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.makeAssignment(CHandler.java:2526) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:710) 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:1317) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1010) 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.visit(CHandler.java:1536) 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:1010) 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:1388) 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:3465) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2280) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-24 22:25:02,193 INFO L168 Benchmark]: Toolchain (without parser) took 566.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:02,194 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:25:02,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.82 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:02,203 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 558.82 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: cannot convert to CFunction de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: cannot convert to CFunction: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:706) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:25:06,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:25:06,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:25:06,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:25:06,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:25:06,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:25:06,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:25:06,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:25:06,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:25:06,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:25:06,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:25:06,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:25:06,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:25:06,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:25:06,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:25:06,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:25:06,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:25:06,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:25:06,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:25:06,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:25:06,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:25:06,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:25:06,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:25:06,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:25:06,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:25:06,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:25:06,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:25:06,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:25:06,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:25:06,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:25:06,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:25:06,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:25:06,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:25:06,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:25:06,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:25:06,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:25:06,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:25:06,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:25:06,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:25:06,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:25:06,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:25:06,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-24 22:25:06,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:25:06,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:25:06,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:25:06,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:25:06,428 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:25:06,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:25:06,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:25:06,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:25:06,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:25:06,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:25:06,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:25:06,436 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:25:06,436 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:25:06,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:25:06,437 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:25:06,438 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:25:06,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:25:06,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:25:06,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:25:06,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:25:06,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:25:06,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:25:06,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:25:06,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:25:06,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:25:06,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:25:06,444 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:25:06,446 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:25:06,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:25:06,446 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-memcleanup) ) 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 -> 42b3e156f78fe4fcf6b35cfd49f93ee3220cf061 [2019-11-24 22:25:07,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:25:07,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:25:07,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:25:07,106 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:25:07,107 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:25:07,108 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_rec.c [2019-11-24 22:25:07,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f86f43e7/8c9e4f8e16b74e27a176333f81828577/FLAG780c27ad2 [2019-11-24 22:25:08,366 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:25:08,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_rec.c [2019-11-24 22:25:08,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f86f43e7/8c9e4f8e16b74e27a176333f81828577/FLAG780c27ad2 [2019-11-24 22:25:08,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f86f43e7/8c9e4f8e16b74e27a176333f81828577 [2019-11-24 22:25:08,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:25:08,416 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:25:08,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:08,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:25:08,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:25:08,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42beb182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:08, skipping insertion in model container [2019-11-24 22:25:08,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:08" (1/1) ... [2019-11-24 22:25:08,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:25:08,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:25:08,946 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: cannot convert to CFunction at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.makeAssignment(CHandler.java:2526) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:710) 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:1317) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1010) 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.visit(CHandler.java:1536) 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:1010) 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:1388) 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:3465) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2280) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-24 22:25:08,963 INFO L168 Benchmark]: Toolchain (without parser) took 544.78 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:08,968 INFO L168 Benchmark]: CDTParser took 3.56 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:25:08,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:08,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.56 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 527.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: cannot convert to CFunction de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: cannot convert to CFunction: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:706) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...