./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-circular_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_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-circular_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/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 95b20088216028e3d05e3cb41d4ed5c20af6a751 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:45:46,766 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:45:46,767 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:45:46,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:45:46,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:45:46,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:45:46,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:45:46,779 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:45:46,780 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:45:46,781 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:45:46,781 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:45:46,782 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:45:46,782 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:45:46,783 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:45:46,784 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:45:46,785 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:45:46,786 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:45:46,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:45:46,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:45:46,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:45:46,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:45:46,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:45:46,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:45:46,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:45:46,794 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:45:46,795 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:45:46,796 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:45:46,797 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:45:46,797 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:45:46,798 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:45:46,798 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:45:46,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:45:46,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:45:46,799 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:45:46,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:45:46,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:45:46,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:45:46,810 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:45:46,810 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:45:46,811 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:45:46,811 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:45:46,812 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:45:46,812 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:45:46,812 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:45:46,813 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:45:46,813 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:45:46,813 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:45:46,813 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:45:46,813 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:45:46,813 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:45:46,814 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:45:46,814 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:45:46,814 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:45:46,814 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:45:46,814 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:45:46,814 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:45:46,815 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:45:46,815 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:45:46,815 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:45:46,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:45:46,815 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:45:46,816 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:45:46,816 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:45:46,816 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:45:46,816 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:45:46,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:45:46,816 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_b46edcdd-b6a4-4335-9edb-459245d860d0/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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2018-11-23 06:45:46,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:45:46,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:45:46,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:45:46,857 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:45:46,857 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:45:46,858 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-circular_false-unreach-call_false-valid-memcleanup.i [2018-11-23 06:45:46,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/data/ce71bd8a8/b25c41e50b2a40ccb420f8adacd6a1cb/FLAG15eb78bef [2018-11-23 06:45:47,225 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:45:47,225 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/sv-benchmarks/c/forester-heap/dll-circular_false-unreach-call_false-valid-memcleanup.i [2018-11-23 06:45:47,232 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/data/ce71bd8a8/b25c41e50b2a40ccb420f8adacd6a1cb/FLAG15eb78bef [2018-11-23 06:45:47,242 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/data/ce71bd8a8/b25c41e50b2a40ccb420f8adacd6a1cb [2018-11-23 