./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/recursive_list_true-termination.c_false-unreach-call.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_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/recursive_list_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d5040117e2eabdebb8b19ac037d1eb680a830cf ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-11-22 21:54:12,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:54:12,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:54:12,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:54:12,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:54:12,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:54:12,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:54:12,285 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:54:12,286 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:54:12,286 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:54:12,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:54:12,287 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:54:12,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:54:12,288 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:54:12,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:54:12,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:54:12,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:54:12,290 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:54:12,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:54:12,293 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:54:12,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:54:12,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:54:12,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:54:12,296 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:54:12,296 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:54:12,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:54:12,297 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:54:12,298 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:54:12,299 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:54:12,299 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:54:12,299 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:54:12,300 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:54:12,300 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:54:12,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:54:12,301 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:54:12,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:54:12,301 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 21:54:12,308 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:54:12,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:54:12,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:54:12,309 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 21:54:12,309 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:54:12,310 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:54:12,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:54:12,310 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:54:12,310 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:54:12,310 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:54:12,310 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:54:12,310 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:54:12,311 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:54:12,311 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:54:12,311 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:54:12,311 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:54:12,311 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:54:12,311 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:54:12,311 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 21:54:12,311 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 21:54:12,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:54:12,312 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:54:12,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:54:12,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:54:12,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:54:12,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:54:12,312 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 21:54:12,313 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:54:12,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:54:12,313 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_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak 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 -> Kojak 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 -> 3d5040117e2eabdebb8b19ac037d1eb680a830cf [2018-11-22 21:54:12,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:54:12,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:54:12,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:54:12,346 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:54:12,346 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:54:12,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/recursive_list_true-termination.c_false-unreach-call.i [2018-11-22 21:54:12,382 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/data/f739e1132/9a0a242a28f14b87acbdaa779307e4ab/FLAGcd7ea6a1a [2018-11-22 21:54:12,690 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:54:12,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/sv-benchmarks/c/ldv-regression/recursive_list_true-termination.c_false-unreach-call.i [2018-11-22 21:54:12,696 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/data/f739e1132/9a0a242a28f14b87acbdaa779307e4ab/FLAGcd7ea6a1a [2018-11-22 21:54:12,707 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/data/f739e1132/9a0a242a28f14b87acbdaa779307e4ab [2018-11-22 21:54:12,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:54:12,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:54:12,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:54:12,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:54:12,715 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:54:12,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4fa66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12, skipping insertion in model container [2018-11-22 21:54:12,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:54:12,741 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:54:12,855 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:54:12,861 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:54:12,871 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:54:12,884 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:54:12,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12 WrapperNode [2018-11-22 21:54:12,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:54:12,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:54:12,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:54:12,885 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:54:12,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:54:12,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:54:12,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:54:12,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:54:12,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... [2018-11-22 21:54:12,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:54:12,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:54:12,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:54:12,920 