./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer --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 f369e67185304fce6130a1dfc66e8cb89abf0605 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:20:56,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:20:56,853 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:20:56,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:20:56,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:20:56,861 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:20:56,862 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:20:56,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:20:56,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:20:56,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:20:56,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:20:56,866 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:20:56,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:20:56,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:20:56,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:20:56,868 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:20:56,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:20:56,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:20:56,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:20:56,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:20:56,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:20:56,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:20:56,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:20:56,874 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:20:56,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:20:56,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:20:56,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:20:56,876 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:20:56,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:20:56,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:20:56,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:20:56,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:20:56,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:20:56,878 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:20:56,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:20:56,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:20:56,880 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 14:20:56,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:20:56,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:20:56,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:20:56,888 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:20:56,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:20:56,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:20:56,889 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:20:56,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:20:56,889 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:20:56,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:20:56,889 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:20:56,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:20:56,890 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:20:56,890 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:20:56,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:20:56,890 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:20:56,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:20:56,890 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:20:56,890 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:20:56,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:20:56,891 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:20:56,891 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:20:56,891 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:20:56,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:20:56,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:20:56,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:20:56,891 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:20:56,892 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:20:56,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:20:56,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:20:56,892 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer 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 -> f369e67185304fce6130a1dfc66e8cb89abf0605 [2018-11-23 14:20:56,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:20:56,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:20:56,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:20:56,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:20:56,927 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:20:56,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:20:56,962 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/data/578ca1bc2/83b41773581b41f7afe92e4bbd4fa560/FLAG2bc477bd5 [2018-11-23 14:20:57,396 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:20:57,397 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/sv-benchmarks/c/forester-heap/dll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:20:57,403 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/data/578ca1bc2/83b41773581b41f7afe92e4bbd4fa560/FLAG2bc477bd5 [2018-11-23 14:20:57,414 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/data/578ca1bc2/83b41773581b41f7afe92e4bbd4fa560 [2018-11-23 14:20:57,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:20:57,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:20:57,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:20:57,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:20:57,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:20:57,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1fb88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57, skipping insertion in model container [2018-11-23 14:20:57,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:20:57,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:20:57,656 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:20:57,661 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:20:57,732 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:20:57,763 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:20:57,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57 WrapperNode [2018-11-23 14:20:57,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:20:57,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:20:57,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:20:57,764 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:20:57,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:20:57,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:20:57,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:20:57,782 