06:45:47,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:45:47,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:45:47,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:45:47,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:45:47,249 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:45:47,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6541d289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47, skipping insertion in model container [2018-11-23 06:45:47,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:45:47,286 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:45:47,465 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:45:47,471 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:45:47,538 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:45:47,569 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:45:47,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47 WrapperNode [2018-11-23 06:45:47,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:45:47,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:45:47,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:45:47,570 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:45:47,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:45:47,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:45:47,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:45:47,600 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:45:47,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:45:47,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:45:47,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:45:47,625 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:45:47,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:45:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/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 [2018-11-23 06:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 06:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 06:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 06:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:45:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:45:47,985 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:45:47,985 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-11-23 06:45:47,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:45:47 BoogieIcfgContainer [2018-11-23 06:45:47,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:45:47,986 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:45:47,986 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:45:47,992 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:45:47,992 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:45:47" (1/1) ... [2018-11-23 06:45:47,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:45:48,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:45:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-11-23 06:45:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-11-23 06:45:48,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 06:45:48,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:45:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:45:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:45:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:45:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2018-11-23 06:45:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2018-11-23 06:45:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 06:45:48,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:45:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:45:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:45:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:45:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-11-23 06:45:48,260 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-11-23 06:45:48,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 06:45:48,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:45:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:45:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:45:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:45:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-11-23 06:45:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-11-23 06:45:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 06:45:48,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:45:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:45:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:45:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:45:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-11-23 06:45:48,461 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-11-23 06:45:48,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 06:45:48,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:45:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:45:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:45:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:45:48,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2018-11-23 06:45:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2018-11-23 06:45:48,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 06:45:48,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:45:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:45:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:45:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:45:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:45:48,788 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 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~mem6.base, main_#t~mem6.