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:54:12,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-22 21:54:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 21:54:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 21:54:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 21:54:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:54:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:54:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:54:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 21:54:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-11-22 21:54:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-11-22 21:54:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 21:54:13,187 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:54:13,187 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-22 21:54:13,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:13 BoogieIcfgContainer [2018-11-22 21:54:13,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:54:13,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 21:54:13,188 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 21:54:13,194 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 21:54:13,194 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:13" (1/1) ... [2018-11-22 21:54:13,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:54:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:54:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-22 21:54:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-22 21:54:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 21:54:13,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:54:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:54:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:54:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:54:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:54:13,449 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~i~0 := 1;havoc main_#res;havoc main_#t~ret2.base, main_#t~ret2.offset, main_#t~ret3.base, main_#t~ret3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6, main_~l~0.base, main_~l~0.offset, main_~#m~0.base, main_~#m~0.offset;havoc main_~l~0.base, main_~l~0.offset;call main_~#m~0.base, main_~#m~0.offset := #Ultimate.alloc(8);main_~l~0.base, main_~l~0.offset := main_~#m~0.base, main_~#m~0.offset;call write~$Pointer$(0, 0, main_~l~0.base, 4 + main_~l~0.offset, 4);call write~int(0, main_~l~0.base, main_~l~0.offset, 4); VAL [ULTIMATE.start_main_~l~0.base=3, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] CALL call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [|#NULL.base|=0, |#NULL.offset|=0, |append_#in~l.base|=3, |append_#in~l.offset|=0, |append_#in~n|=1, ~i~0=1] [?] ~l.base, ~l.offset := #in~l.base, #in~l.offset;~n := #in~n;havoc ~new_el~0.base, ~new_el~0.offset;havoc allocate_memory_#res.base, allocate_memory_#res.offset;havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset;call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8);allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset;#t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset;~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset;havoc #t~ret1.base, #t~ret1.offset;call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4);call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4);#res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset;assume true; VAL [append_~l.base=3, append_~l.offset=0, append_~n=1, append_~new_el~0.base=9, append_~new_el~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |append_#in~l.base|=3, |append_#in~l.offset|=0, |append_#in~n|=1, |append_#res.base|=9, |append_#res.offset|=0, |append_allocate_memory_#res.base|=9, |append_allocate_memory_#res.offset|=0, |append_allocate_memory_#t~malloc0.base|=9, |append_allocate_memory_#t~malloc0.offset|=0, ~i~0=1] [?] RET #26#return; VAL [ULTIMATE.start_main_~l~0.base=3, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~ret2.base|=9, |ULTIMATE.start_main_#t~ret2.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] main_~l~0.base, main_~l~0.offset := main_#t~ret2.base, main_#t~ret2.offset;havoc main_#t~ret2.base, main_#t~ret2.offset; VAL [ULTIMATE.start_main_~l~0.base=9, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] CALL call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [|#NULL.base|=0, |#NULL.offset|=0, |append_#in~l.base|=9, |append_#in~l.offset|=0, |append_#in~n|=2, ~i~0=1] [?] ~l.base, ~l.offset := #in~l.base, #in~l.offset;~n := #in~n;havoc ~new_el~0.base, ~new_el~0.offset;havoc allocate_memory_#res.base, allocate_memory_#res.offset;havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset;call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8);allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset;#t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset;~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset;havoc #t~ret1.base, #t~ret1.offset;call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4);call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4);#res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset;assume true; VAL [append_~l.base=9, append_~l.offset=0, append_~n=2, append_~new_el~0.base=13, append_~new_el~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |append_#in~l.base|=9, |append_#in~l.offset|=0, |append_#in~n|=2, |append_#res.base|=13, |append_#res.offset|=0, |append_allocate_memory_#res.base|=13, |append_allocate_memory_#res.offset|=0, |append_allocate_memory_#t~malloc0.base|=13, |append_allocate_memory_#t~malloc0.offset|=0, ~i~0=1] [?] RET #28#return; VAL [ULTIMATE.start_main_~l~0.base=9, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~ret3.base|=13, |ULTIMATE.start_main_#t~ret3.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] main_~l~0.base, main_~l~0.offset := main_#t~ret3.base, main_#t~ret3.offset;havoc main_#t~ret3.base, main_#t~ret3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~l~0.base, 4 + main_~l~0.offset, 4);call main_#t~mem5.base, main_#t~mem5.offset := read~$Pointer$(main_#t~mem4.base, 4 + main_#t~mem4.offset, 4);call main_#t~mem6 := read~int(main_#t~mem5.base, main_#t~mem5.offset, 4); VAL [ULTIMATE.start_main_~l~0.base=13, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~mem4.base|=9, |ULTIMATE.start_main_#t~mem4.offset|=0, |ULTIMATE.start_main_#t~mem5.base|=3, |ULTIMATE.start_main_#t~mem5.offset|=0, |ULTIMATE.start_main_#t~mem6|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] assume 0 == main_#t~mem6;havoc main_#t~mem5.base, main_#t~mem5.offset;havoc main_#t~mem6;havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [ULTIMATE.start_main_~l~0.base=13, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] assume !false; VAL [ULTIMATE.start_main_~l~0.base=13, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L17] ~i~0 := 1; [?] havoc main_#res; [?] havoc main_#t~ret2.base, main_#t~ret2.offset, main_#t~ret3.base, main_#t~ret3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6, main_~l~0.base, main_~l~0.offset, main_~#m~0.base, main_~#m~0.offset; [L37] havoc main_~l~0.base, main_~l~0.offset; [L37] call main_~#m~0.base, main_~#m~0.offset := #Ultimate.alloc(8); [L38] main_~l~0.base, main_~l~0.offset := main_~#m~0.base, main_~#m~0.offset; [L39] call write~$Pointer$(0, 0, main_~l~0.base, 4 + main_~l~0.offset, 4); [L40] call write~int(0, main_~l~0.base, main_~l~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=3, main_~l~0.offset=0, ~i~0=1] [L42] CALL