./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/tree_del_iter.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-da95e15 [2019-11-27 09:52:39,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:39,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:39,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:39,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:39,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:39,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:39,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:39,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:39,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:39,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:39,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:39,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:39,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:39,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:39,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:39,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:39,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:40,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:40,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:40,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:40,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:40,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:40,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:40,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:40,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:40,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:40,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:40,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:40,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:40,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:40,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:40,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:40,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:40,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:40,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:40,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:40,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:40,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:40,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:40,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:40,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:40,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:40,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:40,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:40,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:40,115 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:40,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:40,116 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:40,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:40,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:40,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:40,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:40,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:40,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:40,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:40,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:40,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:40,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:40,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:40,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:40,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:40,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:40,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:40,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:40,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:40,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:40,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:40,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:40,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:40,132 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 [2019-11-27 09:52:40,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:40,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:40,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:40,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:40,756 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:40,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-27 09:52:40,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9154cdb/415f81e3a7704634b0591d989f40e0a3/FLAGad0672568 [2019-11-27 09:52:41,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:41,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-27 09:52:42,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9154cdb/415f81e3a7704634b0591d989f40e0a3/FLAGad0672568 [2019-11-27 09:52:42,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9154cdb/415f81e3a7704634b0591d989f40e0a3 [2019-11-27 09:52:42,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:42,128 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:42,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:42,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:42,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:42,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:42" (1/1) ... [2019-11-27 09:52:42,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:42, skipping insertion in model container [2019-11-27 09:52:42,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:42" (1/1) ... [2019-11-27 09:52:42,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:42,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:42,688 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:2518) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:707) 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:1335) 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:1028) 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:1406) 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:3457) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2274) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:570) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 09:52:42,716 INFO L168 Benchmark]: Toolchain (without parser) took 583.03 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:42,719 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:42,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.88 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:42,726 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 571.88 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.1 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-da95e15 [2019-11-27 09:52:46,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:46,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:46,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:46,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:46,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:46,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:46,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:46,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:46,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:46,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:46,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:46,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:46,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:46,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:46,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:46,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:46,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:46,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:46,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:46,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:46,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:46,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:46,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:46,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:46,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:46,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:46,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:46,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:46,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:46,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:46,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:46,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:46,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:46,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:46,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:46,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:46,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:46,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:46,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:46,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:46,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:46,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:46,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:46,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:46,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:46,861 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:46,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:46,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:46,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:46,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:46,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:46,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:46,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:46,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:46,870 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:46,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:46,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:46,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:46,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:46,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:46,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:46,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:46,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:46,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:46,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:46,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:46,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:46,876 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:46,876 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:46,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:46,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:46,878 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 [2019-11-27 09:52:47,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:47,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:47,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:47,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:47,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:47,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-27 09:52:47,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a5e38ce/96cadb012f794bcf916893330b5defd7/FLAGdfa2b3a6c [2019-11-27 09:52:48,766 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:48,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_del_iter.c [2019-11-27 09:52:48,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a5e38ce/96cadb012f794bcf916893330b5defd7/FLAGdfa2b3a6c [2019-11-27 09:52:48,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a5e38ce/96cadb012f794bcf916893330b5defd7 [2019-11-27 09:52:48,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:48,893 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:48,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:48,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:48,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:48,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:48,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d786972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:48, skipping insertion in model container [2019-11-27 09:52:48,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:48" (1/1) ... [2019-11-27 09:52:48,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:48,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:49,480 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:2518) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:707) 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:1335) 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:1028) 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:1406) 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:3457) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2274) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:570) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 09:52:49,498 INFO L168 Benchmark]: Toolchain (without parser) took 597.93 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:49,501 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:49,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.71 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:49,508 INFO L335 ainManager$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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 591.71 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...