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9, main_#t~mem11, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem12, main_#t~short13, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem7, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem16, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~state~0;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~$Pointer$(main_~head~0.base, main_~head~0.offset, main_~head~0.base, 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_~state~0 := 1; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] call write~int(main_~state~0, main_~x~0.base, 8 + main_~x~0.offset, 4);call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_#t~mem6.base, main_#t~mem6.offset;havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] call main_#t~mem7 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~mem7|=1] [?] assume !!(0 != main_#t~mem7);havoc main_#t~mem7; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem9 := read~int(main_#t~mem8.base, 8 + main_#t~mem8.offset, 4);main_#t~short13 := 0 != main_#t~mem9;BeginParallelComposition{ParallelCodeBlock0: assume main_#t~short13;call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4);call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem12 := read~int(main_#t~mem10.base, 8 + main_#t~mem10.offset, 4);main_#t~short13 := main_#t~mem11 > main_#t~mem12;ParallelCodeBlock1: assume !main_#t~short13;}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~mem10.base|=4, |ULTIMATE.start_main_#t~mem10.offset|=0, |ULTIMATE.start_main_#t~mem11|=1, |ULTIMATE.start_main_#t~mem12|=1, |ULTIMATE.start_main_#t~mem8.base|=4, |ULTIMATE.start_main_#t~mem8.offset|=0, |ULTIMATE.start_main_#t~mem9|=1, |ULTIMATE.start_main_#t~short13|=false] [?] assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~mem9;havoc main_#t~mem11;havoc main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem10.base, main_#t~mem10.offset;havoc main_#t~short13; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.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~mem6.base, main_#t~mem6.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9, main_#t~mem11, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem12, main_#t~short13, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem7, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem16, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~state~0; [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~$Pointer$(main_~head~0.base, main_~head~0.offset, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L990] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; [L991] main_~state~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L994] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~nondet1=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L994-L1015] assume !(0 != main_#t~nondet1); [L994] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1016] call write~int(main_~state~0, main_~x~0.base, 8 + main_~x~0.offset, 4); [L1018] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1018] main_~x~0.base, main_~x~0.offset := main_#t~mem6.base, main_#t~mem6.offset; [L1018] havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1019] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1021] call main_#t~mem7 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~mem7=1, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1021-L1025] assume !!(0 != main_#t~mem7); [L1021] havoc main_#t~mem7; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1023] call main_#t~mem9 := read~int(main_#t~mem8.base, 8 + main_#t~mem8.offset, 4); [L1023] main_#t~short13 := 0 != main_#t~mem9; [L1023] assume main_#t~short13; [L1023] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); [L1023] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1023] call main_#t~mem12 := read~int(main_#t~mem10.base, 8 + main_#t~mem10.offset, 4); [L1023] main_#t~short13 := main_#t~mem11 > main_#t~mem12; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~mem10.base=4, main_#t~mem10.offset=0, main_#t~mem11=1, main_#t~mem12=1, main_#t~mem8.base=4, main_#t~mem8.offset=0, main_#t~mem9=1, main_#t~short13=false, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] assume !main_#t~short13; [L1023] havoc main_#t~mem12; [L1023] havoc main_#t~mem9; [L1023] havoc main_#t~mem11; [L1023] havoc main_#t~mem8.base, main_#t~mem8.offset; [L1023] havoc main_#t~mem10.base, main_#t~mem10.offset; [L1023] havoc main_#t~short13; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, 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~mem6.base, main_#t~mem6.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9, main_#t~mem11, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem12, main_#t~short13, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem7, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem16, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~state~0; [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~$Pointer$(main_~head~0.base, main_~head~0.offset, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L990] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; [L991] main_~state~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L994] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~nondet1=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L994-L1015] assume !(0 != main_#t~nondet1); [L994] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1016] call write~int(main_~state~0, main_~x~0.base, 8 + main_~x~0.offset, 4); [L1018] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1018] main_~x~0.base, main_~x~0.offset := main_#t~mem6.base, main_#t~mem6.offset; [L1018] havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1019] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1021] call main_#t~mem7 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~mem7=1, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1021-L1025] assume !!