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:20:57,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... [2018-11-23 14:20:57,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:20:57,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:20:57,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:20:57,803 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:20:57,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:20:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:20:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 14:20:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 14:20:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:20:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:20:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:20:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:20:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 14:20:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 14:20:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:20:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:20:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:20:58,074 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:20:58,074 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 14:20:58,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:58 BoogieIcfgContainer [2018-11-23 14:20:58,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:20:58,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:20:58,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:20:58,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:20:58,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:57" (1/3) ... [2018-11-23 14:20:58,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bb2686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:58, skipping insertion in model container [2018-11-23 14:20:58,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:57" (2/3) ... [2018-11-23 14:20:58,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bb2686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:58, skipping insertion in model container [2018-11-23 14:20:58,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:58" (3/3) ... [2018-11-23 14:20:58,080 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-23 14:20:58,086 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:20:58,090 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:20:58,099 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:20:58,116 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:20:58,116 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:20:58,116 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:20:58,116 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:20:58,116 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:20:58,117 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:20:58,117 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:20:58,117 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:20:58,117 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:20:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-11-23 14:20:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:20:58,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:20:58,133 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:20:58,135 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:20:58,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:20:58,140 INFO L82 PathProgramCache]: Analyzing trace with hash -445630561, now seen corresponding path program 1 times [2018-11-23 14:20:58,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:20:58,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:20:58,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:20:58,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:20:58,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:20:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:20:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:20:58,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:20:58,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:20:58,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:20:58,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:20:58,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:20:58,246 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2018-11-23 14:20:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:20:58,259 INFO L93 Difference]: Finished difference Result 55 states and 84 transitions. [2018-11-23 14:20:58,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:20:58,260 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-23 14:20:58,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:20:58,266 INFO L225 Difference]: With dead ends: 55 [2018-11-23 14:20:58,266 INFO L226 Difference]: Without dead ends: 24 [2018-11-23 14:20:58,269 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:20:58,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-23 14:20:58,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-23 14:20:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 14:20:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2018-11-23 14:20:58,291 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 15 [2018-11-23 14:20:58,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:20:58,291 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2018-11-23 14:20:58,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:20:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-23 14:20:58,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:20:58,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:20:58,292 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:20:58,292 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:20:58,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:20:58,293 INFO L82 PathProgramCache]: Analyzing trace with hash -640042354, now seen corresponding path program 1 times [2018-11-23 14:20:58,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:20:58,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:20:58,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:20:58,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:20:58,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:20:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:20:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:20:58,357 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=23, |#NULL.offset|=13, |old(#NULL.base)|=23, |old(#NULL.offset)|=13] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=23, |old(#NULL.offset)|=13] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=23, |old(#NULL.offset)|=13] [?] RET #117#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret20 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4);call write~$Pointer$(0, 0, ~head~0.base, 4 + ~head~0.offset, 4);call write~int(0, ~head~0.base, 8 + ~head~0.offset, 4);~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [main_~head~0.base=21, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0] [?] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [main_~head~0.base=21, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~nondet1|=0] [?] assume !(0 != #t~nondet1);havoc #t~nondet1; VAL [main_~head~0.base=21, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0] [?] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [main_~head~0.base=21, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~nondet5|=1] [?] assume 0 != #t~nondet5;havoc #t~nondet5;call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(12);~x~0.base, ~x~0.offset := #t~malloc6.base, #t~malloc6.offset;call write~int(1, ~x~0.base, 8 + ~x~0.offset, 4);call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset, 4);call write~$Pointer$(0, 0, ~x~0.base, 4 + ~x~0.offset, 4);~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] call #t~mem14 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0, |main_#t~mem14|=1] [?] assume !(1 != #t~mem14);havoc #t~mem14; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~x~0.base, ~x~0.offset, 4);~x~0.base, ~x~0.offset := #t~mem16.base, #t~mem16.offset;havoc #t~mem16.base, #t~mem16.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] assume !!(~x~0.base != 0 || ~x~0.offset != 0);call #t~mem17 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0, |main_#t~mem17|=0] [?] assume 1 != #t~mem17;havoc #t~mem17; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] assume !false; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=23, #NULL.offset=13, old(#NULL.base)=23, old(#NULL.offset)=13] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=23, old(#NULL.offset)=13] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=23, old(#NULL.offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L989] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12); [L989] ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; [L990] call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); [L991] call write~$Pointer$(0, 0, ~head~0.base, 4 + ~head~0.offset, 4); [L992] call write~int(0, ~head~0.base, 8 + ~head~0.offset, 4); [L994] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~nondet1=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L997-L1005] assume !(0 != #t~nondet1); [L997] havoc #t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~nondet5=1, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1008-L1036] assume 0 != #t~nondet5; [L1008] havoc #t~nondet5; [L1009] call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(12); [L1009] ~x~0.base, ~x~0.offset := #t~malloc6.base, #t~malloc6.offset; [L1010] call write~int(1, ~x~0.base, 8 + ~x~0.offset, 4); [L1011] call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset, 4); [L1012] call write~$Pointer$(0, 0, ~x~0.base, 4 + ~x~0.offset, 4); [L1013] ~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1039] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1042] call #t~mem14 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, #t~mem14=1, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1042-L1045] assume !(1 != #t~mem14); [L1042] havoc #t~mem14; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1048] call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~x~0.base, ~x~0.offset, 4); [L1048] ~x~0.base, ~x~0.offset := #t~mem16.base, #t~mem16.offset; [L1048] havoc #t~mem16.base, #t~mem16.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1049-L1054] assume !!(~x~0.base != 0 || ~x~0.offset != 0); [L1051] call #t~mem17 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, #t~mem17=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1051-L1052] assume 1 != #t~mem17; [L1051] havoc #t~mem17; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1052] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=23, #NULL.offset=13, old(#NULL.base)=23, old(#NULL.offset)=13] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=23, old(#NULL.offset)=13] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=23, old(#NULL.offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L989] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12); [L989] ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; [L990] call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); [L991] call write~$Pointer$(0, 0, ~head~0.base, 4 + ~head~0.offset, 4); [L992] call write~int(0, ~head~0.base, 8 + ~head~0.offset, 4); [L994] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~nondet1=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L997-L1005] assume !(0 != #t~nondet1); [L997] havoc #t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~nondet5=1, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1008-L1036] assume 0 != #t~nondet5; [L1008] havoc #t~nondet5; [L1009] call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(12); [L1009] ~x~0.base, ~x~0.offset := #t~malloc6.base, #t~malloc6.offset; [L1010] call write~int(1, ~x~0.base, 8 + ~x~0.offset, 4); [L1011] call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset, 4); [L1012] call write~$Pointer$(0, 0, ~x~0.base, 4 + ~x~0.offset, 4); [L1013] ~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1039] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1042] call #t~mem14 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, #t~mem14=1, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1042-L1045] assume !(1 != #t~mem14); [L1042] havoc #t~mem14; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1048] call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~x~0.base, ~x~0.offset, 4); [L1048] ~x~0.base, ~x~0.offset := #t~mem16.base, #t~mem16.offset; [L1048] havoc #t~mem16.base, #t~mem16.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1049-L1054] assume !!(~x~0.base != 0 || ~x~0.offset != 0); [L1051] call #t~mem17 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, #t~mem17=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1051-L1052] assume 1 != #t~mem17; [L1051] havoc #t~mem17; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1052] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=23, #NULL!offset=13, old(#NULL!base)=23, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=23, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L989] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L989] ~head~0 := #t~malloc0; [L990] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L991] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L992] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L994] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet1=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997-L1005] COND TRUE !