./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-sorted_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_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-sorted_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/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 3d1a973dcd7009ffcd2eda1338249f4d290fb62a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:12:22,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:12:22,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:12:22,849 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:12:22,849 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:12:22,849 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:12:22,850 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:12:22,851 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:12:22,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:12:22,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:12:22,853 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:12:22,854 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:12:22,854 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:12:22,855 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:12:22,856 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:12:22,856 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:12:22,857 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:12:22,858 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:12:22,859 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:12:22,860 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:12:22,861 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:12:22,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:12:22,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:12:22,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:12:22,864 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:12:22,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:12:22,865 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:12:22,866 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:12:22,866 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:12:22,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:12:22,867 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:12:22,868 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:12:22,868 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:12:22,868 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:12:22,869 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:12:22,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:12:22,869 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:12:22,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:12:22,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:12:22,880 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:12:22,880 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:12:22,880 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:12:22,881 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:12:22,881 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:12:22,881 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:12:22,881 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:12:22,881 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:12:22,881 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:12:22,881 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:12:22,882 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:12:22,882 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:12:22,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:12:22,882 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:12:22,883 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:12:22,883 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:12:22,883 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:12:22,883 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:12:22,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:12:22,883 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_45a86bbb-2926-4b15-8d02-60f40c9b6acd/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 -> 3d1a973dcd7009ffcd2eda1338249f4d290fb62a [2018-11-22 23:12:22,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:12:22,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:12:22,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:12:22,917 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:12:22,917 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:12:22,917 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-sorted_false-unreach-call_false-valid-memcleanup.i [2018-11-22 23:12:22,953 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/data/a48c9984e/48bfe7f720c34d588e9ad4dff24eaba8/FLAG87369c1f3 [2018-11-22 23:12:23,397 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:12:23,398 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/sv-benchmarks/c/forester-heap/dll-sorted_false-unreach-call_false-valid-memcleanup.i [2018-11-22 23:12:23,404 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/data/a48c9984e/48bfe7f720c34d588e9ad4dff24eaba8/FLAG87369c1f3 [2018-11-22 23:12:23,413 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/data/a48c9984e/48bfe7f720c34d588e9ad4dff24eaba8 [2018-11-22 23:12:23,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:12:23,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:12:23,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:12:23,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:12:23,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:12:23,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7befe0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23, skipping insertion in model container [2018-11-22 23:12:23,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:12:23,463 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:12:23,668 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:12:23,674 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:12:23,744 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:12:23,775 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:12:23,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23 WrapperNode [2018-11-22 23:12:23,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:12:23,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:12:23,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:12:23,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:12:23,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:12:23,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:12:23,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:12:23,806 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:12:23,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... [2018-11-22 23:12:23,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:12:23,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:12:23,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:12:23,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:12:23,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/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 23:12:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:12:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 23:12:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 23:12:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 23:12:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 23:12:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 23:12:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:12:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:12:24,366 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:12:24,366 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-11-22 23:12:24,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:24 BoogieIcfgContainer [2018-11-22 23:12:24,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:12:24,367 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:12:24,367 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:12:24,375 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:12:24,375 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:24" (1/1) ... [2018-11-22 