(0 != main_#t~mem7); [L1021] havoc main_#t~mem7; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1023] call main_#t~mem9 := read~int(main_#t~mem8.base, 8 + main_#t~mem8.offset, 4); [L1023] main_#t~short13 := 0 != main_#t~mem9; [L1023] assume main_#t~short13; [L1023] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); [L1023] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1023] call main_#t~mem12 := read~int(main_#t~mem10.base, 8 + main_#t~mem10.offset, 4); [L1023] main_#t~short13 := main_#t~mem11 > main_#t~mem12; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~mem10.base=4, main_#t~mem10.offset=0, main_#t~mem11=1, main_#t~mem12=1, main_#t~mem8.base=4, main_#t~mem8.offset=0, main_#t~mem9=1, main_#t~short13=false, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] assume !main_#t~short13; [L1023] havoc main_#t~mem12; [L1023] havoc main_#t~mem9; [L1023] havoc main_#t~mem11; [L1023] havoc main_#t~mem8.base, main_#t~mem8.offset; [L1023] havoc main_#t~mem10.base, main_#t~mem10.offset; [L1023] havoc main_#t~short13; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, 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~mem6, main_#t~mem8, main_#t~mem9, main_#t~mem11, main_#t~mem10, main_#t~mem12, main_#t~short13, main_#t~mem14, main_#t~mem7, main_#t~mem15, main_#t~mem17, main_#t~mem16, main_~head~0, main_~x~0, main_~state~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$(main_~head~0, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L990] main_~x~0 := main_~head~0; [L991] main_~state~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L994] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_#t~nondet1=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L994-L1015] COND TRUE !(0 != main_#t~nondet1) [L994] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1016] FCALL call write~int(main_~state~0, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1018] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1018] main_~x~0 := main_#t~mem6; [L1018] havoc main_#t~mem6; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1019] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1021] FCALL call main_#t~mem7 := 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=4, main_#t~malloc0!offset=0, main_#t~mem7=1, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1021-L1025] COND FALSE !(!(0 != main_#t~mem7)) [L1021] havoc main_#t~mem7; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] FCALL call main_#t~mem8 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem9 := read~int({ base: main_#t~mem8!base, offset: 8 + main_#t~mem8!offset }, 4); [L1023] main_#t~short13 := 0 != main_#t~mem9; [L1023] COND TRUE main_#t~short13 [L1023] FCALL call main_#t~mem11 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem10 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem12 := read~int({ base: main_#t~mem10!base, offset: 8 + main_#t~mem10!offset }, 4); [L1023] main_#t~short13 := main_#t~mem11 > main_#t~mem12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_#t~mem10!base=4, main_#t~mem10!offset=0, main_#t~mem11=1, main_#t~mem12=1, main_#t~mem8!base=4, main_#t~mem8!offset=0, main_#t~mem9=1, main_#t~short13=false, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] COND TRUE !main_#t~short13 [L1023] havoc main_#t~mem12; [L1023] havoc main_#t~mem9; [L1023] havoc main_#t~mem11; [L1023] havoc main_#t~mem8; [L1023] havoc main_#t~mem10; [L1023] havoc main_#t~short13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, 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~mem6, main_#t~mem8, main_#t~mem9, main_#t~mem11, main_#t~mem10, main_#t~mem12, main_#t~short13, main_#t~mem14, main_#t~mem7, main_#t~mem15, main_#t~mem17, main_#t~mem16, main_~head~0, main_~x~0, main_~state~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$(main_~head~0, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L990] main_~x~0 := main_~head~0; [L991] main_~state~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L994] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_#t~nondet1=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L994-L1015] COND TRUE !(0 != main_#t~nondet1) [L994] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1016] FCALL call write~int(main_~state~0, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1018] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1018] main_~x~0 := main_#t~mem6; [L1018] havoc main_#t~mem6; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1019] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1021] FCALL call main_#t~mem7 := 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=4, main_#t~malloc0!offset=0, main_#t~mem7=1, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1021-L1025] COND FALSE !(!(0 != main_#t~mem7)) [L1021] havoc main_#t~mem7; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] FCALL call main_#t~mem8 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem9 := read~int({ base: main_#t~mem8!base, offset: 8 + main_#t~mem8!offset }, 4); [L1023] main_#t~short13 := 0 != main_#t~mem9; [L1023] COND TRUE main_#t~short13 [L1023] FCALL call main_#t~mem11 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem10 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem12 := read~int({ base: main_#t~mem10!base, offset: 8 + main_#t~mem10!offset }, 4); [L1023] main_#t~short13 := main_#t~mem11 > main_#t~mem12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_#t~mem10!base=4, main_#t~mem10!offset=0, main_#t~mem11=1, main_#t~mem12=1, main_#t~mem8!base=4, main_#t~mem8!offset=0, main_#t~mem9=1, main_#t~short13=false, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] COND TRUE !main_#t~short13 [L1023] havoc main_#t~mem12; [L1023] havoc main_#t~mem9; [L1023] havoc main_#t~mem11; [L1023] havoc main_#t~mem8; [L1023] havoc main_#t~mem10; [L1023] havoc main_#t~short13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, 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~$Pointer$(~head~0, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L990] ~x~0 := ~head~0; [L991] ~state~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L994] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L994-L1015] COND TRUE !