(0 != #t~nondet1) [L997] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet5=1, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008-L1036] COND TRUE 0 != #t~nondet5 [L1008] havoc #t~nondet5; [L1009] FCALL call #t~malloc6 := #Ultimate.alloc(12); [L1009] ~x~0 := #t~malloc6; [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call write~$Pointer$(~head~0, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L1013] ~head~0 := ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1039] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042] FCALL call #t~mem14 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem14=1, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042-L1045] COND TRUE !(1 != #t~mem14) [L1042] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1048] FCALL call #t~mem16 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1048] ~x~0 := #t~mem16; [L1048] havoc #t~mem16; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1049-L1054] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) [L1051] FCALL call #t~mem17 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem17=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1051] COND TRUE 1 != #t~mem17 [L1051] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1052] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=23, #NULL!offset=13, old(#NULL!base)=23, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=23, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L989] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L989] ~head~0 := #t~malloc0; [L990] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L991] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L992] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L994] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet1=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997-L1005] COND TRUE !(0 != #t~nondet1) [L997] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet5=1, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008-L1036] COND TRUE 0 != #t~nondet5 [L1008] havoc #t~nondet5; [L1009] FCALL call #t~malloc6 := #Ultimate.alloc(12); [L1009] ~x~0 := #t~malloc6; [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call write~$Pointer$(~head~0, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L1013] ~head~0 := ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1039] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042] FCALL call #t~mem14 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem14=1, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042-L1045] COND TRUE !(1 != #t~mem14) [L1042] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1048] FCALL call #t~mem16 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1048] ~x~0 := #t~mem16; [L1048] havoc #t~mem16; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1049-L1054] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) [L1051] FCALL call #t~mem17 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem17=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1051] COND TRUE 1 != #t~mem17 [L1051] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1052] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=23, #NULL!offset=13, old(#NULL!base)=23, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=23, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L989] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L989] ~head~0 := #t~malloc0; [L990] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L991] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L992] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L994] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet1=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997-L1005] COND TRUE !(0 != #t~nondet1) [L997] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet5=1, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008-L1036] COND TRUE 0 != #t~nondet5 [L1008] havoc #t~nondet5; [L1009] FCALL call #t~malloc6 := #Ultimate.alloc(12); [L1009] ~x~0 := #t~malloc6; [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call write~$Pointer$(~head~0, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L1013] ~head~0 := ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1039] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042] FCALL call #t~mem14 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem14=1, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042-L1045] COND TRUE !(1 != #t~mem14) [L1042] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1048] FCALL call #t~mem16 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1048] ~x~0 := #t~mem16; [L1048] havoc #t~mem16; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1049-L1054] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) [L1051] FCALL call #t~mem17 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem17=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1051] COND TRUE 1 != #t~mem17 [L1051] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1052] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=23, #NULL!offset=13, old(#NULL!base)=23, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=23, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L989] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L989] ~head~0 := #t~malloc0; [L990] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L991] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L992] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L994] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet1=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997-L1005] COND TRUE !(0 != #t~nondet1) [L997] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet5=1, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008-L1036] COND TRUE 0 != #t~nondet5 [L1008] havoc #t~nondet5; [L1009] FCALL call #t~malloc6 := #Ultimate.alloc(12); [L1009] ~x~0 := #t~malloc6; [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call write~$Pointer$(~head~0, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L1013] ~head~0 := ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1039] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042] FCALL call #t~mem14 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem14=1, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042-L1045] COND TRUE !