call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [#in~l.base=3, #in~l.offset=0, #in~n=1, #NULL.base=0, #NULL.offset=0, ~i~0=1] [L23-L33] ~l.base, ~l.offset := #in~l.base, #in~l.offset; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0.base, ~new_el~0.offset; [L27] havoc allocate_memory_#res.base, allocate_memory_#res.offset; [L27] havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L20] call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8); [L20] allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L27] #t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset; [L27] ~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset; [L27] havoc #t~ret1.base, #t~ret1.offset; [L29] call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4); [L30] call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4); [L32] #res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset; [L23-L33] ensures true; VAL [#in~l.base=3, #in~l.offset=0, #in~n=1, #NULL.base=0, #NULL.offset=0, #res.base=9, #res.offset=0, allocate_memory_#res.base=9, allocate_memory_#res.offset=0, allocate_memory_#t~malloc0.base=9, allocate_memory_#t~malloc0.offset=0, ~i~0=1, ~l.base=3, ~l.offset=0, ~n=1, ~new_el~0.base=9, ~new_el~0.offset=0] [L42] RET call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, main_#t~ret2.base=9, main_#t~ret2.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=3, main_~l~0.offset=0, ~i~0=1] [L42] main_~l~0.base, main_~l~0.offset := main_#t~ret2.base, main_#t~ret2.offset; [L42] havoc main_#t~ret2.base, main_#t~ret2.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=9, main_~l~0.offset=0, ~i~0=1] [L43] CALL call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [#in~l.base=9, #in~l.offset=0, #in~n=2, #NULL.base=0, #NULL.offset=0, ~i~0=1] [L23-L33] ~l.base, ~l.offset := #in~l.base, #in~l.offset; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0.base, ~new_el~0.offset; [L27] havoc allocate_memory_#res.base, allocate_memory_#res.offset; [L27] havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L20] call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8); [L20] allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L27] #t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset; [L27] ~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset; [L27] havoc #t~ret1.base, #t~ret1.offset; [L29] call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4); [L30] call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4); [L32] #res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset; [L23-L33] ensures true; VAL [#in~l.base=9, #in~l.offset=0, #in~n=2, #NULL.base=0, #NULL.offset=0, #res.base=13, #res.offset=0, allocate_memory_#res.base=13, allocate_memory_#res.offset=0, allocate_memory_#t~malloc0.base=13, allocate_memory_#t~malloc0.offset=0, ~i~0=1, ~l.base=9, ~l.offset=0, ~n=2, ~new_el~0.base=13, ~new_el~0.offset=0] [L43] RET call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [#NULL.base=0, #NULL.offset=0, main_#t~ret3.base=13, main_#t~ret3.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=9, main_~l~0.offset=0, ~i~0=1] [L43] main_~l~0.base, main_~l~0.offset := main_#t~ret3.base, main_#t~ret3.offset; [L43] havoc main_#t~ret3.base, main_#t~ret3.offset; [L48] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~l~0.base, 4 + main_~l~0.offset, 4); [L48] call main_#t~mem5.base, main_#t~mem5.offset := read~$Pointer$(main_#t~mem4.base, 4 + main_#t~mem4.offset, 4); [L48] call main_#t~mem6 := read~int(main_#t~mem5.base, main_#t~mem5.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~mem4.base=9, main_#t~mem4.offset=0, main_#t~mem5.base=3, main_#t~mem5.offset=0, main_#t~mem6=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [L48] assume 0 == main_#t~mem6; [L48] havoc main_#t~mem5.base, main_#t~mem5.offset; [L48] havoc main_#t~mem6; [L48] havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [L8] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L17] ~i~0 := 1; [?] havoc main_#res; [?] havoc main_#t~ret2.base, main_#t~ret2.offset, main_#t~ret3.base, main_#t~ret3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6, main_~l~0.base, main_~l~0.offset, main_~#m~0.base, main_~#m~0.offset; [L37] havoc main_~l~0.base, main_~l~0.offset; [L37] call main_~#m~0.base, main_~#m~0.offset := #Ultimate.alloc(8); [L38] main_~l~0.base, main_~l~0.offset := main_~#m~0.base, main_~#m~0.offset; [L39] call write~$Pointer$(0, 0, main_~l~0.base, 4 + main_~l~0.offset, 4); [L40] call write~int(0, main_~l~0.base, main_~l~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=3, main_~l~0.offset=0, ~i~0=1] [L42] CALL call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [#in~l.base=3, #in~l.offset=0, #in~n=1, #NULL.base=0, #NULL.offset=0, ~i~0=1] [L23-L33] ~l.base, ~l.offset := #in~l.base, #in~l.offset; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0.base, ~new_el~0.offset; [L27] havoc allocate_memory_#res.base, allocate_memory_#res.offset; [L27] havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L20] call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8); [L20] allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L27] #t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset; [L27] ~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset; [L27] havoc #t~ret1.base, #t~ret1.offset; [L29] call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4); [L30] call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4); [L32] #res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset; [L23-L33] ensures true; VAL [#in~l.base=3, #in~l.offset=0, #in~n=1, #NULL.base=0, #NULL.offset=0, #res.base=9, #res.offset=0, allocate_memory_#res.base=9, allocate_memory_#res.offset=0, allocate_memory_#t~malloc0.base=9, allocate_memory_#t~malloc0.offset=0, ~i~0=1, ~l.base=3, ~l.offset=0, ~n=1, ~new_el~0.base=9, ~new_el~0.offset=0] [L42] RET call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, main_#t~ret2.base=9, main_#t~ret2.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=3, main_~l~0.offset=0, ~i~0=1] [L42] main_~l~0.base, main_~l~0.offset := main_#t~ret2.base, main_#t~ret2.offset; [L42] havoc main_#t~ret2.base, main_#t~ret2.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=9, main_~l~0.offset=0, ~i~0=1] [L43] CALL call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [#in~l.base=9, #in~l.offset=0, #in~n=2, #NULL.base=0, #NULL.offset=0, ~i~0=1] [L23-L33] ~l.base, ~l.offset := #in~l.base, #in~l.offset; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0.base, ~new_el~0.offset; [L27] havoc allocate_memory_#res.base, allocate_memory_#res.offset; [L27] havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L20] call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8); [L20] allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L27] #t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset; [L27] ~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset; [L27] havoc #t~ret1.base, #t~ret1.offset; [L29] call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4); [L30] call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4); [L32] #res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset; [L23-L33] ensures true; VAL [#in~l.base=9, #in~l.offset=0, #in~n=2, #NULL.base=0, #NULL.offset=0, #res.base=13, #res.offset=0, allocate_memory_#res.base=13, allocate_memory_#res.offset=0, allocate_memory_#t~malloc0.base=13, allocate_memory_#t~malloc0.offset=0, ~i~0=1, ~l.base=9, ~l.offset=0, ~n=2, ~new_el~0.base=13, ~new_el~0.offset=0] [L43] RET call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [#NULL.base=0, #NULL.offset=0, main_#t~ret3.base=13, main_#t~ret3.