(0 != #t~nondet1) [L994] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1016] FCALL call write~int(~state~0, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1018] FCALL call #t~mem6 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1018] ~x~0 := #t~mem6; [L1018] havoc #t~mem6; VAL [#NULL!base=0, #NULL!offset=0] [L1019] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1021] FCALL call #t~mem7 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1021-L1025] COND FALSE !(!(0 != #t~mem7)) [L1021] havoc #t~mem7; VAL [#NULL!base=0, #NULL!offset=0] [L1023] FCALL call #t~mem8 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1023] FCALL call #t~mem9 := read~int({ base: #t~mem8!base, offset: 8 + #t~mem8!offset }, 4); [L1023] #t~short13 := 0 != #t~mem9; [L1023] COND TRUE #t~short13 [L1023] FCALL call #t~mem11 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1023] FCALL call #t~mem10 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1023] FCALL call #t~mem12 := read~int({ base: #t~mem10!base, offset: 8 + #t~mem10!offset }, 4); [L1023] #t~short13 := #t~mem11 > #t~mem12; VAL [#NULL!base=0, #NULL!offset=0] [L1023] COND TRUE !#t~short13 [L1023] havoc #t~mem12; [L1023] havoc #t~mem9; [L1023] havoc #t~mem11; [L1023] havoc #t~mem8; [L1023] havoc #t~mem10; [L1023] havoc #t~short13; VAL [#NULL!base=0, #NULL!offset=0] [L1023] 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~$Pointer$(~head~0, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L990] ~x~0 := ~head~0; [L991] ~state~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L994] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L994-L1015] COND TRUE !(0 != #t~nondet1) [L994] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1016] FCALL call write~int(~state~0, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1018] FCALL call #t~mem6 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1018] ~x~0 := #t~mem6; [L1018] havoc #t~mem6; VAL [#NULL!base=0, #NULL!offset=0] [L1019] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1021] FCALL call #t~mem7 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1021-L1025] COND FALSE !(!(0 != #t~mem7)) [L1021] havoc #t~mem7; VAL [#NULL!base=0, #NULL!offset=0] [L1023] FCALL call #t~mem8 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1023] FCALL call #t~mem9 := read~int({ base: #t~mem8!base, offset: 8 + #t~mem8!offset }, 4); [L1023] #t~short13 := 0 != #t~mem9; [L1023] COND TRUE #t~short13 [L1023] FCALL call #t~mem11 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1023] FCALL call #t~mem10 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1023] FCALL call #t~mem12 := read~int({ base: #t~mem10!base, offset: 8 + #t~mem10!offset }, 4); [L1023] #t~short13 := #t~mem11 > #t~mem12; VAL [#NULL!base=0, #NULL!offset=0] [L1023] COND TRUE !#t~short13 [L1023] havoc #t~mem12; [L1023] havoc #t~mem9; [L1023] havoc #t~mem11; [L1023] havoc #t~mem8; [L1023] havoc #t~mem10; [L1023] havoc #t~short13; VAL [#NULL!base=0, #NULL!offset=0] [L1023] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = head [L988] head->data = 0 [L990] SLL* x = head; [L991] int state = 1; [L994] COND FALSE !(__VERIFIER_nondet_int()) [L1016] x->data = state [L1018] EXPR head->next [L1018] x = head->next [L1019] COND FALSE !(!(((void*)0) != x)) [L1021] EXPR x->data [L1021] COND TRUE x->data != 0 [L1023] EXPR x->next [L1023] EXPR x->next->data [L1023] EXPR x->next->data != 0 && x->data > x->next->data [L1023] EXPR x->data [L1023] EXPR x->next [L1023] EXPR x->next->data [L1023] EXPR x->next->data != 0 && x->data > x->next->data [L1023] COND TRUE !(x->next->data != 0 && x->data > x->next->data) [L1023] __VERIFIER_error() ----- [2018-11-23 06:45:48,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:45:48 ImpRootNode [2018-11-23 06:45:48,825 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:45:48,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:45:48,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:45:48,826 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:45:48,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:45:47" (3/4) ... [2018-11-23 06:45:48,828 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~mem6.base, main_#t~mem6.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9, main_#t~mem11, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem12, main_#t~short13, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem7, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem16, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~state~0;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~$Pointer$(main_~head~0.base, main_~head~0.offset, main_~head~0.base, 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_~state~0 := 1; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] call write~int(main_~state~0, main_~x~0.base, 8 + main_~x~0.offset, 4);call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_#t~mem6.base, main_#t~mem6.offset;havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] call main_#t~mem7 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~mem7|=1] [?] assume !!(0 != main_#t~mem7);havoc main_#t~mem7; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem9 := read~int(main_#t~mem8.base, 8 + main_#t~mem8.offset, 4);main_#t~short13 := 0 != main_#t~mem9;BeginParallelComposition{ParallelCodeBlock0: assume main_#t~short13;call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4);call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem12 := read~int(main_#t~mem10.base, 8 + main_#t~mem10.offset, 4);main_#t~short13 := main_#t~mem11 > main_#t~mem12;ParallelCodeBlock1: assume !main_#t~short13;}EndParallelComposition VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~mem10.base|=4, |ULTIMATE.start_main_#t~mem10.offset|=0, |ULTIMATE.start_main_#t~mem11|=1, |ULTIMATE.start_main_#t~mem12|=1, |ULTIMATE.start_main_#t~mem8.base|=4, |ULTIMATE.start_main_#t~mem8.offset|=0, |ULTIMATE.start_main_#t~mem9|=1, |ULTIMATE.start_main_#t~short13|=false] [?] assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~mem9;havoc main_#t~mem11;havoc main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem10.base, main_#t~mem10.offset;havoc main_#t~short13; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~head~0.base=4, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~state~0=1, ULTIMATE.start_main_~x~0.base=4, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=4, |ULTIMATE.start_main_#t~malloc0.