23:12:24,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:12:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2018-11-22 23:12:24,403 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2018-11-22 23:12:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 23:12:24,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2018-11-22 23:12:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2018-11-22 23:12:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-22 23:12:24,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:12:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2018-11-22 23:12:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2018-11-22 23:12:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-22 23:12:24,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:12:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-11-22 23:12:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-11-22 23:12:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:12:24,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:12:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:12:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:12:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-11-22 23:12:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-11-22 23:12:24,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:12:24,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:12:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:12:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:12:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:12:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:12:25,071 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet5, main_#t~nondet1, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8, main_#t~short9, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15, main_#t~mem11.base, main_#t~mem11.offset, main_#t~nondet12, main_#t~short13, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~mem23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27.base, main_#t~mem27.offset, main_#t~mem28.base, main_#t~mem28.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~marked~0, main_~tmp~0.base, main_~tmp~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12);main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4);call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4);call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset;main_~marked~0 := 0; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1 || 0 == main_~marked~0);havoc main_#t~nondet1;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4);havoc main_#t~mem3.base, main_#t~mem3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset;call write~$Pointer$(0, 0, main_~x~0.base, main_~x~0.offset, 4);assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647;BeginParallelComposition{ParallelCodeBlock0: assume 0 != main_#t~nondet5;havoc main_#t~nondet5;main_~marked~0 := 1;ParallelCodeBlock1: assume !(0 != main_#t~nondet5);havoc main_#t~nondet5;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume 0 != main_~marked~0;call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4);ParallelCodeBlock1: assume !(0 != main_~marked~0);call write~int(0, main_~x~0.base, 8 + main_~x~0.offset, 4);}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1 || 0 == main_~marked~0);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] main_~marked~0 := 0; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem6.base != 0 || main_#t~mem6.offset != 0;BeginParallelComposition{ParallelCodeBlock0: assume main_#t~short9;call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem8 := read~int(main_#t~mem7.base, 8 + main_#t~mem7.offset, 4);main_#t~short9 := 0 == main_#t~mem8;ParallelCodeBlock1: assume !main_#t~short9;}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem6.base|=10, |ULTIMATE.start_main_#t~mem6.offset|=0, |ULTIMATE.start_main_#t~mem7.base|=10, |ULTIMATE.start_main_#t~mem7.offset|=0, |ULTIMATE.start_main_#t~mem8|=1, |ULTIMATE.start_main_#t~short9|=false] [?] assume !main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7.base, main_#t~mem7.offset;havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_#t~short13 := main_#t~mem11.base != 0 || main_#t~mem11.offset != 0;BeginParallelComposition{ParallelCodeBlock0: assume main_#t~short13;assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647;main_#t~short13 := 0 != main_#t~nondet12;ParallelCodeBlock1: assume !main_#t~short13;}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem11.base|=10, |ULTIMATE.start_main_#t~mem11.offset|=0, |ULTIMATE.start_main_#t~nondet12|=1, |ULTIMATE.start_main_#t~short13|=true] [?] assume !!main_#t~short13;havoc main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~nondet12;havoc main_#t~short13;call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_#t~mem14.base, main_#t~mem14.offset;havoc main_#t~mem14.base, main_#t~mem14.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem15 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem15|=1] [?] assume !(1 != main_#t~mem15);havoc main_#t~mem15; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet5, main_#t~nondet1, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8, main_#t~short9, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15, main_#t~mem11.base, main_#t~mem11.offset, main_#t~nondet12, main_#t~short13, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~mem23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27.base, main_#t~mem27.offset, main_#t~mem28.base, main_#t~mem28.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~marked~0, main_~tmp~0.base, main_~tmp~0.offset; [L986] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L986] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L987] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L989] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L991] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; [L992] main_~marked~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L995-L1012] assume !!(0 != main_#t~nondet1 || 0 == main_~marked~0); [L995] havoc main_#t~nondet1; [L998] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L998] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~x~0.base, main_~x~0.offset, 4); [L999] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L999] call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L999] havoc main_#t~mem3.base, main_#t~mem3.offset; [L1000] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1000] main_~x~0.base, main_~x~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L1000] havoc main_#t~mem4.base, main_#t~mem4.offset; [L1001] call write~$Pointer$(0, 0, main_~x~0.base, main_~x~0.offset, 4); [L1003] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L1003-L1006] assume 0 != main_#t~nondet5; [L1003] havoc main_#t~nondet5; [L1005] main_~marked~0 := 1; [L1008-L1011] assume 0 != main_~marked~0; [L1009] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L995-L1012] assume !(0 != main_#t~nondet1 || 0 == main_~marked~0); [L995] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L1014] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=3, main_~x~0.offset=0] [L1016] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=3, main_~x~0.offset=0] [L1017] main_~marked~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1019] main_#t~short9 := main_#t~mem6.base != 0 || main_#t~mem6.offset != 0; [L1019] assume main_#t~short9; [L1019] call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1019] call main_#t~mem8 := read~int(main_#t~mem7.base, 8 + main_#t~mem7.offset, 4); [L1019] main_#t~short9 := 0 == main_#t~mem8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem6.base=10, main_#t~mem6.offset=0, main_#t~mem7.base=10, main_#t~mem7.offset=0, main_#t~mem8=1, main_#t~short9=false, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019-L1022] assume !main_#t~short9; [L1019] havoc main_#t~short9; [L1019] havoc main_#t~mem8; [L1019] havoc main_#t~mem7.base, main_#t~mem7.offset; [L1019] havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1024] main_#t~short13 := main_#t~mem11.base != 0 || main_#t~mem11.offset != 0; [L1024] assume main_#t~short13; [L1024] assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647; [L1024] main_#t~short13 := 0 != main_#t~nondet12; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem11.base=10, main_#t~mem11.offset=0, main_#t~nondet12=1, main_#t~short13=true, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024-L1028] assume !!main_#t~short13; [L1024] havoc main_#t~mem11.base, main_#t~mem11.offset; [L1024] havoc main_#t~nondet12; [L1024] havoc main_#t~short13; [L1026] call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1026] main_~x~0.base, main_~x~0.offset := main_#t~mem14.base, main_#t~mem14.offset; [L1026] havoc main_#t~mem14.base, main_#t~mem14.