(1 != #t~mem14) [L1042] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1048] FCALL call #t~mem16 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1048] ~x~0 := #t~mem16; [L1048] havoc #t~mem16; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1049-L1054] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) [L1051] FCALL call #t~mem17 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem17=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1051] COND TRUE 1 != #t~mem17 [L1051] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1052] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L989] SLL* head = malloc(sizeof(SLL)); [L990] head->next = ((void*)0) [L991] head->prev = ((void*)0) [L992] head->data = 0 [L994] SLL* x = head; VAL [head={21:0}, malloc(sizeof(SLL))={21:0}, x={21:0}] [L997] COND FALSE !(__VERIFIER_nondet_int()) [L1008] COND TRUE __VERIFIER_nondet_int() [L1009] x = malloc(sizeof(SLL)) [L1010] x->data = 1 [L1011] x->next = head [L1012] x->prev = ((void*)0) [L1013] head = x VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L1039] x = head VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L1042] EXPR x->data VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}, x->data=1] [L1042] COND FALSE !(x->data != 1) [L1048] EXPR x->next [L1048] x = x->next [L1049] COND TRUE \read(*x) [L1051] EXPR x->data VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={21:0}, x->data=0] [L1051] COND TRUE x->data != 1 [L1052] __VERIFIER_error() VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={21:0}] ----- [2018-11-23 14:20:58,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:20:58 BoogieIcfgContainer [2018-11-23 14:20:58,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:20:58,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:20:58,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:20:58,391 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:20:58,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:58" (3/4) ... [2018-11-23 14:20:58,393 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=23, |#NULL.offset|=13, |old(#NULL.base)|=23, |old(#NULL.offset)|=13] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=23, |old(#NULL.offset)|=13] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=23, |old(#NULL.offset)|=13] [?] RET #117#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret20 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4);call write~$Pointer$(0, 0, ~head~0.base, 4 + ~head~0.offset, 4);call write~int(0, ~head~0.base, 8 + ~head~0.offset, 4);~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [main_~head~0.base=21, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0] [?] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [main_~head~0.base=21, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~nondet1|=0] [?] assume !(0 != #t~nondet1);havoc #t~nondet1; VAL [main_~head~0.base=21, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0] [?] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [main_~head~0.base=21, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~nondet5|=1] [?] assume 0 != #t~nondet5;havoc #t~nondet5;call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(12);~x~0.base, ~x~0.offset := #t~malloc6.base, #t~malloc6.offset;call write~int(1, ~x~0.base, 8 + ~x~0.offset, 4);call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset, 4);call write~$Pointer$(0, 0, ~x~0.base, 4 + ~x~0.offset, 4);~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] call #t~mem14 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0, |main_#t~mem14|=1] [?] assume !(1 != #t~mem14);havoc #t~mem14; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~x~0.base, ~x~0.offset, 4);~x~0.base, ~x~0.offset := #t~mem16.base, #t~mem16.offset;havoc #t~mem16.base, #t~mem16.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] assume !!(~x~0.base != 0 || ~x~0.offset != 0);call #t~mem17 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0, |main_#t~mem17|=0] [?] assume 1 != #t~mem17;havoc #t~mem17; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] assume !false; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=21, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=21, |main_#t~malloc0.offset|=0, |main_#t~malloc6.base|=18, |main_#t~malloc6.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=23, #NULL.offset=13, old(#NULL.base)=23, old(#NULL.offset)=13] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=23, old(#NULL.offset)=13] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=23, old(#NULL.offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L989] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12); [L989] ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; [L990] call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); [L991] call write~$Pointer$(0, 0, ~head~0.base, 4 + ~head~0.offset, 4); [L992] call write~int(0, ~head~0.base, 8 + ~head~0.offset, 4); [L994] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~nondet1=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L997-L1005] assume !(0 != #t~nondet1); [L997] havoc #t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~nondet5=1, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1008-L1036] assume 0 != #t~nondet5; [L1008] havoc #t~nondet5; [L1009] call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(12); [L1009] ~x~0.base, ~x~0.offset := #t~malloc6.base, #t~malloc6.offset; [L1010] call write~int(1, ~x~0.base, 8 + ~x~0.offset, 4); [L1011] call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset, 4); [L1012] call write~$Pointer$(0, 0, ~x~0.base, 4 + ~x~0.offset, 4); [L1013] ~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1039] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1042] call #t~mem14 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, #t~mem14=1, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1042-L1045] assume !(1 != #t~mem14); [L1042] havoc #t~mem14; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1048] call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~x~0.base, ~x~0.offset, 4); [L1048] ~x~0.base, ~x~0.offset := #t~mem16.base, #t~mem16.offset; [L1048] havoc #t~mem16.base, #t~mem16.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1049-L1054] assume !!