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~mem6.base, main_#t~mem6.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9, main_#t~mem11, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem12, main_#t~short13, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem7, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem16, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~state~0; [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~$Pointer$(main_~head~0.base, main_~head~0.offset, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L990] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; [L991] main_~state~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L994] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~nondet1=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L994-L1015] assume !(0 != main_#t~nondet1); [L994] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1016] call write~int(main_~state~0, main_~x~0.base, 8 + main_~x~0.offset, 4); [L1018] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1018] main_~x~0.base, main_~x~0.offset := main_#t~mem6.base, main_#t~mem6.offset; [L1018] havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1019] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1021] call main_#t~mem7 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~mem7=1, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1021-L1025] assume !!(0 != main_#t~mem7); [L1021] havoc main_#t~mem7; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1023] call main_#t~mem9 := read~int(main_#t~mem8.base, 8 + main_#t~mem8.offset, 4); [L1023] main_#t~short13 := 0 != main_#t~mem9; [L1023] assume main_#t~short13; [L1023] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); [L1023] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1023] call main_#t~mem12 := read~int(main_#t~mem10.base, 8 + main_#t~mem10.offset, 4); [L1023] main_#t~short13 := main_#t~mem11 > main_#t~mem12; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~mem10.base=4, main_#t~mem10.offset=0, main_#t~mem11=1, main_#t~mem12=1, main_#t~mem8.base=4, main_#t~mem8.offset=0, main_#t~mem9=1, main_#t~short13=false, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] assume !main_#t~short13; [L1023] havoc main_#t~mem12; [L1023] havoc main_#t~mem9; [L1023] havoc main_#t~mem11; [L1023] havoc main_#t~mem8.base, main_#t~mem8.offset; [L1023] havoc main_#t~mem10.base, main_#t~mem10.offset; [L1023] havoc main_#t~short13; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, 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~mem6.base, main_#t~mem6.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9, main_#t~mem11, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem12, main_#t~short13, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem7, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem17.base, main_#t~mem17.offset, main_#t~mem16, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset, main_~state~0; [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~$Pointer$(main_~head~0.base, main_~head~0.offset, main_~head~0.base, main_~head~0.offset, 4); [L988] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L990] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; [L991] main_~state~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L994] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~nondet1=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L994-L1015] assume !(0 != main_#t~nondet1); [L994] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1016] call write~int(main_~state~0, main_~x~0.base, 8 + main_~x~0.offset, 4); [L1018] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~head~0.base, main_~head~0.offset, 4); [L1018] main_~x~0.base, main_~x~0.offset := main_#t~mem6.base, main_#t~mem6.offset; [L1018] havoc main_#t~mem6.base, main_#t~mem6.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1019] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1021] call main_#t~mem7 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~mem7=1, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1021-L1025] assume !!(0 != main_#t~mem7); [L1021] havoc main_#t~mem7; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1023] call main_#t~mem9 := read~int(main_#t~mem8.base, 8 + main_#t~mem8.offset, 4); [L1023] main_#t~short13 := 0 != main_#t~mem9; [L1023] assume main_#t~short13; [L1023] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); [L1023] call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1023] call main_#t~mem12 := read~int(main_#t~mem10.base, 8 + main_#t~mem10.offset, 4); [L1023] main_#t~short13 := main_#t~mem11 > main_#t~mem12; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_#t~mem10.base=4, main_#t~mem10.offset=0, main_#t~mem11=1, main_#t~mem12=1, main_#t~mem8.base=4, main_#t~mem8.offset=0, main_#t~mem9=1, main_#t~short13=false, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] assume !main_#t~short13; [L1023] havoc main_#t~mem12; [L1023] havoc main_#t~mem9; [L1023] havoc main_#t~mem11; [L1023] havoc main_#t~mem8.base, main_#t~mem8.offset; [L1023] havoc main_#t~mem10.base, main_#t~mem10.offset; [L1023] havoc main_#t~short13; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, main_~x~0.offset=0] [L1023] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=4, main_#t~malloc0.offset=0, main_~head~0.base=4, main_~head~0.offset=0, main_~state~0=1, main_~x~0.base=4, 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~mem6, main_#t~mem8, main_#t~mem9, main_#t~mem11, main_#t~mem10, main_#t~mem12, main_#t~short13, main_#t~mem14, main_#t~mem7, main_#t~mem15, main_#t~mem17, main_#t~mem16, main_~head~0, main_~x~0, main_~state~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$(main_~head~0, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L990] main_~x~0 := main_~head~0; [L991] main_~state~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L994] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_#t~nondet1=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L994-L1015] COND TRUE !