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] call main_#t~mem15 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem15=1, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] assume !(1 != main_#t~mem15); [L1027] havoc main_#t~mem15; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet5, main_#t~nondet1, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8, main_#t~short9, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15, main_#t~mem11.base, main_#t~mem11.offset, main_#t~nondet12, main_#t~short13, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~mem23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27.base, main_#t~mem27.offset, main_#t~mem28.base, main_#t~mem28.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~marked~0, main_~tmp~0.base, main_~tmp~0.offset; [L986] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L986] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L987] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L989] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L991] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; [L992] main_~marked~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L995-L1012] assume !!(0 != main_#t~nondet1 || 0 == main_~marked~0); [L995] havoc main_#t~nondet1; [L998] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L998] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~x~0.base, main_~x~0.offset, 4); [L999] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L999] call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L999] havoc main_#t~mem3.base, main_#t~mem3.offset; [L1000] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1000] main_~x~0.base, main_~x~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L1000] havoc main_#t~mem4.base, main_#t~mem4.offset; [L1001] call write~$Pointer$(0, 0, main_~x~0.base, main_~x~0.offset, 4); [L1003] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L1003-L1006] assume 0 != main_#t~nondet5; [L1003] havoc main_#t~nondet5; [L1005] main_~marked~0 := 1; [L1008-L1011] assume 0 != main_~marked~0; [L1009] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L995-L1012] assume !(0 != main_#t~nondet1 || 0 == main_~marked~0); [L995] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L1014] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=3, main_~x~0.offset=0] [L1016] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=3, main_~x~0.offset=0] [L1017] main_~marked~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1019] main_#t~short9 := main_#t~mem6.base != 0 || main_#t~mem6.offset != 0; [L1019] assume main_#t~short9; [L1019] call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1019] call main_#t~mem8 := read~int(main_#t~mem7.base, 8 + main_#t~mem7.offset, 4); [L1019] main_#t~short9 := 0 == main_#t~mem8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem6.base=10, main_#t~mem6.offset=0, main_#t~mem7.base=10, main_#t~mem7.offset=0, main_#t~mem8=1, main_#t~short9=false, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019-L1022] assume !main_#t~short9; [L1019] havoc main_#t~short9; [L1019] havoc main_#t~mem8; [L1019] havoc main_#t~mem7.base, main_#t~mem7.offset; [L1019] havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1024] main_#t~short13 := main_#t~mem11.base != 0 || main_#t~mem11.offset != 0; [L1024] assume main_#t~short13; [L1024] assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647; [L1024] main_#t~short13 := 0 != main_#t~nondet12; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem11.base=10, main_#t~mem11.offset=0, main_#t~nondet12=1, main_#t~short13=true, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024-L1028] assume !!main_#t~short13; [L1024] havoc main_#t~mem11.base, main_#t~mem11.offset; [L1024] havoc main_#t~nondet12; [L1024] havoc main_#t~short13; [L1026] call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1026] main_~x~0.base, main_~x~0.offset := main_#t~mem14.base, main_#t~mem14.offset; [L1026] havoc main_#t~mem14.base, main_#t~mem14.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] call main_#t~mem15 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem15=1, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] assume !(1 != main_#t~mem15); [L1027] havoc main_#t~mem15; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet5, main_#t~nondet1, main_#t~mem10, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~short9, main_#t~mem14, main_#t~mem15, main_#t~mem11, main_#t~nondet12, main_#t~short13, main_#t~malloc16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27, main_#t~mem28, main_~head~0, main_~x~0, main_~marked~0, main_~tmp~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L991] main_~x~0 := main_~head~0; [L992] main_~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L995-L1012] COND FALSE !(!(0 != main_#t~nondet1 || 0 == main_~marked~0)) [L995] havoc main_#t~nondet1; [L998] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L998] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L999] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L999] FCALL call write~$Pointer$(main_~x~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L999] havoc main_#t~mem3; [L1000] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1000] main_~x~0 := main_#t~mem4; [L1000] havoc main_#t~mem4; [L1001] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1003] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L1003-L1006] COND TRUE 0 != main_#t~nondet5 [L1003] havoc main_#t~nondet5; [L1005] main_~marked~0 := 1; [L1008-L1011] COND TRUE 0 != main_~marked~0 [L1009] FCALL call write~int(1, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L995-L1012] COND TRUE !(0 != main_#t~nondet1 || 0 == main_~marked~0) [L995] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L1014] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=3, main_~x~0!offset=0] [L1016] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=3, main_~x~0!offset=0] [L1017] main_~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1019] main_#t~short9 := main_#t~mem6 != { base: 0, offset: 0 }; [L1019] COND TRUE main_#t~short9 [L1019] FCALL call main_#t~mem7 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1019] FCALL call main_#t~mem8 := read~int({ base: main_#t~mem7!base, offset: 8 + main_#t~mem7!offset }, 4); [L1019] main_#t~short9 := 0 == main_#t~mem8; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem6!base=10, main_#t~mem6!offset=0, main_#t~mem7!base=10, main_#t~mem7!offset=0, main_#t~mem8=1, main_#t~short9=false, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019-L1022] COND TRUE !main_#t~short9 [L1019] havoc main_#t~short9; [L1019] havoc main_#t~mem8; [L1019] havoc main_#t~mem7; [L1019] havoc main_#t~mem6; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] FCALL call main_#t~mem11 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1024] main_#t~short13 := main_#t~mem11 != { base: 0, offset: 0 }; [L1024] COND TRUE main_#t~short13 [L1024] assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647; [L1024] main_#t~short13 := 0 != main_#t~nondet12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem11!base=10, main_#t~mem11!offset=0, main_#t~nondet12=1, main_#t~short13=true, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024-L1028] COND FALSE !(!main_#t~short13) [L1024] havoc main_#t~mem11; [L1024] havoc main_#t~nondet12; [L1024] havoc main_#t~short13; [L1026] FCALL call main_#t~mem14 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1026] main_~x~0 := main_#t~mem14; [L1026] havoc main_#t~mem14; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] FCALL call main_#t~mem15 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem15=1, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] COND TRUE !