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=9, main_~l~0.offset=0, ~i~0=1] [L43] main_~l~0.base, main_~l~0.offset := main_#t~ret3.base, main_#t~ret3.offset; [L43] havoc main_#t~ret3.base, main_#t~ret3.offset; [L48] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~l~0.base, 4 + main_~l~0.offset, 4); [L48] call main_#t~mem5.base, main_#t~mem5.offset := read~$Pointer$(main_#t~mem4.base, 4 + main_#t~mem4.offset, 4); [L48] call main_#t~mem6 := read~int(main_#t~mem5.base, main_#t~mem5.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~mem4.base=9, main_#t~mem4.offset=0, main_#t~mem5.base=3, main_#t~mem5.offset=0, main_#t~mem6=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [L48] assume 0 == main_#t~mem6; [L48] havoc main_#t~mem5.base, main_#t~mem5.offset; [L48] havoc main_#t~mem6; [L48] havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [L8] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L17] ~i~0 := 1; [?] havoc main_#res; [?] havoc main_#t~ret2, main_#t~ret3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~l~0, main_~#m~0; [L37] havoc main_~l~0; [L37] FCALL call main_~#m~0 := #Ultimate.alloc(8); [L38] main_~l~0 := main_~#m~0; [L39] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~l~0!base, offset: 4 + main_~l~0!offset }, 4); [L40] FCALL call write~int(0, { base: main_~l~0!base, offset: main_~l~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=3, main_~l~0!offset=0, ~i~0=1] [L42] CALL call main_#t~ret2 := append(main_~l~0, 1); VAL [#in~l!base=3, #in~l!offset=0, #in~n=1, #NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L27] havoc allocate_memory_#res; [L27] havoc allocate_memory_#t~malloc0; [L20] FCALL call allocate_memory_#t~malloc0 := #Ultimate.alloc(8); [L20] allocate_memory_#res := allocate_memory_#t~malloc0; [L27] #t~ret1 := allocate_memory_#res; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L42] RET call main_#t~ret2 := append(main_~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, main_#t~ret2!base=9, main_#t~ret2!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=3, main_~l~0!offset=0, ~i~0=1] [L42] main_~l~0 := main_#t~ret2; [L42] havoc main_#t~ret2; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=9, main_~l~0!offset=0, ~i~0=1] [L43] CALL call main_#t~ret3 := append(main_~l~0, 2); VAL [#in~l!base=9, #in~l!offset=0, #in~n=2, #NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L27] havoc allocate_memory_#res; [L27] havoc allocate_memory_#t~malloc0; [L20] FCALL call allocate_memory_#t~malloc0 := #Ultimate.alloc(8); [L20] allocate_memory_#res := allocate_memory_#t~malloc0; [L27] #t~ret1 := allocate_memory_#res; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L43] RET call main_#t~ret3 := append(main_~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, main_#t~ret3!base=13, main_#t~ret3!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=9, main_~l~0!offset=0, ~i~0=1] [L43] main_~l~0 := main_#t~ret3; [L43] havoc main_#t~ret3; [L48] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~l~0!base, offset: 4 + main_~l~0!offset }, 4); [L48] FCALL call main_#t~mem5 := read~$Pointer$({ base: main_#t~mem4!base, offset: 4 + main_#t~mem4!offset }, 4); [L48] FCALL call main_#t~mem6 := read~int({ base: main_#t~mem5!base, offset: main_#t~mem5!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~mem4!base=9, main_#t~mem4!offset=0, main_#t~mem5!base=3, main_#t~mem5!offset=0, main_#t~mem6=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [L48] COND TRUE 0 == main_#t~mem6 [L48] havoc main_#t~mem5; [L48] havoc main_#t~mem6; [L48] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [L8] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L17] ~i~0 := 1; [?] havoc main_#res; [?] havoc main_#t~ret2, main_#t~ret3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~l~0, main_~#m~0; [L37] havoc main_~l~0; [L37] FCALL call main_~#m~0 := #Ultimate.alloc(8); [L38] main_~l~0 := main_~#m~0; [L39] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~l~0!base, offset: 4 + main_~l~0!offset }, 4); [L40] FCALL call write~int(0, { base: main_~l~0!base, offset: main_~l~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=3, main_~l~0!offset=0, ~i~0=1] [L42] CALL call main_#t~ret2 := append(main_~l~0, 1); VAL [#in~l!base=3, #in~l!offset=0, #in~n=1, #NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L27] havoc allocate_memory_#res; [L27] havoc allocate_memory_#t~malloc0; [L20] FCALL call allocate_memory_#t~malloc0 := #Ultimate.alloc(8); [L20] allocate_memory_#res := allocate_memory_#t~malloc0; [L27] #t~ret1 := allocate_memory_#res; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L42] RET call main_#t~ret2 := append(main_~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, main_#t~ret2!base=9, main_#t~ret2!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=3, main_~l~0!offset=0, ~i~0=1] [L42] main_~l~0 := main_#t~ret2; [L42] havoc main_#t~ret2; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=9, main_~l~0!offset=0, ~i~0=1] [L43] CALL call main_#t~ret3 := append(main_~l~0, 2); VAL [#in~l!base=9, #in~l!offset=0, #in~n=2, #NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L27] havoc allocate_memory_#res; [L27] havoc allocate_memory_#t~malloc0; [L20] FCALL call allocate_memory_#t~malloc0 := #Ultimate.alloc(8); [L20] allocate_memory_#res := allocate_memory_#t~malloc0; [L27] #t~ret1 := allocate_memory_#res; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L43] RET call main_#t~ret3 := append(main_~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, main_#t~ret3!base=13, main_#t~ret3!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=9, main_~l~0!offset=0, ~i~0=1] [L43] main_~l~0 := main_#t~ret3; [L43] havoc main_#t~ret3; [L48] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~l~0!base, offset: 4 + main_~l~0!offset }, 4); [L48] FCALL call main_#t~mem5 := read~$Pointer$({ base: main_#t~mem4!base, offset: 4 + main_#t~mem4!offset }, 4); [L48] FCALL call main_#t~mem6 := read~int({ base: main_#t~mem5!base, offset: main_#t~mem5!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~mem4!base=9, main_#t~mem4!offset=0, main_#t~mem5!base=3, main_#t~mem5!offset=0, main_#t~mem6=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [L48] COND TRUE 0 == main_#t~mem6 [L48] havoc main_#t~mem5; [L48] havoc main_#t~mem6; [L48] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [L8] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L17] ~i~0 := 1; [L37] havoc ~l~0; [L37] FCALL call ~#m~0 := #Ultimate.alloc(8); [L38] ~l~0 := ~#m~0; [L39] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~l~0!base, offset: 4 + ~l~0!offset }, 4); [L40] FCALL call write~int(0, { base: ~l~0!base, offset: ~l~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L42] CALL call #t~ret2 := append(~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L20] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L20] #res := #t~malloc0; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L42] RET call #t~ret2 := append(~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L42] ~l~0 := #t~ret2; [L42] havoc #t~ret2; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L43] CALL call #t~ret3 := append(~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L20] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L20] #res := #t~malloc0; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L43] RET call #t~ret3 := append(~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L43] ~l~0 := #t~ret3; [L43] havoc #t~ret3; [L48] FCALL call #t~mem4 := read~$Pointer$({ base: ~l~0!base, offset: 4 + ~l~0!offset }, 4); [L48] FCALL call #t~mem5 := read~$Pointer$({ base: #t~mem4!base, offset: 4 + #t~mem4!offset }, 4); [L48] FCALL call #t~mem6 := read~int({ base: #t~mem5!base, offset: #t~mem5!