(~x~0.base != 0 || ~x~0.offset != 0); [L1051] call #t~mem17 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, #t~mem17=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1051-L1052] assume 1 != #t~mem17; [L1051] havoc #t~mem17; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1052] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=23, #NULL.offset=13, old(#NULL.base)=23, old(#NULL.offset)=13] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=23, old(#NULL.offset)=13] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=23, old(#NULL.offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L989] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12); [L989] ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; [L990] call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); [L991] call write~$Pointer$(0, 0, ~head~0.base, 4 + ~head~0.offset, 4); [L992] call write~int(0, ~head~0.base, 8 + ~head~0.offset, 4); [L994] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~nondet1=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L997-L1005] assume !(0 != #t~nondet1); [L997] havoc #t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~nondet5=1, ~head~0.base=21, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1008-L1036] assume 0 != #t~nondet5; [L1008] havoc #t~nondet5; [L1009] call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(12); [L1009] ~x~0.base, ~x~0.offset := #t~malloc6.base, #t~malloc6.offset; [L1010] call write~int(1, ~x~0.base, 8 + ~x~0.offset, 4); [L1011] call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset, 4); [L1012] call write~$Pointer$(0, 0, ~x~0.base, 4 + ~x~0.offset, 4); [L1013] ~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1039] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1042] call #t~mem14 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, #t~mem14=1, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1042-L1045] assume !(1 != #t~mem14); [L1042] havoc #t~mem14; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L1048] call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~x~0.base, ~x~0.offset, 4); [L1048] ~x~0.base, ~x~0.offset := #t~mem16.base, #t~mem16.offset; [L1048] havoc #t~mem16.base, #t~mem16.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1049-L1054] assume !!(~x~0.base != 0 || ~x~0.offset != 0); [L1051] call #t~mem17 := read~int(~x~0.base, 8 + ~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, #t~mem17=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1051-L1052] assume 1 != #t~mem17; [L1051] havoc #t~mem17; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [L1052] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=21, #t~malloc0.offset=0, #t~malloc6.base=18, #t~malloc6.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=21, ~x~0.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=23, #NULL!offset=13, old(#NULL!base)=23, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=23, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L989] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L989] ~head~0 := #t~malloc0; [L990] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L991] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L992] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L994] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet1=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997-L1005] COND TRUE !(0 != #t~nondet1) [L997] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet5=1, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008-L1036] COND TRUE 0 != #t~nondet5 [L1008] havoc #t~nondet5; [L1009] FCALL call #t~malloc6 := #Ultimate.alloc(12); [L1009] ~x~0 := #t~malloc6; [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call write~$Pointer$(~head~0, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L1013] ~head~0 := ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1039] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042] FCALL call #t~mem14 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem14=1, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042-L1045] COND TRUE !(1 != #t~mem14) [L1042] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1048] FCALL call #t~mem16 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1048] ~x~0 := #t~mem16; [L1048] havoc #t~mem16; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1049-L1054] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) [L1051] FCALL call #t~mem17 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem17=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1051] COND TRUE 1 != #t~mem17 [L1051] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1052] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=23, #NULL!offset=13, old(#NULL!base)=23, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=23, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L989] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L989] ~head~0 := #t~malloc0; [L990] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L991] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L992] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L994] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet1=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997-L1005] COND TRUE !(0 != #t~nondet1) [L997] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet5=1, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008-L1036] COND TRUE 0 != #t~nondet5 [L1008] havoc #t~nondet5; [L1009] FCALL call #t~malloc6 := #Ultimate.alloc(12); [L1009] ~x~0 := #t~malloc6; [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call write~$Pointer$(~head~0, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L1013] ~head~0 := ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1039] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042] FCALL call #t~mem14 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem14=1, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042-L1045] COND TRUE !(1 != #t~mem14) [L1042] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1048] FCALL call #t~mem16 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1048] ~x~0 := #t~mem16; [L1048] havoc #t~mem16; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1049-L1054] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) [L1051] FCALL call #t~mem17 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem17=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1051] COND TRUE 1 != #t~mem17 [L1051] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1052] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=23, #NULL!offset=13, old(#NULL!base)=23, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=23, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L989] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L989] ~head~0 := #t~malloc0; [L990] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L991] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L992] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L994] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet1=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997-L1005] COND TRUE !