(1 != main_#t~mem15) [L1027] havoc main_#t~mem15; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet5, main_#t~nondet1, main_#t~mem10, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~short9, main_#t~mem14, main_#t~mem15, main_#t~mem11, main_#t~nondet12, main_#t~short13, main_#t~malloc16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27, main_#t~mem28, main_~head~0, main_~x~0, main_~marked~0, main_~tmp~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L991] main_~x~0 := main_~head~0; [L992] main_~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L995-L1012] COND FALSE !(!(0 != main_#t~nondet1 || 0 == main_~marked~0)) [L995] havoc main_#t~nondet1; [L998] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L998] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L999] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L999] FCALL call write~$Pointer$(main_~x~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L999] havoc main_#t~mem3; [L1000] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1000] main_~x~0 := main_#t~mem4; [L1000] havoc main_#t~mem4; [L1001] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1003] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L1003-L1006] COND TRUE 0 != main_#t~nondet5 [L1003] havoc main_#t~nondet5; [L1005] main_~marked~0 := 1; [L1008-L1011] COND TRUE 0 != main_~marked~0 [L1009] FCALL call write~int(1, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L995-L1012] COND TRUE !(0 != main_#t~nondet1 || 0 == main_~marked~0) [L995] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L1014] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=3, main_~x~0!offset=0] [L1016] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=3, main_~x~0!offset=0] [L1017] main_~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1019] main_#t~short9 := main_#t~mem6 != { base: 0, offset: 0 }; [L1019] COND TRUE main_#t~short9 [L1019] FCALL call main_#t~mem7 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1019] FCALL call main_#t~mem8 := read~int({ base: main_#t~mem7!base, offset: 8 + main_#t~mem7!offset }, 4); [L1019] main_#t~short9 := 0 == main_#t~mem8; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem6!base=10, main_#t~mem6!offset=0, main_#t~mem7!base=10, main_#t~mem7!offset=0, main_#t~mem8=1, main_#t~short9=false, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019-L1022] COND TRUE !main_#t~short9 [L1019] havoc main_#t~short9; [L1019] havoc main_#t~mem8; [L1019] havoc main_#t~mem7; [L1019] havoc main_#t~mem6; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] FCALL call main_#t~mem11 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1024] main_#t~short13 := main_#t~mem11 != { base: 0, offset: 0 }; [L1024] COND TRUE main_#t~short13 [L1024] assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647; [L1024] main_#t~short13 := 0 != main_#t~nondet12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem11!base=10, main_#t~mem11!offset=0, main_#t~nondet12=1, main_#t~short13=true, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024-L1028] COND FALSE !(!main_#t~short13) [L1024] havoc main_#t~mem11; [L1024] havoc main_#t~nondet12; [L1024] havoc main_#t~short13; [L1026] FCALL call main_#t~mem14 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1026] main_~x~0 := main_#t~mem14; [L1026] havoc main_#t~mem14; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] FCALL call main_#t~mem15 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem15=1, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] COND TRUE !(1 != main_#t~mem15) [L1027] havoc main_#t~mem15; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L986] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L986] ~head~0 := #t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L991] ~x~0 := ~head~0; [L992] ~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L995] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L995-L1012] COND FALSE !(!(0 != #t~nondet1 || 0 == ~marked~0)) [L995] havoc #t~nondet1; [L998] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L998] FCALL call write~$Pointer$(#t~malloc2, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L999] FCALL call #t~mem3 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L999] FCALL call write~$Pointer$(~x~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L999] havoc #t~mem3; [L1000] FCALL call #t~mem4 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1000] ~x~0 := #t~mem4; [L1000] havoc #t~mem4; [L1001] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1003] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; [L1003-L1006] COND TRUE 0 != #t~nondet5 [L1003] havoc #t~nondet5; [L1005] ~marked~0 := 1; [L1008-L1011] COND TRUE 0 != ~marked~0 [L1009] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L995] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L995-L1012] COND TRUE !(0 != #t~nondet1 || 0 == ~marked~0) [L995] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1014] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1017] ~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L1019] FCALL call #t~mem6 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1019] #t~short9 := #t~mem6 != { base: 0, offset: 0 }; [L1019] COND TRUE #t~short9 [L1019] FCALL call #t~mem7 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1019] FCALL call #t~mem8 := read~int({ base: #t~mem7!base, offset: 8 + #t~mem7!offset }, 4); [L1019] #t~short9 := 0 == #t~mem8; VAL [#NULL!base=0, #NULL!offset=0] [L1019-L1022] COND TRUE !#t~short9 [L1019] havoc #t~short9; [L1019] havoc #t~mem8; [L1019] havoc #t~mem7; [L1019] havoc #t~mem6; VAL [#NULL!base=0, #NULL!offset=0] [L1024] FCALL call #t~mem11 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1024] #t~short13 := #t~mem11 != { base: 0, offset: 0 }; [L1024] COND TRUE #t~short13 [L1024] assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647; [L1024] #t~short13 := 0 != #t~nondet12; VAL [#NULL!base=0, #NULL!offset=0] [L1024-L1028] COND FALSE !(!#t~short13) [L1024] havoc #t~mem11; [L1024] havoc #t~nondet12; [L1024] havoc #t~short13; [L1026] FCALL call #t~mem14 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1026] ~x~0 := #t~mem14; [L1026] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0] [L1027] FCALL call #t~mem15 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1027] COND TRUE !(1 != #t~mem15) [L1027] havoc #t~mem15; VAL [#NULL!base=0, #NULL!offset=0] [L1027] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L986] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L986] ~head~0 := #t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L991] ~x~0 := ~head~0; [L992] ~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L995] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L995-L1012] COND FALSE !(!(0 != #t~nondet1 || 0 == ~marked~0)) [L995] havoc #t~nondet1; [L998] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L998] FCALL call write~$Pointer$(#t~malloc2, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L999] FCALL call #t~mem3 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L999] FCALL call write~$Pointer$(~x~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L999] havoc #t~mem3; [L1000] FCALL call #t~mem4 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1000] ~x~0 := #t~mem4; [L1000] havoc #t~mem4; [L1001] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1003] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; [L1003-L1006] COND TRUE 0 != #t~nondet5 [L1003] havoc #t~nondet5; [L1005] ~marked~0 := 1; [L1008-L1011] COND TRUE 0 != ~marked~0 [L1009] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L995] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L995-L1012] COND TRUE !(0 != #t~nondet1 || 0 == ~marked~0) [L995] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1014] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1017] ~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L1019] FCALL call #t~mem6 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1019] #t~short9 := #t~mem6 != { base: 0, offset: 0 }; [L1019] COND TRUE #t~short9 [L1019] FCALL call #t~mem7 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1019] FCALL call #t~mem8 := read~int({ base: #t~mem7!base, offset: 8 + #t~mem7!offset }, 4); [L1019] #t~short9 := 0 == #t~mem8; VAL [#NULL!base=0, #NULL!offset=0] [L1019-L1022] COND TRUE !