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L48] COND TRUE 0 == #t~mem6 [L48] havoc #t~mem5; [L48] havoc #t~mem6; [L48] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L8] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L17] ~i~0 := 1; [L37] havoc ~l~0; [L37] FCALL call ~#m~0 := #Ultimate.alloc(8); [L38] ~l~0 := ~#m~0; [L39] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~l~0!base, offset: 4 + ~l~0!offset }, 4); [L40] FCALL call write~int(0, { base: ~l~0!base, offset: ~l~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L42] CALL call #t~ret2 := append(~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L20] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L20] #res := #t~malloc0; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L42] RET call #t~ret2 := append(~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L42] ~l~0 := #t~ret2; [L42] havoc #t~ret2; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L43] CALL call #t~ret3 := append(~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L20] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L20] #res := #t~malloc0; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L43] RET call #t~ret3 := append(~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L43] ~l~0 := #t~ret3; [L43] havoc #t~ret3; [L48] FCALL call #t~mem4 := read~$Pointer$({ base: ~l~0!base, offset: 4 + ~l~0!offset }, 4); [L48] FCALL call #t~mem5 := read~$Pointer$({ base: #t~mem4!base, offset: 4 + #t~mem4!offset }, 4); [L48] FCALL call #t~mem6 := read~int({ base: #t~mem5!base, offset: #t~mem5!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L48] COND TRUE 0 == #t~mem6 [L48] havoc #t~mem5; [L48] havoc #t~mem6; [L48] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L8] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L17] int i = 1; [L37] struct list *l,m; [L38] l = &m [L39] l->next = 0 [L40] l->n = 0 VAL [i=1] [L42] CALL, EXPR append(l, 1) VAL [i=1] [L25] struct list *new_el; [L20] return malloc(8U); [L27] new_el = allocate_memory() [L29] new_el->n = n [L30] new_el->next = l [L32] return new_el; [L42] RET, EXPR append(l, 1) VAL [i=1] [L42] l = append(l, 1) [L43] CALL, EXPR append(l, 2) VAL [i=1] [L25] struct list *new_el; [L20] return malloc(8U); [L27] new_el = allocate_memory() [L29] new_el->n = n [L30] new_el->next = l [L32] return new_el; [L43] RET, EXPR append(l, 2) VAL [i=1] [L43] l = append(l, 2) [L48] EXPR l->next [L48] EXPR l->next->next [L48] EXPR l->next->next->n VAL [i=1] [L48] COND TRUE l->next->next->n == 0 [L8] __VERIFIER_error() VAL [i=1] ----- [2018-11-22 21:54:13,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 09:54:13 ImpRootNode [2018-11-22 21:54:13,484 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 21:54:13,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:54:13,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:54:13,485 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:54:13,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:13" (3/4) ... [2018-11-22 21:54:13,488 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~i~0 := 1;havoc main_#res;havoc main_#t~ret2.base, main_#t~ret2.offset, main_#t~ret3.base, main_#t~ret3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6, main_~l~0.base, main_~l~0.offset, main_~#m~0.base, main_~#m~0.offset;havoc main_~l~0.base, main_~l~0.offset;call main_~#m~0.base, main_~#m~0.offset := #Ultimate.alloc(8);main_~l~0.base, main_~l~0.offset := main_~#m~0.base, main_~#m~0.offset;call write~$Pointer$(0, 0, main_~l~0.base, 4 + main_~l~0.offset, 4);call write~int(0, main_~l~0.base, main_~l~0.offset, 4); VAL [ULTIMATE.start_main_~l~0.base=3, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] CALL call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [|#NULL.base|=0, |#NULL.offset|=0, |append_#in~l.base|=3, |append_#in~l.offset|=0, |append_#in~n|=1, ~i~0=1] [?] ~l.base, ~l.offset := #in~l.base, #in~l.offset;~n := #in~n;havoc ~new_el~0.base, ~new_el~0.offset;havoc allocate_memory_#res.base, allocate_memory_#res.offset;havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset;call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8);allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset;#t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset;~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset;havoc #t~ret1.base, #t~ret1.offset;call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4);call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4);#res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset;assume true; VAL [append_~l.base=3, append_~l.offset=0, append_~n=1, append_~new_el~0.base=9, append_~new_el~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |append_#in~l.base|=3, |append_#in~l.offset|=0, |append_#in~n|=1, |append_#res.base|=9, |append_#res.offset|=0, |append_allocate_memory_#res.base|=9, |append_allocate_memory_#res.offset|=0, |append_allocate_memory_#t~malloc0.base|=9, |append_allocate_memory_#t~malloc0.offset|=0, ~i~0=1] [?] RET #26#return; VAL [ULTIMATE.start_main_~l~0.base=3, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~ret2.base|=9, |ULTIMATE.start_main_#t~ret2.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] main_~l~0.base, main_~l~0.offset := main_#t~ret2.base, main_#t~ret2.offset;havoc main_#t~ret2.base, main_#t~ret2.offset; VAL [ULTIMATE.start_main_~l~0.base=9, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] CALL call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [|#NULL.base|=0, |#NULL.offset|=0, |append_#in~l.base|=9, |append_#in~l.offset|=0, |append_#in~n|=2, ~i~0=1] [?] ~l.base, ~l.offset := #in~l.base, #in~l.offset;~n := #in~n;havoc ~new_el~0.base, ~new_el~0.offset;havoc allocate_memory_#res.base, allocate_memory_#res.offset;havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset;call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8);allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset;#t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset;~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset;havoc #t~ret1.base, #t~ret1.offset;call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4);call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4);#res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset;assume true; VAL [append_~l.base=9, append_~l.offset=0, append_~n=2, append_~new_el~0.base=13, append_~new_el~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |append_#in~l.base|=9, |append_#in~l.offset|=0, |append_#in~n|=2, |append_#res.base|=13, |append_#res.offset|=0, |append_allocate_memory_#res.base|=13, |append_allocate_memory_#res.offset|=0, |append_allocate_memory_#t~malloc0.base|=13, |append_allocate_memory_#t~malloc0.offset|=0, ~i~0=1] [?] RET #28#return; VAL [ULTIMATE.start_main_~l~0.base=9, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~ret3.base|=13, |ULTIMATE.start_main_#t~ret3.