(0 != #t~nondet1) [L997] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet5=1, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008-L1036] COND TRUE 0 != #t~nondet5 [L1008] havoc #t~nondet5; [L1009] FCALL call #t~malloc6 := #Ultimate.alloc(12); [L1009] ~x~0 := #t~malloc6; [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call write~$Pointer$(~head~0, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L1013] ~head~0 := ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1039] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042] FCALL call #t~mem14 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem14=1, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042-L1045] COND TRUE !(1 != #t~mem14) [L1042] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1048] FCALL call #t~mem16 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1048] ~x~0 := #t~mem16; [L1048] havoc #t~mem16; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1049-L1054] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) [L1051] FCALL call #t~mem17 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem17=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1051] COND TRUE 1 != #t~mem17 [L1051] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1052] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=23, #NULL!offset=13, old(#NULL!base)=23, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=23, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret20 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L989] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L989] ~head~0 := #t~malloc0; [L990] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L991] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L992] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L994] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet1=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L997-L1005] COND TRUE !(0 != #t~nondet1) [L997] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~nondet5=1, ~head~0!base=21, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1008-L1036] COND TRUE 0 != #t~nondet5 [L1008] havoc #t~nondet5; [L1009] FCALL call #t~malloc6 := #Ultimate.alloc(12); [L1009] ~x~0 := #t~malloc6; [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call write~$Pointer$(~head~0, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L1013] ~head~0 := ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1039] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042] FCALL call #t~mem14 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem14=1, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1042-L1045] COND TRUE !(1 != #t~mem14) [L1042] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L1048] FCALL call #t~mem16 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1048] ~x~0 := #t~mem16; [L1048] havoc #t~mem16; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1049-L1054] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) [L1051] FCALL call #t~mem17 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, #t~mem17=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1051] COND TRUE 1 != #t~mem17 [L1051] havoc #t~mem17; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L1052] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=21, #t~malloc0!offset=0, #t~malloc6!base=18, #t~malloc6!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=21, ~x~0!offset=0] [L989] SLL* head = malloc(sizeof(SLL)); [L990] head->next = ((void*)0) [L991] head->prev = ((void*)0) [L992] head->data = 0 [L994] SLL* x = head; VAL [head={21:0}, malloc(sizeof(SLL))={21:0}, x={21:0}] [L997] COND FALSE !(__VERIFIER_nondet_int()) [L1008] COND TRUE __VERIFIER_nondet_int() [L1009] x = malloc(sizeof(SLL)) [L1010] x->data = 1 [L1011] x->next = head [L1012] x->prev = ((void*)0) [L1013] head = x VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L1039] x = head VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L1042] EXPR x->data VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}, x->data=1] [L1042] COND FALSE !(x->data != 1) [L1048] EXPR x->next [L1048] x = x->next [L1049] COND TRUE \read(*x) [L1051] EXPR x->data VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={21:0}, x->data=0] [L1051] COND TRUE x->data != 1 [L1052] __VERIFIER_error() VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={21:0}] ----- [2018-11-23 14:20:58,437 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f32a18c7-78f6-482a-8341-41d08649a765/bin-2019/uautomizer/witness.graphml [2018-11-23 14:20:58,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:20:58,438 INFO L168 Benchmark]: Toolchain (without parser) took 1021.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -101.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:20:58,439 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:20:58,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:20:58,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:20:58,440 INFO L168 Benchmark]: Boogie Preprocessor took 20.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:20:58,440 INFO L168 Benchmark]: RCFGBuilder took 271.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:20:58,441 INFO L168 Benchmark]: TraceAbstraction took 315.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:20:58,441 INFO L168 Benchmark]: Witness Printer took 46.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:20:58,443 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 271.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 315.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1052]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L989] SLL* head = malloc(sizeof(SLL)); [L990] head->next = ((void*)0) [L991] head->prev = ((void*)0) [L992] head->data = 0 [L994] SLL* x = head; VAL [head={21:0}, malloc(sizeof(SLL))={21:0}, x={21:0}] [L997] COND FALSE !(__VERIFIER_nondet_int()) [L1008] COND TRUE __VERIFIER_nondet_int() [L1009] x = malloc(sizeof(SLL)) [L1010] x->data = 1 [L1011] x->next = head [L1012] x->prev = ((void*)0) [L1013] head = x VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L1039] x = head VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L1042] EXPR x->data VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={18:0}, x->data=1] [L1042] COND FALSE !(x->data != 1) [L1048] EXPR x->next [L1048] x = x->next [L1049] COND TRUE \read(*x) [L1051] EXPR x->data VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={21:0}, x->data=0] [L1051] COND TRUE x->data != 1 [L1052] __VERIFIER_error() VAL [head={18:0}, malloc(sizeof(SLL))={21:0}, malloc(sizeof(SLL))={18:0}, x={21:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 32 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...