(0 != main_#t~nondet1) [L994] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1016] FCALL call write~int(main_~state~0, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1018] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1018] main_~x~0 := main_#t~mem6; [L1018] havoc main_#t~mem6; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1019] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1021] FCALL call main_#t~mem7 := 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=4, main_#t~malloc0!offset=0, main_#t~mem7=1, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1021-L1025] COND FALSE !(!(0 != main_#t~mem7)) [L1021] havoc main_#t~mem7; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] FCALL call main_#t~mem8 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem9 := read~int({ base: main_#t~mem8!base, offset: 8 + main_#t~mem8!offset }, 4); [L1023] main_#t~short13 := 0 != main_#t~mem9; [L1023] COND TRUE main_#t~short13 [L1023] FCALL call main_#t~mem11 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem10 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem12 := read~int({ base: main_#t~mem10!base, offset: 8 + main_#t~mem10!offset }, 4); [L1023] main_#t~short13 := main_#t~mem11 > main_#t~mem12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_#t~mem10!base=4, main_#t~mem10!offset=0, main_#t~mem11=1, main_#t~mem12=1, main_#t~mem8!base=4, main_#t~mem8!offset=0, main_#t~mem9=1, main_#t~short13=false, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] COND TRUE !main_#t~short13 [L1023] havoc main_#t~mem12; [L1023] havoc main_#t~mem9; [L1023] havoc main_#t~mem11; [L1023] havoc main_#t~mem8; [L1023] havoc main_#t~mem10; [L1023] havoc main_#t~short13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, 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~mem6, main_#t~mem8, main_#t~mem9, main_#t~mem11, main_#t~mem10, main_#t~mem12, main_#t~short13, main_#t~mem14, main_#t~mem7, main_#t~mem15, main_#t~mem17, main_#t~mem16, main_~head~0, main_~x~0, main_~state~0; [L986] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L986] main_~head~0 := main_#t~malloc0; [L987] FCALL call write~$Pointer$(main_~head~0, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L988] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L990] main_~x~0 := main_~head~0; [L991] main_~state~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L994] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_#t~nondet1=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L994-L1015] COND TRUE !(0 != main_#t~nondet1) [L994] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1016] FCALL call write~int(main_~state~0, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1018] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L1018] main_~x~0 := main_#t~mem6; [L1018] havoc main_#t~mem6; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1019] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1021] FCALL call main_#t~mem7 := 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=4, main_#t~malloc0!offset=0, main_#t~mem7=1, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1021-L1025] COND FALSE !(!(0 != main_#t~mem7)) [L1021] havoc main_#t~mem7; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] FCALL call main_#t~mem8 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem9 := read~int({ base: main_#t~mem8!base, offset: 8 + main_#t~mem8!offset }, 4); [L1023] main_#t~short13 := 0 != main_#t~mem9; [L1023] COND TRUE main_#t~short13 [L1023] FCALL call main_#t~mem11 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem10 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1023] FCALL call main_#t~mem12 := read~int({ base: main_#t~mem10!base, offset: 8 + main_#t~mem10!offset }, 4); [L1023] main_#t~short13 := main_#t~mem11 > main_#t~mem12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_#t~mem10!base=4, main_#t~mem10!offset=0, main_#t~mem11=1, main_#t~mem12=1, main_#t~mem8!base=4, main_#t~mem8!offset=0, main_#t~mem9=1, main_#t~short13=false, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] COND TRUE !main_#t~short13 [L1023] havoc main_#t~mem12; [L1023] havoc main_#t~mem9; [L1023] havoc main_#t~mem11; [L1023] havoc main_#t~mem8; [L1023] havoc main_#t~mem10; [L1023] havoc main_#t~short13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, main_~x~0!offset=0] [L1023] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=4, main_#t~malloc0!offset=0, main_~head~0!base=4, main_~head~0!offset=0, main_~state~0=1, main_~x~0!base=4, 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~$Pointer$(~head~0, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L990] ~x~0 := ~head~0; [L991] ~state~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L994] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L994-L1015] COND TRUE !(0 != #t~nondet1) [L994] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1016] FCALL call write~int(~state~0, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1018] FCALL call #t~mem6 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1018] ~x~0 := #t~mem6; [L1018] havoc #t~mem6; VAL [#NULL!base=0, #NULL!offset=0] [L1019] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1021] FCALL call #t~mem7 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1021-L1025] COND FALSE !