#t~short9 [L1019] havoc #t~short9; [L1019] havoc #t~mem8; [L1019] havoc #t~mem7; [L1019] havoc #t~mem6; VAL [#NULL!base=0, #NULL!offset=0] [L1024] FCALL call #t~mem11 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1024] #t~short13 := #t~mem11 != { base: 0, offset: 0 }; [L1024] COND TRUE #t~short13 [L1024] assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647; [L1024] #t~short13 := 0 != #t~nondet12; VAL [#NULL!base=0, #NULL!offset=0] [L1024-L1028] COND FALSE !(!#t~short13) [L1024] havoc #t~mem11; [L1024] havoc #t~nondet12; [L1024] havoc #t~short13; [L1026] FCALL call #t~mem14 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1026] ~x~0 := #t~mem14; [L1026] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0] [L1027] FCALL call #t~mem15 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1027] COND TRUE !(1 != #t~mem15) [L1027] havoc #t~mem15; VAL [#NULL!base=0, #NULL!offset=0] [L1027] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = ((void*)0) [L988] head->prev = ((void*)0) [L989] head->data = 0 [L991] SLL* x = head; [L992] int marked = 0; [L995] COND TRUE __VERIFIER_nondet_int() || !marked [L998] x->next = malloc(sizeof(SLL)) [L999] EXPR x->next [L999] x->next->prev = x [L1000] EXPR x->next [L1000] x = x->next [L1001] x->next = ((void*)0) [L1003] COND TRUE __VERIFIER_nondet_int() [L1005] marked = 1 [L1008] COND TRUE \read(marked) [L1009] x->data = 1 [L995] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1014] x = head [L1016] COND FALSE !(!(((void*)0) != x)) [L1017] marked = 0 [L1019] EXPR x->next [L1019] x->next != ((void*)0) && x->next->data == 0 [L1019] EXPR x->next [L1019] EXPR x->next->data [L1019] x->next != ((void*)0) && x->next->data == 0 [L1019] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1024] EXPR x->next [L1024] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1024] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1024] COND TRUE x->next != ((void*)0) && __VERIFIER_nondet_int() [L1026] EXPR x->next [L1026] x = x->next [L1027] EXPR x->data [L1027] COND TRUE !(x->data != 1) [L1027] __VERIFIER_error() ----- [2018-11-22 23:12:25,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:12:25 ImpRootNode [2018-11-22 23:12:25,119 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:12:25,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:12:25,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:12:25,120 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:12:25,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:24" (3/4) ... [2018-11-22 23:12:25,122 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];havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet5, main_#t~nondet1, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8, main_#t~short9, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15, main_#t~mem11.base, main_#t~mem11.offset, main_#t~nondet12, main_#t~short13, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~mem23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27.base, main_#t~mem27.offset, main_#t~mem28.base, main_#t~mem28.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~marked~0, main_~tmp~0.base, main_~tmp~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12);main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4);call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4);call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset;main_~marked~0 := 0; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1 || 0 == main_~marked~0);havoc main_#t~nondet1;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4);havoc main_#t~mem3.base, main_#t~mem3.offset;call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset;call write~$Pointer$(0, 0, main_~x~0.base, main_~x~0.offset, 4);assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647;BeginParallelComposition{ParallelCodeBlock0: assume 0 != main_#t~nondet5;havoc main_#t~nondet5;main_~marked~0 := 1;ParallelCodeBlock1: assume !(0 != main_#t~nondet5);havoc main_#t~nondet5;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume 0 != main_~marked~0;call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4);ParallelCodeBlock1: assume !(0 != main_~marked~0);call write~int(0, main_~x~0.base, 8 + main_~x~0.offset, 4);}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1 || 0 == main_~marked~0);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=1, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] main_~marked~0 := 0; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem6.base != 0 || main_#t~mem6.offset != 0;BeginParallelComposition{ParallelCodeBlock0: assume main_#t~short9;call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem8 := read~int(main_#t~mem7.base, 8 + main_#t~mem7.offset, 4);main_#t~short9 := 0 == main_#t~mem8;ParallelCodeBlock1: assume !main_#t~short9;}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem6.base|=10, |ULTIMATE.start_main_#t~mem6.offset|=0, |ULTIMATE.start_main_#t~mem7.base|=10, |ULTIMATE.start_main_#t~mem7.offset|=0, |ULTIMATE.start_main_#t~mem8|=1, |ULTIMATE.start_main_#t~short9|=false] [?] assume !main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7.base, main_#t~mem7.offset;havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_#t~short13 := main_#t~mem11.base != 0 || main_#t~mem11.offset != 0;BeginParallelComposition{ParallelCodeBlock0: assume main_#t~short13;assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647;main_#t~short13 := 0 != main_#t~nondet12;ParallelCodeBlock1: assume !main_#t~short13;}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem11.base|=10, |ULTIMATE.start_main_#t~mem11.offset|=0, |ULTIMATE.start_main_#t~nondet12|=1, |ULTIMATE.start_main_#t~short13|=true] [?] assume !!main_#t~short13;havoc main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~nondet12;havoc main_#t~short13;call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_#t~mem14.base, main_#t~mem14.offset;havoc main_#t~mem14.base, main_#t~mem14.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem15 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem15|=1] [?] assume !(1 != main_#t~mem15);havoc main_#t~mem15; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~marked~0=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=10, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet5, main_#t~nondet1, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8, main_#t~short9, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15, main_#t~mem11.base, main_#t~mem11.offset, main_#t~nondet12, main_#t~short13, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~mem23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27.base, main_#t~mem27.offset, main_#t~mem28.base, main_#t~mem28.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~marked~0, main_~tmp~0.base, main_~tmp~0.offset; [L986] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L986] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L987] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L989] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L991] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; [L992] main_~marked~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L995-L1012] assume !!(0 != main_#t~nondet1 || 0 == main_~marked~0); [L995] havoc main_#t~nondet1; [L998] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L998] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~x~0.base, main_~x~0.offset, 4); [L999] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L999] call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L999] havoc main_#t~mem3.base, main_#t~mem3.offset; [L1000] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1000] main_~x~0.base, main_~x~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L1000] havoc main_#t~mem4.base, main_#t~mem4.offset; [L1001] call write~$Pointer$(0, 0, main_~x~0.base, main_~x~0.offset, 4); [L1003] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L1003-L1006] assume 0 != main_#t~nondet5; [L1003] havoc main_#t~nondet5; [L1005] main_~marked~0 := 1; [L1008-L1011] assume 0 != main_~marked~0; [L1009] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L995-L1012] assume !