./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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/verifythis/tree_del_iter_incorrect.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 d3ff8ae763cd253b2864cd8208bb318e170f6466 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/tree_del_iter_incorrect.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 d3ff8ae763cd253b2864cd8208bb318e170f6466 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: cannot convert to CFunction --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:48:37,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:48:37,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:48:37,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:48:37,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:48:37,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:48:37,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:48:37,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:48:37,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:48:37,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:48:37,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:48:37,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:48:37,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:48:37,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:48:37,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:48:37,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:48:37,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:48:37,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:48:37,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:48:37,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:48:37,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:48:37,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:48:37,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:48:37,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:48:37,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:48:37,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:48:37,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:48:37,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:48:37,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:48:37,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:48:37,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:48:37,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:48:37,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:48:37,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:48:37,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:48:37,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:48:37,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:48:37,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:48:37,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:48:37,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:48:37,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:48:37,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:48:37,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:48:37,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:48:37,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:48:37,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:48:37,940 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:48:37,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:48:37,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:48:37,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:48:37,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:48:37,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:48:37,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:48:37,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:48:37,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:48:37,947 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:48:37,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:48:37,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:48:37,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:48:37,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:48:37,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:48:37,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:48:37,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:48:37,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:48:37,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:48:37,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:48:37,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:48:37,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:48:37,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:48:37,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:48:37,958 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 -> d3ff8ae763cd253b2864cd8208bb318e170f6466 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:48:38,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:48:38,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:48:38,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:48:38,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:48:38,571 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:48:38,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-20 22:48:38,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1220c053c/48fd2f1d975146d99bb44038f426ee8f/FLAG3c0cab86e [2019-11-20 22:48:39,838 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:48:39,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-20 22:48:39,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1220c053c/48fd2f1d975146d99bb44038f426ee8f/FLAG3c0cab86e [2019-11-20 22:48:39,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1220c053c/48fd2f1d975146d99bb44038f426ee8f [2019-11-20 22:48:39,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:48:39,903 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:48:39,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:48:39,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:48:39,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:48:39,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:39" (1/1) ... [2019-11-20 22:48:39,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157d9c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:39, skipping insertion in model container [2019-11-20 22:48:39,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:39" (1/1) ... [2019-11-20 22:48:39,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:48:40,012 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:48:40,452 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:2511) 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:1302) 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:995) 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:1373) 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:3450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2265) 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:193) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 22:48:40,480 INFO L168 Benchmark]: Toolchain (without parser) took 573.50 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 12.5 GB. [2019-11-20 22:48:40,485 INFO L168 Benchmark]: CDTParser took 4.07 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:48:40,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.65 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 12.5 GB. [2019-11-20 22:48:40,490 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.07 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 560.65 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:48:44,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:48:44,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:48:44,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:48:44,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:48:44,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:48:44,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:48:44,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:48:44,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:48:44,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:48:44,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:48:44,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:48:44,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:48:44,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:48:44,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:48:44,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:48:44,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:48:44,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:48:44,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:48:44,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:48:44,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:48:44,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:48:44,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:48:44,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:48:44,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:48:44,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:48:44,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:48:44,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:48:44,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:48:44,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:48:44,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:48:44,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:48:44,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:48:44,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:48:44,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:48:44,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:48:44,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:48:44,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:48:44,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:48:44,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:48:44,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:48:44,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 22:48:44,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:48:44,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:48:44,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:48:44,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:48:44,496 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:48:44,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:48:44,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:48:44,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:48:44,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:48:44,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:48:44,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:48:44,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:48:44,504 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 22:48:44,504 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 22:48:44,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:48:44,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:48:44,509 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:48:44,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:48:44,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:48:44,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:48:44,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:48:44,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:48:44,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:48:44,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:48:44,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:48:44,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:48:44,514 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 22:48:44,514 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 22:48:44,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:48:44,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 22:48:44,519 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 -> d3ff8ae763cd253b2864cd8208bb318e170f6466 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:48:45,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:48:45,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:48:45,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:48:45,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:48:45,081 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:48:45,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-20 22:48:45,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067f27f01/532f95e30caa43379f8f5ccea8564c15/FLAGf97086e39 [2019-11-20 22:48:46,342 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:48:46,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-20 22:48:46,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067f27f01/532f95e30caa43379f8f5ccea8564c15/FLAGf97086e39 [2019-11-20 22:48:46,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067f27f01/532f95e30caa43379f8f5ccea8564c15 [2019-11-20 22:48:46,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:48:46,409 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:48:46,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:48:46,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:48:46,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:48:46,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:46" (1/1) ... [2019-11-20 22:48:46,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157d9c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:46, skipping insertion in model container [2019-11-20 22:48:46,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:46" (1/1) ... [2019-11-20 22:48:46,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:48:46,513 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:48:46,932 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-20 22:48:46,933 INFO L969 CHandler]: at location: C: (struct node *)malloc(sizeof(struct node)) [23] [2019-11-20 22:48:46,933 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 22:48:46,992 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:2511) 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:1302) 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:995) 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:1373) 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:3450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2265) 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:193) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 22:48:47,007 INFO L168 Benchmark]: Toolchain (without parser) took 592.82 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:48:47,011 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:48:47,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.97 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:48:47,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 583.97 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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...