(!(0 != #t~mem7)) [L1021] havoc #t~mem7; VAL [#NULL!base=0, #NULL!offset=0] [L1023] FCALL call #t~mem8 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1023] FCALL call #t~mem9 := read~int({ base: #t~mem8!base, offset: 8 + #t~mem8!offset }, 4); [L1023] #t~short13 := 0 != #t~mem9; [L1023] COND TRUE #t~short13 [L1023] FCALL call #t~mem11 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1023] FCALL call #t~mem10 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1023] FCALL call #t~mem12 := read~int({ base: #t~mem10!base, offset: 8 + #t~mem10!offset }, 4); [L1023] #t~short13 := #t~mem11 > #t~mem12; VAL [#NULL!base=0, #NULL!offset=0] [L1023] COND TRUE !#t~short13 [L1023] havoc #t~mem12; [L1023] havoc #t~mem9; [L1023] havoc #t~mem11; [L1023] havoc #t~mem8; [L1023] havoc #t~mem10; [L1023] havoc #t~short13; VAL [#NULL!base=0, #NULL!offset=0] [L1023] 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~$Pointer$(~head~0, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L988] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L990] ~x~0 := ~head~0; [L991] ~state~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L994] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L994-L1015] COND TRUE !(0 != #t~nondet1) [L994] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1016] FCALL call write~int(~state~0, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1018] FCALL call #t~mem6 := read~$Pointer$({ base: ~head~0!base, offset: ~head~0!offset }, 4); [L1018] ~x~0 := #t~mem6; [L1018] havoc #t~mem6; VAL [#NULL!base=0, #NULL!offset=0] [L1019] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1021] FCALL call #t~mem7 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1021-L1025] COND FALSE !(!(0 != #t~mem7)) [L1021] havoc #t~mem7; VAL [#NULL!base=0, #NULL!offset=0] [L1023] FCALL call #t~mem8 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1023] FCALL call #t~mem9 := read~int({ base: #t~mem8!base, offset: 8 + #t~mem8!offset }, 4); [L1023] #t~short13 := 0 != #t~mem9; [L1023] COND TRUE #t~short13 [L1023] FCALL call #t~mem11 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1023] FCALL call #t~mem10 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1023] FCALL call #t~mem12 := read~int({ base: #t~mem10!base, offset: 8 + #t~mem10!offset }, 4); [L1023] #t~short13 := #t~mem11 > #t~mem12; VAL [#NULL!base=0, #NULL!offset=0] [L1023] COND TRUE !#t~short13 [L1023] havoc #t~mem12; [L1023] havoc #t~mem9; [L1023] havoc #t~mem11; [L1023] havoc #t~mem8; [L1023] havoc #t~mem10; [L1023] havoc #t~short13; VAL [#NULL!base=0, #NULL!offset=0] [L1023] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L986] SLL* head = malloc(sizeof(SLL)); [L987] head->next = head [L988] head->data = 0 [L990] SLL* x = head; [L991] int state = 1; [L994] COND FALSE !(__VERIFIER_nondet_int()) [L1016] x->data = state [L1018] EXPR head->next [L1018] x = head->next [L1019] COND FALSE !(!(((void*)0) != x)) [L1021] EXPR x->data [L1021] COND TRUE x->data != 0 [L1023] EXPR x->next [L1023] EXPR x->next->data [L1023] EXPR x->next->data != 0 && x->data > x->next->data [L1023] EXPR x->data [L1023] EXPR x->next [L1023] EXPR x->next->data [L1023] EXPR x->next->data != 0 && x->data > x->next->data [L1023] COND TRUE !(x->next->data != 0 && x->data > x->next->data) [L1023] __VERIFIER_error() ----- [2018-11-23 06:45:48,877 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b46edcdd-b6a4-4335-9edb-459245d860d0/bin-2019/ukojak/witness.graphml [2018-11-23 06:45:48,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:45:48,877 INFO L168 Benchmark]: Toolchain (without parser) took 1632.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -78.3 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:45:48,879 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:45:48,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -212.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:45:48,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:45:48,880 INFO L168 Benchmark]: Boogie Preprocessor took 24.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:45:48,880 INFO L168 Benchmark]: RCFGBuilder took 360.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:45:48,881 INFO L168 Benchmark]: CodeCheck took 839.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:45:48,881 INFO L168 Benchmark]: Witness Printer took 50.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:45:48,885 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, 33 locations, 3 error locations. UNSAFE Result, 0.7s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 256 SDtfs, 136 SDslu, 284 SDs, 0 SdLazy, 302 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 268 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 766 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1023]: 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 = head [L988] head->data = 0 [L990] SLL* x = head; [L991] int state = 1; [L994] COND FALSE !(__VERIFIER_nondet_int()) [L1016] x->data = state [L1018] EXPR head->next [L1018] x = head->next [L1019] COND FALSE !(!(((void*)0) != x)) [L1021] EXPR x->data [L1021] COND TRUE x->data != 0 [L1023] EXPR x->next [L1023] EXPR x->next->data [L1023] EXPR x->next->data != 0 && x->data > x->next->data [L1023] EXPR x->data [L1023] EXPR x->next [L1023] EXPR x->next->data [L1023] EXPR x->next->data != 0 && x->data > x->next->data [L1023] COND TRUE !(x->next->data != 0 && x->data > x->next->data) [L1023] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -212.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 360.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * CodeCheck took 839.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. * Witness Printer took 50.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...