(0 != main_#t~nondet1 || 0 == main_~marked~0); [L995] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L1014] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=3, main_~x~0.offset=0] [L1016] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=3, main_~x~0.offset=0] [L1017] main_~marked~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1019] main_#t~short9 := main_#t~mem6.base != 0 || main_#t~mem6.offset != 0; [L1019] assume main_#t~short9; [L1019] call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1019] call main_#t~mem8 := read~int(main_#t~mem7.base, 8 + main_#t~mem7.offset, 4); [L1019] main_#t~short9 := 0 == main_#t~mem8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem6.base=10, main_#t~mem6.offset=0, main_#t~mem7.base=10, main_#t~mem7.offset=0, main_#t~mem8=1, main_#t~short9=false, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019-L1022] assume !main_#t~short9; [L1019] havoc main_#t~short9; [L1019] havoc main_#t~mem8; [L1019] havoc main_#t~mem7.base, main_#t~mem7.offset; [L1019] havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1024] main_#t~short13 := main_#t~mem11.base != 0 || main_#t~mem11.offset != 0; [L1024] assume main_#t~short13; [L1024] assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647; [L1024] main_#t~short13 := 0 != main_#t~nondet12; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem11.base=10, main_#t~mem11.offset=0, main_#t~nondet12=1, main_#t~short13=true, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024-L1028] assume !!main_#t~short13; [L1024] havoc main_#t~mem11.base, main_#t~mem11.offset; [L1024] havoc main_#t~nondet12; [L1024] havoc main_#t~short13; [L1026] call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1026] main_~x~0.base, main_~x~0.offset := main_#t~mem14.base, main_#t~mem14.offset; [L1026] havoc main_#t~mem14.base, main_#t~mem14.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] call main_#t~mem15 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem15=1, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] assume !(1 != main_#t~mem15); [L1027] havoc main_#t~mem15; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet5, main_#t~nondet1, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem8, main_#t~short9, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15, main_#t~mem11.base, main_#t~mem11.offset, main_#t~nondet12, main_#t~short13, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~mem22, main_#t~mem23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27.base, main_#t~mem27.offset, main_#t~mem28.base, main_#t~mem28.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~marked~0, main_~tmp~0.base, main_~tmp~0.offset; [L986] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L986] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L987] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L989] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L991] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; [L992] main_~marked~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L995-L1012] assume !!(0 != main_#t~nondet1 || 0 == main_~marked~0); [L995] havoc main_#t~nondet1; [L998] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(12); [L998] call write~$Pointer$(main_#t~malloc2.base, main_#t~malloc2.offset, main_~x~0.base, main_~x~0.offset, 4); [L999] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L999] call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem3.base, 4 + main_#t~mem3.offset, 4); [L999] havoc main_#t~mem3.base, main_#t~mem3.offset; [L1000] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1000] main_~x~0.base, main_~x~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L1000] havoc main_#t~mem4.base, main_#t~mem4.offset; [L1001] call write~$Pointer$(0, 0, main_~x~0.base, main_~x~0.offset, 4); [L1003] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L1003-L1006] assume 0 != main_#t~nondet5; [L1003] havoc main_#t~nondet5; [L1005] main_~marked~0 := 1; [L1008-L1011] assume 0 != main_~marked~0; [L1009] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L995-L1012] assume !(0 != main_#t~nondet1 || 0 == main_~marked~0); [L995] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=10, main_~x~0.offset=0] [L1014] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=3, main_~x~0.offset=0] [L1016] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=1, main_~x~0.base=3, main_~x~0.offset=0] [L1017] main_~marked~0 := 0; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1019] main_#t~short9 := main_#t~mem6.base != 0 || main_#t~mem6.offset != 0; [L1019] assume main_#t~short9; [L1019] call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1019] call main_#t~mem8 := read~int(main_#t~mem7.base, 8 + main_#t~mem7.offset, 4); [L1019] main_#t~short9 := 0 == main_#t~mem8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem6.base=10, main_#t~mem6.offset=0, main_#t~mem7.base=10, main_#t~mem7.offset=0, main_#t~mem8=1, main_#t~short9=false, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019-L1022] assume !main_#t~short9; [L1019] havoc main_#t~short9; [L1019] havoc main_#t~mem8; [L1019] havoc main_#t~mem7.base, main_#t~mem7.offset; [L1019] havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1024] main_#t~short13 := main_#t~mem11.base != 0 || main_#t~mem11.offset != 0; [L1024] assume main_#t~short13; [L1024] assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647; [L1024] main_#t~short13 := 0 != main_#t~nondet12; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem11.base=10, main_#t~mem11.offset=0, main_#t~nondet12=1, main_#t~short13=true, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024-L1028] assume !!main_#t~short13; [L1024] havoc main_#t~mem11.base, main_#t~mem11.offset; [L1024] havoc main_#t~nondet12; [L1024] havoc main_#t~short13; [L1026] call main_#t~mem14.base, main_#t~mem14.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1026] main_~x~0.base, main_~x~0.offset := main_#t~mem14.base, main_#t~mem14.offset; [L1026] havoc main_#t~mem14.base, main_#t~mem14.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] call main_#t~mem15 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_#t~mem15=1, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] assume !(1 != main_#t~mem15); [L1027] havoc main_#t~mem15; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [L1027] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc2.base=10, main_#t~malloc2.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~marked~0=0, main_~x~0.base=10, main_~x~0.offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet5, main_#t~nondet1, main_#t~mem10, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~short9, main_#t~mem14, main_#t~mem15, main_#t~mem11, main_#t~nondet12, main_#t~short13, main_#t~malloc16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27, main_#t~mem28, main_~head~0, main_~x~0, main_~marked~0, main_~tmp~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L991] main_~x~0 := main_~head~0; [L992] main_~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L995-L1012] COND FALSE !(!(0 != main_#t~nondet1 || 0 == main_~marked~0)) [L995] havoc main_#t~nondet1; [L998] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L998] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L999] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L999] FCALL call write~$Pointer$(main_~x~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L999] havoc main_#t~mem3; [L1000] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1000] main_~x~0 := main_#t~mem4; [L1000] havoc main_#t~mem4; [L1001] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1003] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L1003-L1006] COND TRUE 0 != main_#t~nondet5 [L1003] havoc main_#t~nondet5; [L1005] main_~marked~0 := 1; [L1008-L1011] COND TRUE 0 != main_~marked~0 [L1009] FCALL call write~int(1, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L995-L1012] COND TRUE !