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] main_~l~0.base, main_~l~0.offset := main_#t~ret3.base, main_#t~ret3.offset;havoc main_#t~ret3.base, main_#t~ret3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~l~0.base, 4 + main_~l~0.offset, 4);call main_#t~mem5.base, main_#t~mem5.offset := read~$Pointer$(main_#t~mem4.base, 4 + main_#t~mem4.offset, 4);call main_#t~mem6 := read~int(main_#t~mem5.base, main_#t~mem5.offset, 4); VAL [ULTIMATE.start_main_~l~0.base=13, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~mem4.base|=9, |ULTIMATE.start_main_#t~mem4.offset|=0, |ULTIMATE.start_main_#t~mem5.base|=3, |ULTIMATE.start_main_#t~mem5.offset|=0, |ULTIMATE.start_main_#t~mem6|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] assume 0 == main_#t~mem6;havoc main_#t~mem5.base, main_#t~mem5.offset;havoc main_#t~mem6;havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [ULTIMATE.start_main_~l~0.base=13, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] assume !false; VAL [ULTIMATE.start_main_~l~0.base=13, ULTIMATE.start_main_~l~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_~#m~0.base|=3, |ULTIMATE.start_main_~#m~0.offset|=0, ~i~0=1] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L17] ~i~0 := 1; [?] havoc main_#res; [?] havoc main_#t~ret2.base, main_#t~ret2.offset, main_#t~ret3.base, main_#t~ret3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6, main_~l~0.base, main_~l~0.offset, main_~#m~0.base, main_~#m~0.offset; [L37] havoc main_~l~0.base, main_~l~0.offset; [L37] call main_~#m~0.base, main_~#m~0.offset := #Ultimate.alloc(8); [L38] main_~l~0.base, main_~l~0.offset := main_~#m~0.base, main_~#m~0.offset; [L39] call write~$Pointer$(0, 0, main_~l~0.base, 4 + main_~l~0.offset, 4); [L40] call write~int(0, main_~l~0.base, main_~l~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=3, main_~l~0.offset=0, ~i~0=1] [L42] CALL call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [#in~l.base=3, #in~l.offset=0, #in~n=1, #NULL.base=0, #NULL.offset=0, ~i~0=1] [L23-L33] ~l.base, ~l.offset := #in~l.base, #in~l.offset; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0.base, ~new_el~0.offset; [L27] havoc allocate_memory_#res.base, allocate_memory_#res.offset; [L27] havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L20] call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8); [L20] allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L27] #t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset; [L27] ~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset; [L27] havoc #t~ret1.base, #t~ret1.offset; [L29] call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4); [L30] call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4); [L32] #res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset; [L23-L33] ensures true; VAL [#in~l.base=3, #in~l.offset=0, #in~n=1, #NULL.base=0, #NULL.offset=0, #res.base=9, #res.offset=0, allocate_memory_#res.base=9, allocate_memory_#res.offset=0, allocate_memory_#t~malloc0.base=9, allocate_memory_#t~malloc0.offset=0, ~i~0=1, ~l.base=3, ~l.offset=0, ~n=1, ~new_el~0.base=9, ~new_el~0.offset=0] [L42] RET call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, main_#t~ret2.base=9, main_#t~ret2.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=3, main_~l~0.offset=0, ~i~0=1] [L42] main_~l~0.base, main_~l~0.offset := main_#t~ret2.base, main_#t~ret2.offset; [L42] havoc main_#t~ret2.base, main_#t~ret2.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=9, main_~l~0.offset=0, ~i~0=1] [L43] CALL call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [#in~l.base=9, #in~l.offset=0, #in~n=2, #NULL.base=0, #NULL.offset=0, ~i~0=1] [L23-L33] ~l.base, ~l.offset := #in~l.base, #in~l.offset; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0.base, ~new_el~0.offset; [L27] havoc allocate_memory_#res.base, allocate_memory_#res.offset; [L27] havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L20] call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8); [L20] allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L27] #t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset; [L27] ~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset; [L27] havoc #t~ret1.base, #t~ret1.offset; [L29] call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4); [L30] call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4); [L32] #res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset; [L23-L33] ensures true; VAL [#in~l.base=9, #in~l.offset=0, #in~n=2, #NULL.base=0, #NULL.offset=0, #res.base=13, #res.offset=0, allocate_memory_#res.base=13, allocate_memory_#res.offset=0, allocate_memory_#t~malloc0.base=13, allocate_memory_#t~malloc0.offset=0, ~i~0=1, ~l.base=9, ~l.offset=0, ~n=2, ~new_el~0.base=13, ~new_el~0.offset=0] [L43] RET call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [#NULL.base=0, #NULL.offset=0, main_#t~ret3.base=13, main_#t~ret3.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=9, main_~l~0.offset=0, ~i~0=1] [L43] main_~l~0.base, main_~l~0.offset := main_#t~ret3.base, main_#t~ret3.offset; [L43] havoc main_#t~ret3.base, main_#t~ret3.offset; [L48] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~l~0.base, 4 + main_~l~0.offset, 4); [L48] call main_#t~mem5.base, main_#t~mem5.offset := read~$Pointer$(main_#t~mem4.base, 4 + main_#t~mem4.offset, 4); [L48] call main_#t~mem6 := read~int(main_#t~mem5.base, main_#t~mem5.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~mem4.base=9, main_#t~mem4.offset=0, main_#t~mem5.base=3, main_#t~mem5.offset=0, main_#t~mem6=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [L48] assume 0 == main_#t~mem6; [L48] havoc main_#t~mem5.base, main_#t~mem5.offset; [L48] havoc main_#t~mem6; [L48] havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [L8] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L17] ~i~0 := 1; [?] havoc main_#res; [?] havoc main_#t~ret2.base, main_#t~ret2.offset, main_#t~ret3.base, main_#t~ret3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_#t~mem6, main_~l~0.base, main_~l~0.offset, main_~#m~0.base, main_~#m~0.offset; [L37] havoc main_~l~0.base, main_~l~0.offset; [L37] call main_~#m~0.base, main_~#m~0.offset := #Ultimate.alloc(8); [L38] main_~l~0.base, main_~l~0.offset := main_~#m~0.base, main_~#m~0.offset; [L39] call write~$Pointer$(0, 0, main_~l~0.base, 4 + main_~l~0.offset, 4); [L40] call write~int(0, main_~l~0.base, main_~l~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=3, main_~l~0.offset=0, ~i~0=1] [L42] CALL call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [#in~l.base=3, #in~l.offset=0, #in~n=1, #NULL.base=0, #NULL.offset=0, ~i~0=1] [L23-L33] ~l.base, ~l.offset := #in~l.base, #in~l.offset; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0.base, ~new_el~0.offset; [L27] havoc allocate_memory_#res.base, allocate_memory_#res.offset; [L27] havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L20] call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8); [L20] allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L27] #t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset; [L27] ~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset; [L27] havoc #t~ret1.base, #t~ret1.offset; [L29] call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4); [L30] call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4); [L32] #res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset; [L23-L33] ensures true; VAL [#in~l.base=3, #in~l.offset=0, #in~n=1, #NULL.base=0, #NULL.offset=0, #res.base=9, #res.offset=0, allocate_memory_#res.base=9, allocate_memory_#res.offset=0, allocate_memory_#t~malloc0.base=9, allocate_memory_#t~malloc0.offset=0, ~i~0=1, ~l.base=3, ~l.offset=0, ~n=1, ~new_el~0.base=9, ~new_el~0.offset=0] [L42] RET call main_#t~ret2.base, main_#t~ret2.offset := append(main_~l~0.base, main_~l~0.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, main_#t~ret2.base=9, main_#t~ret2.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=3, main_~l~0.offset=0, ~i~0=1] [L42] main_~l~0.base, main_~l~0.offset := main_#t~ret2.base, main_#t~ret2.offset; [L42] havoc main_#t~ret2.base, main_#t~ret2.