./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/tree_del_iter.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.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 9186562caa2aa3b429c14af504cbc4d63c10baa7 --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.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 9186562caa2aa3b429c14af504cbc4d63c10baa7 --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 22:48:37,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:48:37,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:48:37,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:48:37,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:48:37,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:48:37,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:48:37,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:48:37,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:48:37,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:48:37,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:48:37,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:48:37,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:48:37,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:48:37,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:48:37,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:48:37,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:48:37,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:48:37,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:48:37,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:48:37,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:48:37,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:48:37,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:48:37,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:48:37,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:48:37,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:48:37,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:48:37,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:48:37,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:48:37,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:48:37,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:48:37,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:48:37,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:48:37,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:48:37,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:48:37,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:48:37,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:48:37,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:48:37,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:48:37,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:48:37,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:48:37,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:48:37,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:48:38,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:48:38,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:48:38,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:48:38,005 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:48:38,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:48:38,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:48:38,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:48:38,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:48:38,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:48:38,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:48:38,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:48:38,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:48:38,010 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:48:38,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:48:38,011 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:48:38,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:48:38,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:48:38,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:48:38,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:48:38,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:48:38,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:48:38,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:48:38,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:48:38,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:48:38,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:48:38,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:48:38,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:48:38,018 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 -> 9186562caa2aa3b429c14af504cbc4d63c10baa7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:48:38,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:48:38,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:48:38,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:48:38,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:48:38,612 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:48:38,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-20 22:48:38,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86625794/7c14b9e581a7411db8ce005f4ad12d38/FLAGbba4405a7 [2019-11-20 22:48:39,841 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:48:39,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-20 22:48:39,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86625794/7c14b9e581a7411db8ce005f4ad12d38/FLAGbba4405a7 [2019-11-20 22:48:39,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86625794/7c14b9e581a7411db8ce005f4ad12d38 [2019-11-20 22:48:39,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:48:39,910 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:48:39,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:48:39,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:48:39,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:48:39,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:39" (1/1) ... [2019-11-20 22:48:39,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d731fe7 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 22:48:39,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:39" (1/1) ... [2019-11-20 22:48:39,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:48:40,022 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:48:40,528 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 22:48:40,546 INFO L168 Benchmark]: Toolchain (without parser) took 629.60 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:48:40,551 INFO L168 Benchmark]: CDTParser took 2.45 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:48:40,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.92 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:48:40,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.45 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 617.92 ms. Allocated memory is still 1.0 GB. Free memory was 957.4 MB in the beginning and 945.9 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 0.1.24-47b0bc1 [2019-11-20 22:48:44,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:48:44,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:48:44,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:48:44,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:48:44,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:48:44,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:48:44,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:48:44,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:48:44,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:48:44,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:48:44,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:48:44,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:48:44,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:48:44,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:48:44,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:48:44,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:48:44,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:48:44,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:48:44,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:48:44,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:48:44,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:48:44,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:48:44,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:48:44,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:48:44,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:48:44,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:48:44,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:48:44,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:48:44,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:48:44,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:48:44,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:48:44,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:48:44,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:48:44,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:48:44,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:48:44,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:48:44,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:48:44,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:48:44,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:48:44,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:48:44,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 22:48:44,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:48:44,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:48:44,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:48:44,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:48:44,669 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:48:44,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:48:44,669 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:48:44,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:48:44,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:48:44,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:48:44,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:48:44,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:48:44,674 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 22:48:44,675 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 22:48:44,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:48:44,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:48:44,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:48:44,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:48:44,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:48:44,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:48:44,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:48:44,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:48:44,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:48:44,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:48:44,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:48:44,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:48:44,684 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 22:48:44,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 22:48:44,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:48:44,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 22:48:44,689 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 -> 9186562caa2aa3b429c14af504cbc4d63c10baa7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:48:45,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:48:45,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:48:45,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:48:45,290 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:48:45,293 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:48:45,294 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-20 22:48:45,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b507a790f/ec492bdaf42c4e8fa552496d1f45146a/FLAG23afa92ce [2019-11-20 22:48:46,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:48:46,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-20 22:48:46,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b507a790f/ec492bdaf42c4e8fa552496d1f45146a/FLAG23afa92ce [2019-11-20 22:48:46,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b507a790f/ec492bdaf42c4e8fa552496d1f45146a [2019-11-20 22:48:46,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:48:46,587 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:48:46,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:48:46,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:48:46,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:48:46,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:46" (1/1) ... [2019-11-20 22:48:46,608 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 22:48:46,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:46" (1/1) ... [2019-11-20 22:48:46,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:48:46,687 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:48:47,086 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 22:48:47,087 INFO L969 CHandler]: at location: C: (struct node *)malloc(sizeof(struct node)) [23] [2019-11-20 22:48:47,087 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 22:48:47,159 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 22:48:47,255 INFO L168 Benchmark]: Toolchain (without parser) took 588.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:48:47,256 INFO L168 Benchmark]: CDTParser took 1.60 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:48:47,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.00 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:48:47,275 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60 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 581.00 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...