(0 != main_#t~nondet1 || 0 == main_~marked~0) [L995] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L1014] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=3, main_~x~0!offset=0] [L1016] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=3, main_~x~0!offset=0] [L1017] main_~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1019] main_#t~short9 := main_#t~mem6 != { base: 0, offset: 0 }; [L1019] COND TRUE main_#t~short9 [L1019] FCALL call main_#t~mem7 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1019] FCALL call main_#t~mem8 := read~int({ base: main_#t~mem7!base, offset: 8 + main_#t~mem7!offset }, 4); [L1019] main_#t~short9 := 0 == main_#t~mem8; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem6!base=10, main_#t~mem6!offset=0, main_#t~mem7!base=10, main_#t~mem7!offset=0, main_#t~mem8=1, main_#t~short9=false, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019-L1022] COND TRUE !main_#t~short9 [L1019] havoc main_#t~short9; [L1019] havoc main_#t~mem8; [L1019] havoc main_#t~mem7; [L1019] havoc main_#t~mem6; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] FCALL call main_#t~mem11 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1024] main_#t~short13 := main_#t~mem11 != { base: 0, offset: 0 }; [L1024] COND TRUE main_#t~short13 [L1024] assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647; [L1024] main_#t~short13 := 0 != main_#t~nondet12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem11!base=10, main_#t~mem11!offset=0, main_#t~nondet12=1, main_#t~short13=true, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024-L1028] COND FALSE !(!main_#t~short13) [L1024] havoc main_#t~mem11; [L1024] havoc main_#t~nondet12; [L1024] havoc main_#t~short13; [L1026] FCALL call main_#t~mem14 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1026] main_~x~0 := main_#t~mem14; [L1026] havoc main_#t~mem14; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] FCALL call main_#t~mem15 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem15=1, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] COND TRUE !(1 != main_#t~mem15) [L1027] havoc main_#t~mem15; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet5, main_#t~nondet1, main_#t~mem10, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~short9, main_#t~mem14, main_#t~mem15, main_#t~mem11, main_#t~nondet12, main_#t~short13, main_#t~malloc16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem20, main_#t~short21, main_#t~mem25, main_#t~mem26, main_#t~mem27, main_#t~mem28, main_~head~0, main_~x~0, main_~marked~0, main_~tmp~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L991] main_~x~0 := main_~head~0; [L992] main_~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L995-L1012] COND FALSE !(!(0 != main_#t~nondet1 || 0 == main_~marked~0)) [L995] havoc main_#t~nondet1; [L998] FCALL call main_#t~malloc2 := #Ultimate.alloc(12); [L998] FCALL call write~$Pointer$(main_#t~malloc2, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L999] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L999] FCALL call write~$Pointer$(main_~x~0, { base: main_#t~mem3!base, offset: 4 + main_#t~mem3!offset }, 4); [L999] havoc main_#t~mem3; [L1000] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1000] main_~x~0 := main_#t~mem4; [L1000] havoc main_#t~mem4; [L1001] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1003] assume -2147483648 <= main_#t~nondet5 && main_#t~nondet5 <= 2147483647; [L1003-L1006] COND TRUE 0 != main_#t~nondet5 [L1003] havoc main_#t~nondet5; [L1005] main_~marked~0 := 1; [L1008-L1011] COND TRUE 0 != main_~marked~0 [L1009] FCALL call write~int(1, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L995] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L995-L1012] COND TRUE !(0 != main_#t~nondet1 || 0 == main_~marked~0) [L995] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=10, main_~x~0!offset=0] [L1014] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=3, main_~x~0!offset=0] [L1016] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=1, main_~x~0!base=3, main_~x~0!offset=0] [L1017] main_~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1019] main_#t~short9 := main_#t~mem6 != { base: 0, offset: 0 }; [L1019] COND TRUE main_#t~short9 [L1019] FCALL call main_#t~mem7 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1019] FCALL call main_#t~mem8 := read~int({ base: main_#t~mem7!base, offset: 8 + main_#t~mem7!offset }, 4); [L1019] main_#t~short9 := 0 == main_#t~mem8; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem6!base=10, main_#t~mem6!offset=0, main_#t~mem7!base=10, main_#t~mem7!offset=0, main_#t~mem8=1, main_#t~short9=false, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019-L1022] COND TRUE !main_#t~short9 [L1019] havoc main_#t~short9; [L1019] havoc main_#t~mem8; [L1019] havoc main_#t~mem7; [L1019] havoc main_#t~mem6; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] FCALL call main_#t~mem11 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1024] main_#t~short13 := main_#t~mem11 != { base: 0, offset: 0 }; [L1024] COND TRUE main_#t~short13 [L1024] assume -2147483648 <= main_#t~nondet12 && main_#t~nondet12 <= 2147483647; [L1024] main_#t~short13 := 0 != main_#t~nondet12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem11!base=10, main_#t~mem11!offset=0, main_#t~nondet12=1, main_#t~short13=true, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024-L1028] COND FALSE !(!main_#t~short13) [L1024] havoc main_#t~mem11; [L1024] havoc main_#t~nondet12; [L1024] havoc main_#t~short13; [L1026] FCALL call main_#t~mem14 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1026] main_~x~0 := main_#t~mem14; [L1026] havoc main_#t~mem14; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] FCALL call main_#t~mem15 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_#t~mem15=1, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] COND TRUE !(1 != main_#t~mem15) [L1027] havoc main_#t~mem15; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [L1027] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc2!base=10, main_#t~malloc2!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~marked~0=0, main_~x~0!base=10, main_~x~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L986] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L986] ~head~0 := #t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L991] ~x~0 := ~head~0; [L992] ~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L995] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L995-L1012] COND FALSE !(!(0 != #t~nondet1 || 0 == ~marked~0)) [L995] havoc #t~nondet1; [L998] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L998] FCALL call write~$Pointer$(#t~malloc2, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L999] FCALL call #t~mem3 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L999] FCALL call write~$Pointer$(~x~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L999] havoc #t~mem3; [L1000] FCALL call #t~mem4 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1000] ~x~0 := #t~mem4; [L1000] havoc #t~mem4; [L1001] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1003] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; [L1003-L1006] COND TRUE 0 != #t~nondet5 [L1003] havoc #t~nondet5; [L1005] ~marked~0 := 1; [L1008-L1011] COND TRUE 0 != ~marked~0 [L1009] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L995] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L995-L1012] COND TRUE !(0 != #t~nondet1 || 0 == ~marked~0) [L995] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1014] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1017] ~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L1019] FCALL call #t~mem6 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1019] #t~short9 := #t~mem6 != { base: 0, offset: 0 }; [L1019] COND TRUE #t~short9 [L1019] FCALL call #t~mem7 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1019] FCALL call #t~mem8 := read~int({ base: #t~mem7!base, offset: 8 + #t~mem7!offset }, 4); [L1019] #t~short9 := 0 == #t~mem8; VAL [#NULL!base=0, #NULL!offset=0] [L1019-L1022] COND TRUE !