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=9, main_~l~0.offset=0, ~i~0=1] [L43] CALL call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [#in~l.base=9, #in~l.offset=0, #in~n=2, #NULL.base=0, #NULL.offset=0, ~i~0=1] [L23-L33] ~l.base, ~l.offset := #in~l.base, #in~l.offset; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0.base, ~new_el~0.offset; [L27] havoc allocate_memory_#res.base, allocate_memory_#res.offset; [L27] havoc allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L20] call allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset := #Ultimate.alloc(8); [L20] allocate_memory_#res.base, allocate_memory_#res.offset := allocate_memory_#t~malloc0.base, allocate_memory_#t~malloc0.offset; [L27] #t~ret1.base, #t~ret1.offset := allocate_memory_#res.base, allocate_memory_#res.offset; [L27] ~new_el~0.base, ~new_el~0.offset := #t~ret1.base, #t~ret1.offset; [L27] havoc #t~ret1.base, #t~ret1.offset; [L29] call write~int(~n, ~new_el~0.base, ~new_el~0.offset, 4); [L30] call write~$Pointer$(~l.base, ~l.offset, ~new_el~0.base, 4 + ~new_el~0.offset, 4); [L32] #res.base, #res.offset := ~new_el~0.base, ~new_el~0.offset; [L23-L33] ensures true; VAL [#in~l.base=9, #in~l.offset=0, #in~n=2, #NULL.base=0, #NULL.offset=0, #res.base=13, #res.offset=0, allocate_memory_#res.base=13, allocate_memory_#res.offset=0, allocate_memory_#t~malloc0.base=13, allocate_memory_#t~malloc0.offset=0, ~i~0=1, ~l.base=9, ~l.offset=0, ~n=2, ~new_el~0.base=13, ~new_el~0.offset=0] [L43] RET call main_#t~ret3.base, main_#t~ret3.offset := append(main_~l~0.base, main_~l~0.offset, 2); VAL [#NULL.base=0, #NULL.offset=0, main_#t~ret3.base=13, main_#t~ret3.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=9, main_~l~0.offset=0, ~i~0=1] [L43] main_~l~0.base, main_~l~0.offset := main_#t~ret3.base, main_#t~ret3.offset; [L43] havoc main_#t~ret3.base, main_#t~ret3.offset; [L48] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~l~0.base, 4 + main_~l~0.offset, 4); [L48] call main_#t~mem5.base, main_#t~mem5.offset := read~$Pointer$(main_#t~mem4.base, 4 + main_#t~mem4.offset, 4); [L48] call main_#t~mem6 := read~int(main_#t~mem5.base, main_#t~mem5.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~mem4.base=9, main_#t~mem4.offset=0, main_#t~mem5.base=3, main_#t~mem5.offset=0, main_#t~mem6=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [L48] assume 0 == main_#t~mem6; [L48] havoc main_#t~mem5.base, main_#t~mem5.offset; [L48] havoc main_#t~mem6; [L48] havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [L8] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~#m~0.base=3, main_~#m~0.offset=0, main_~l~0.base=13, main_~l~0.offset=0, ~i~0=1] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L17] ~i~0 := 1; [?] havoc main_#res; [?] havoc main_#t~ret2, main_#t~ret3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~l~0, main_~#m~0; [L37] havoc main_~l~0; [L37] FCALL call main_~#m~0 := #Ultimate.alloc(8); [L38] main_~l~0 := main_~#m~0; [L39] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~l~0!base, offset: 4 + main_~l~0!offset }, 4); [L40] FCALL call write~int(0, { base: main_~l~0!base, offset: main_~l~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=3, main_~l~0!offset=0, ~i~0=1] [L42] CALL call main_#t~ret2 := append(main_~l~0, 1); VAL [#in~l!base=3, #in~l!offset=0, #in~n=1, #NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L27] havoc allocate_memory_#res; [L27] havoc allocate_memory_#t~malloc0; [L20] FCALL call allocate_memory_#t~malloc0 := #Ultimate.alloc(8); [L20] allocate_memory_#res := allocate_memory_#t~malloc0; [L27] #t~ret1 := allocate_memory_#res; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L42] RET call main_#t~ret2 := append(main_~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, main_#t~ret2!base=9, main_#t~ret2!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=3, main_~l~0!offset=0, ~i~0=1] [L42] main_~l~0 := main_#t~ret2; [L42] havoc main_#t~ret2; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=9, main_~l~0!offset=0, ~i~0=1] [L43] CALL call main_#t~ret3 := append(main_~l~0, 2); VAL [#in~l!base=9, #in~l!offset=0, #in~n=2, #NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L27] havoc allocate_memory_#res; [L27] havoc allocate_memory_#t~malloc0; [L20] FCALL call allocate_memory_#t~malloc0 := #Ultimate.alloc(8); [L20] allocate_memory_#res := allocate_memory_#t~malloc0; [L27] #t~ret1 := allocate_memory_#res; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L43] RET call main_#t~ret3 := append(main_~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, main_#t~ret3!base=13, main_#t~ret3!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=9, main_~l~0!offset=0, ~i~0=1] [L43] main_~l~0 := main_#t~ret3; [L43] havoc main_#t~ret3; [L48] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~l~0!base, offset: 4 + main_~l~0!offset }, 4); [L48] FCALL call main_#t~mem5 := read~$Pointer$({ base: main_#t~mem4!base, offset: 4 + main_#t~mem4!offset }, 4); [L48] FCALL call main_#t~mem6 := read~int({ base: main_#t~mem5!base, offset: main_#t~mem5!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~mem4!base=9, main_#t~mem4!offset=0, main_#t~mem5!base=3, main_#t~mem5!offset=0, main_#t~mem6=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [L48] COND TRUE 0 == main_#t~mem6 [L48] havoc main_#t~mem5; [L48] havoc main_#t~mem6; [L48] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [L8] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L17] ~i~0 := 1; [?] havoc main_#res; [?] havoc main_#t~ret2, main_#t~ret3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~l~0, main_~#m~0; [L37] havoc main_~l~0; [L37] FCALL call main_~#m~0 := #Ultimate.alloc(8); [L38] main_~l~0 := main_~#m~0; [L39] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~l~0!base, offset: 4 + main_~l~0!offset }, 4); [L40] FCALL call write~int(0, { base: main_~l~0!base, offset: main_~l~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=3, main_~l~0!offset=0, ~i~0=1] [L42] CALL call main_#t~ret2 := append(main_~l~0, 1); VAL [#in~l!base=3, #in~l!offset=0, #in~n=1, #NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L27] havoc allocate_memory_#res; [L27] havoc allocate_memory_#t~malloc0; [L20] FCALL call allocate_memory_#t~malloc0 := #Ultimate.alloc(8); [L20] allocate_memory_#res := allocate_memory_#t~malloc0; [L27] #t~ret1 := allocate_memory_#res; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L42] RET call main_#t~ret2 := append(main_~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, main_#t~ret2!base=9, main_#t~ret2!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=3, main_~l~0!offset=0, ~i~0=1] [L42] main_~l~0 := main_#t~ret2; [L42] havoc main_#t~ret2; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=9, main_~l~0!offset=0, ~i~0=1] [L43] CALL call main_#t~ret3 := append(main_~l~0, 2); VAL [#in~l!base=9, #in~l!offset=0, #in~n=2, #NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L27] havoc allocate_memory_#res; [L27] havoc allocate_memory_#t~malloc0; [L20] FCALL call allocate_memory_#t~malloc0 := #Ultimate.alloc(8); [L20] allocate_memory_#res := allocate_memory_#t~malloc0; [L27] #t~ret1 := allocate_memory_#res; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L43] RET call main_#t~ret3 := append(main_~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, main_#t~ret3!base=13, main_#t~ret3!