#t~short9 [L1019] havoc #t~short9; [L1019] havoc #t~mem8; [L1019] havoc #t~mem7; [L1019] havoc #t~mem6; VAL [#NULL!base=0, #NULL!offset=0] [L1024] FCALL call #t~mem11 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1024] #t~short13 := #t~mem11 != { base: 0, offset: 0 }; [L1024] COND TRUE #t~short13 [L1024] assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647; [L1024] #t~short13 := 0 != #t~nondet12; VAL [#NULL!base=0, #NULL!offset=0] [L1024-L1028] COND FALSE !(!#t~short13) [L1024] havoc #t~mem11; [L1024] havoc #t~nondet12; [L1024] havoc #t~short13; [L1026] FCALL call #t~mem14 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1026] ~x~0 := #t~mem14; [L1026] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0] [L1027] FCALL call #t~mem15 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1027] COND TRUE !(1 != #t~mem15) [L1027] havoc #t~mem15; VAL [#NULL!base=0, #NULL!offset=0] [L1027] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L986] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L986] ~head~0 := #t~malloc0; [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L989] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L991] ~x~0 := ~head~0; [L992] ~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L995] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L995-L1012] COND FALSE !(!(0 != #t~nondet1 || 0 == ~marked~0)) [L995] havoc #t~nondet1; [L998] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L998] FCALL call write~$Pointer$(#t~malloc2, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L999] FCALL call #t~mem3 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L999] FCALL call write~$Pointer$(~x~0, { base: #t~mem3!base, offset: 4 + #t~mem3!offset }, 4); [L999] havoc #t~mem3; [L1000] FCALL call #t~mem4 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1000] ~x~0 := #t~mem4; [L1000] havoc #t~mem4; [L1001] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1003] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; [L1003-L1006] COND TRUE 0 != #t~nondet5 [L1003] havoc #t~nondet5; [L1005] ~marked~0 := 1; [L1008-L1011] COND TRUE 0 != ~marked~0 [L1009] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L995] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L995-L1012] COND TRUE !(0 != #t~nondet1 || 0 == ~marked~0) [L995] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1014] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1016] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1017] ~marked~0 := 0; VAL [#NULL!base=0, #NULL!offset=0] [L1019] FCALL call #t~mem6 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1019] #t~short9 := #t~mem6 != { base: 0, offset: 0 }; [L1019] COND TRUE #t~short9 [L1019] FCALL call #t~mem7 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1019] FCALL call #t~mem8 := read~int({ base: #t~mem7!base, offset: 8 + #t~mem7!offset }, 4); [L1019] #t~short9 := 0 == #t~mem8; VAL [#NULL!base=0, #NULL!offset=0] [L1019-L1022] COND TRUE !#t~short9 [L1019] havoc #t~short9; [L1019] havoc #t~mem8; [L1019] havoc #t~mem7; [L1019] havoc #t~mem6; VAL [#NULL!base=0, #NULL!offset=0] [L1024] FCALL call #t~mem11 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1024] #t~short13 := #t~mem11 != { base: 0, offset: 0 }; [L1024] COND TRUE #t~short13 [L1024] assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647; [L1024] #t~short13 := 0 != #t~nondet12; VAL [#NULL!base=0, #NULL!offset=0] [L1024-L1028] COND FALSE !(!#t~short13) [L1024] havoc #t~mem11; [L1024] havoc #t~nondet12; [L1024] havoc #t~short13; [L1026] FCALL call #t~mem14 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1026] ~x~0 := #t~mem14; [L1026] havoc #t~mem14; VAL [#NULL!base=0, #NULL!offset=0] [L1027] FCALL call #t~mem15 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1027] COND TRUE !(1 != #t~mem15) [L1027] havoc #t~mem15; VAL [#NULL!base=0, #NULL!offset=0] [L1027] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = ((void*)0) [L988] head->prev = ((void*)0) [L989] head->data = 0 [L991] SLL* x = head; [L992] int marked = 0; [L995] COND TRUE __VERIFIER_nondet_int() || !marked [L998] x->next = malloc(sizeof(SLL)) [L999] EXPR x->next [L999] x->next->prev = x [L1000] EXPR x->next [L1000] x = x->next [L1001] x->next = ((void*)0) [L1003] COND TRUE __VERIFIER_nondet_int() [L1005] marked = 1 [L1008] COND TRUE \read(marked) [L1009] x->data = 1 [L995] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1014] x = head [L1016] COND FALSE !(!(((void*)0) != x)) [L1017] marked = 0 [L1019] EXPR x->next [L1019] x->next != ((void*)0) && x->next->data == 0 [L1019] EXPR x->next [L1019] EXPR x->next->data [L1019] x->next != ((void*)0) && x->next->data == 0 [L1019] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1024] EXPR x->next [L1024] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1024] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1024] COND TRUE x->next != ((void*)0) && __VERIFIER_nondet_int() [L1026] EXPR x->next [L1026] x = x->next [L1027] EXPR x->data [L1027] COND TRUE !(x->data != 1) [L1027] __VERIFIER_error() ----- [2018-11-22 23:12:25,227 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45a86bbb-2926-4b15-8d02-60f40c9b6acd/bin-2019/ukojak/witness.graphml [2018-11-22 23:12:25,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:12:25,228 INFO L168 Benchmark]: Toolchain (without parser) took 1812.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.6 MB in the beginning and 988.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 110.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:12:25,231 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 23:12:25,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:12:25,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.41 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. [2018-11-22 23:12:25,232 INFO L168 Benchmark]: Boogie Preprocessor took 19.57 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. [2018-11-22 23:12:25,232 INFO L168 Benchmark]: RCFGBuilder took 541.50 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:12:25,233 INFO L168 Benchmark]: CodeCheck took 752.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:12:25,233 INFO L168 Benchmark]: Witness Printer took 107.58 ms. Allocated memory is still 1.2 GB. Free memory was 993.6 MB in the beginning and 988.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:12:25,237 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 1 procedures, 56 locations, 6 error locations. UNSAFE Result, 0.6s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 40 SDslu, 48 SDs, 0 SdLazy, 152 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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: 1027]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = ((void*)0) [L988] head->prev = ((void*)0) [L989] head->data = 0 [L991] SLL* x = head; [L992] int marked = 0; [L995] COND TRUE __VERIFIER_nondet_int() || !marked [L998] x->next = malloc(sizeof(SLL)) [L999] EXPR x->next [L999] x->next->prev = x [L1000] EXPR x->next [L1000] x = x->next [L1001] x->next = ((void*)0) [L1003] COND TRUE __VERIFIER_nondet_int() [L1005] marked = 1 [L1008] COND TRUE \read(marked) [L1009] x->data = 1 [L995] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1014] x = head [L1016] COND FALSE !(!(((void*)0) != x)) [L1017] marked = 0 [L1019] EXPR x->next [L1019] x->next != ((void*)0) && x->next->data == 0 [L1019] EXPR x->next [L1019] EXPR x->next->data [L1019] x->next != ((void*)0) && x->next->data == 0 [L1019] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1024] EXPR x->next [L1024] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1024] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1024] COND TRUE x->next != ((void*)0) && __VERIFIER_nondet_int() [L1026] EXPR x->next [L1026] x = x->next [L1027] EXPR x->data [L1027] COND TRUE !(x->data != 1) [L1027] __VERIFIER_error() * 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 358.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.41 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 19.57 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. * RCFGBuilder took 541.50 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * CodeCheck took 752.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * Witness Printer took 107.58 ms. Allocated memory is still 1.2 GB. Free memory was 993.6 MB in the beginning and 988.2 MB 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...