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=9, main_~l~0!offset=0, ~i~0=1] [L43] main_~l~0 := main_#t~ret3; [L43] havoc main_#t~ret3; [L48] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~l~0!base, offset: 4 + main_~l~0!offset }, 4); [L48] FCALL call main_#t~mem5 := read~$Pointer$({ base: main_#t~mem4!base, offset: 4 + main_#t~mem4!offset }, 4); [L48] FCALL call main_#t~mem6 := read~int({ base: main_#t~mem5!base, offset: main_#t~mem5!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~mem4!base=9, main_#t~mem4!offset=0, main_#t~mem5!base=3, main_#t~mem5!offset=0, main_#t~mem6=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [L48] COND TRUE 0 == main_#t~mem6 [L48] havoc main_#t~mem5; [L48] havoc main_#t~mem6; [L48] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [L8] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~#m~0!base=3, main_~#m~0!offset=0, main_~l~0!base=13, main_~l~0!offset=0, ~i~0=1] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L17] ~i~0 := 1; [L37] havoc ~l~0; [L37] FCALL call ~#m~0 := #Ultimate.alloc(8); [L38] ~l~0 := ~#m~0; [L39] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~l~0!base, offset: 4 + ~l~0!offset }, 4); [L40] FCALL call write~int(0, { base: ~l~0!base, offset: ~l~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L42] CALL call #t~ret2 := append(~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L20] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L20] #res := #t~malloc0; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L42] RET call #t~ret2 := append(~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L42] ~l~0 := #t~ret2; [L42] havoc #t~ret2; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L43] CALL call #t~ret3 := append(~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L20] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L20] #res := #t~malloc0; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L43] RET call #t~ret3 := append(~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L43] ~l~0 := #t~ret3; [L43] havoc #t~ret3; [L48] FCALL call #t~mem4 := read~$Pointer$({ base: ~l~0!base, offset: 4 + ~l~0!offset }, 4); [L48] FCALL call #t~mem5 := read~$Pointer$({ base: #t~mem4!base, offset: 4 + #t~mem4!offset }, 4); [L48] FCALL call #t~mem6 := read~int({ base: #t~mem5!base, offset: #t~mem5!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L48] COND TRUE 0 == #t~mem6 [L48] havoc #t~mem5; [L48] havoc #t~mem6; [L48] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L8] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L17] ~i~0 := 1; [L37] havoc ~l~0; [L37] FCALL call ~#m~0 := #Ultimate.alloc(8); [L38] ~l~0 := ~#m~0; [L39] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~l~0!base, offset: 4 + ~l~0!offset }, 4); [L40] FCALL call write~int(0, { base: ~l~0!base, offset: ~l~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L42] CALL call #t~ret2 := append(~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L20] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L20] #res := #t~malloc0; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L42] RET call #t~ret2 := append(~l~0, 1); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L42] ~l~0 := #t~ret2; [L42] havoc #t~ret2; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L43] CALL call #t~ret3 := append(~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L23-L33] ~l := #in~l; [L23-L33] ~n := #in~n; [L25] havoc ~new_el~0; [L20] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L20] #res := #t~malloc0; [L27] ~new_el~0 := #t~ret1; [L27] havoc #t~ret1; [L29] FCALL call write~int(~n, { base: ~new_el~0!base, offset: ~new_el~0!offset }, 4); [L30] FCALL call write~$Pointer$(~l, { base: ~new_el~0!base, offset: 4 + ~new_el~0!offset }, 4); [L32] #res := ~new_el~0; [L43] RET call #t~ret3 := append(~l~0, 2); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L43] ~l~0 := #t~ret3; [L43] havoc #t~ret3; [L48] FCALL call #t~mem4 := read~$Pointer$({ base: ~l~0!base, offset: 4 + ~l~0!offset }, 4); [L48] FCALL call #t~mem5 := read~$Pointer$({ base: #t~mem4!base, offset: 4 + #t~mem4!offset }, 4); [L48] FCALL call #t~mem6 := read~int({ base: #t~mem5!base, offset: #t~mem5!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L48] COND TRUE 0 == #t~mem6 [L48] havoc #t~mem5; [L48] havoc #t~mem6; [L48] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L8] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~i~0=1] [L17] int i = 1; [L37] struct list *l,m; [L38] l = &m [L39] l->next = 0 [L40] l->n = 0 VAL [i=1] [L42] CALL, EXPR append(l, 1) VAL [i=1] [L25] struct list *new_el; [L20] return malloc(8U); [L27] new_el = allocate_memory() [L29] new_el->n = n [L30] new_el->next = l [L32] return new_el; [L42] RET, EXPR append(l, 1) VAL [i=1] [L42] l = append(l, 1) [L43] CALL, EXPR append(l, 2) VAL [i=1] [L25] struct list *new_el; [L20] return malloc(8U); [L27] new_el = allocate_memory() [L29] new_el->n = n [L30] new_el->next = l [L32] return new_el; [L43] RET, EXPR append(l, 2) VAL [i=1] [L43] l = append(l, 2) [L48] EXPR l->next [L48] EXPR l->next->next [L48] EXPR l->next->next->n VAL [i=1] [L48] COND TRUE l->next->next->n == 0 [L8] __VERIFIER_error() VAL [i=1] ----- [2018-11-22 21:54:13,526 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c05f809-ce9b-4f1b-9feb-4733f7906879/bin-2019/ukojak/witness.graphml [2018-11-22 21:54:13,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:54:13,526 INFO L168 Benchmark]: Toolchain (without parser) took 815.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -118.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:54:13,527 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:54:13,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.47 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:54:13,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:54:13,528 INFO L168 Benchmark]: Boogie Preprocessor took 13.83 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 942.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:54:13,528 INFO L168 Benchmark]: RCFGBuilder took 268.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:54:13,528 INFO L168 Benchmark]: CodeCheck took 296.71 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:54:13,529 INFO L168 Benchmark]: Witness Printer took 41.03 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. [2018-11-22 21:54:13,531 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int i = 1; [L37] struct list *l,m; [L38] l = &m [L39] l->next = 0 [L40] l->n = 0 VAL [i=1] [L42] CALL, EXPR append(l, 1) VAL [i=1] [L25] struct list *new_el; [L20] return malloc(8U); [L27] new_el = allocate_memory() [L29] new_el->n = n [L30] new_el->next = l [L32] return new_el; [L42] RET, EXPR append(l, 1) VAL [i=1] [L42] l = append(l, 1) [L43] CALL, EXPR append(l, 2) VAL [i=1] [L25] struct list *new_el; [L20] return malloc(8U); [L27] new_el = allocate_memory() [L29] new_el->n = n [L30] new_el->next = l [L32] return new_el; [L43] RET, EXPR append(l, 2) VAL [i=1] [L43] l = append(l, 2) [L48] EXPR l->next [L48] EXPR l->next->next [L48] EXPR l->next->next->n VAL [i=1] [L48] COND TRUE l->next->next->n == 0 [L8] __VERIFIER_error() VAL [i=1] * 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.47 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.83 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 942.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 268.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 296.71 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Witness Printer took 41.03 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. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...