./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-token_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_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/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 35a5ccff58935eefedf723cd2243fac7c8b8e61b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:26:26,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:26:26,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:26:26,948 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:26:26,948 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:26:26,949 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:26:26,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:26:26,951 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:26:26,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:26:26,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:26:26,953 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:26:26,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:26:26,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:26:26,954 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:26:26,955 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:26:26,955 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:26:26,955 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:26:26,957 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:26:26,958 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:26:26,958 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:26:26,959 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:26:26,960 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:26:26,961 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:26:26,962 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:26:26,962 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:26:26,962 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:26:26,963 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:26:26,963 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:26:26,964 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:26:26,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:26:26,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:26:26,965 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:26:26,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:26:26,966 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:26:26,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:26:26,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:26:26,967 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:26:26,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:26:26,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:26:26,977 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:26:26,978 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:26:26,978 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:26:26,978 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:26:26,978 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:26:26,979 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:26:26,979 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:26:26,979 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:26:26,979 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:26:26,979 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:26:26,979 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:26:26,979 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:26:26,979 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:26:26,980 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:26:26,980 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:26:26,980 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:26:26,980 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:26:26,980 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:26:26,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:26:26,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:26:26,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:26:26,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:26:26,981 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:26:26,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:26:26,981 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:26:26,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:26:26,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:26:26,981 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_04d23665-9ca4-44fb-8214-278d3fddffd3/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 -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2018-11-23 01:26:27,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:26:27,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:26:27,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:26:27,015 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:26:27,015 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:26:27,016 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i [2018-11-23 01:26:27,051 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/data/bcc960908/66ec09bb84f94fccb0f91831c7e432c9/FLAGb0dc74168 [2018-11-23 01:26:27,380 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:26:27,381 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i [2018-11-23 01:26:27,387 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/data/bcc960908/66ec09bb84f94fccb0f91831c7e432c9/FLAGb0dc74168 [2018-11-23 01:26:27,395 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/data/bcc960908/66ec09bb84f94fccb0f91831c7e432c9 [2018-11-23 01:26:27,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:26:27,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:26:27,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:26:27,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:26:27,400 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:26:27,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed6b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27, skipping insertion in model container [2018-11-23 01:26:27,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:26:27,438 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:26:27,620 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:26:27,627 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:26:27,696 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:26:27,728 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:26:27,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27 WrapperNode [2018-11-23 01:26:27,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:26:27,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:26:27,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:26:27,729 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:26:27,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:26:27,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:26:27,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:26:27,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:26:27,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... [2018-11-23 01:26:27,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:26:27,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:26:27,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:26:27,777 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:26:27,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/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 01:26:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:26:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 01:26:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:26:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 01:26:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 01:26:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:26:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:26:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:26:28,123 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:26:28,123 INFO L280 CfgBuilder]: Removed 19 assue(true) statements. [2018-11-23 01:26:28,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:28 BoogieIcfgContainer [2018-11-23 01:26:28,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:26:28,124 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:26:28,124 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:26:28,132 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:26:28,133 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:28" (1/1) ... [2018-11-23 01:26:28,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2018-11-23 01:26:28,164 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2018-11-23 01:26:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 01:26:28,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,248 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 01:26:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2018-11-23 01:26:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2018-11-23 01:26:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 01:26:28,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,339 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 01:26:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2018-11-23 01:26:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2018-11-23 01:26:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 01:26:28,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,445 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 01:26:28,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2018-11-23 01:26:28,543 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2018-11-23 01:26:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 01:26:28,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,564 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 01:26:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2018-11-23 01:26:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2018-11-23 01:26:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 01:26:28,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:26:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2018-11-23 01:26:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2018-11-23 01:26:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:26:28,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,787 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 01:26:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2018-11-23 01:26:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2018-11-23 01:26:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:26:28,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:28,983 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 01:26:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:26:29,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2018-11-23 01:26:29,332 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2018-11-23 01:26:29,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 01:26:29,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:26:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:26:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:26:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:26:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:26:29,498 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 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~nondet1, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem9, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem8, main_#t~mem11, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem14, main_#t~mem16, main_#t~mem17.base, main_#t~mem17.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12);main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4);call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4);call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4);call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc5.base, main_#t~malloc5.offset, main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem6.base, 4 + main_#t~mem6.offset, 4);havoc main_#t~mem6.base, main_#t~mem6.offset;call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call write~int(2, main_#t~mem7.base, 8 + main_#t~mem7.offset, 4);havoc main_#t~mem7.base, main_#t~mem7.offset;main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] call main_#t~mem8 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0, |ULTIMATE.start_main_#t~mem8|=1] [?] assume !(1 != main_#t~mem8);havoc main_#t~mem8; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0, |ULTIMATE.start_main_#t~mem11|=1] [?] assume !!(1 == main_#t~mem11);havoc main_#t~mem11; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_#t~mem12.base, main_#t~mem12.offset;havoc main_#t~mem12.base, main_#t~mem12.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] call main_#t~mem13 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0, |ULTIMATE.start_main_#t~mem13|=2] [?] assume !(2 != main_#t~mem13);havoc main_#t~mem13; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.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~nondet1, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem9, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem8, main_#t~mem11, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem14, main_#t~mem16, main_#t~mem17.base, main_#t~mem17.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset; [L993] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L993] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L994] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L995] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L996] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L998] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1001] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~nondet1=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1001-L1009] assume !(0 != main_#t~nondet1); [L1001] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1010] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4); [L1011] call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(12); [L1011] call write~$Pointer$(main_#t~malloc5.base, main_#t~malloc5.offset, main_~x~0.base, main_~x~0.offset, 4); [L1012] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1012] call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem6.base, 4 + main_#t~mem6.offset, 4); [L1012] havoc main_#t~mem6.base, main_#t~mem6.offset; [L1013] call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1013] call write~int(2, main_#t~mem7.base, 8 + main_#t~mem7.offset, 4); [L1013] havoc main_#t~mem7.base, main_#t~mem7.offset; [L1015] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1017] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019] call main_#t~mem8 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem8=1, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019-L1023] assume !(1 != main_#t~mem8); [L1019] havoc main_#t~mem8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem11=1, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] assume !!(1 == main_#t~mem11); [L1024] havoc main_#t~mem11; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1025] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1025] main_~x~0.base, main_~x~0.offset := main_#t~mem12.base, main_#t~mem12.offset; [L1025] havoc main_#t~mem12.base, main_#t~mem12.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] call main_#t~mem13 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem13=2, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] assume !(2 != main_#t~mem13); [L1026] havoc main_#t~mem13; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet1, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem9, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem8, main_#t~mem11, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem14, main_#t~mem16, main_#t~mem17.base, main_#t~mem17.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset; [L993] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L993] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L994] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L995] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L996] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L998] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1001] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~nondet1=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1001-L1009] assume !(0 != main_#t~nondet1); [L1001] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1010] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4); [L1011] call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(12); [L1011] call write~$Pointer$(main_#t~malloc5.base, main_#t~malloc5.offset, main_~x~0.base, main_~x~0.offset, 4); [L1012] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1012] call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem6.base, 4 + main_#t~mem6.offset, 4); [L1012] havoc main_#t~mem6.base, main_#t~mem6.offset; [L1013] call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1013] call write~int(2, main_#t~mem7.base, 8 + main_#t~mem7.offset, 4); [L1013] havoc main_#t~mem7.base, main_#t~mem7.offset; [L1015] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1017] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019] call main_#t~mem8 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem8=1, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019-L1023] assume !(1 != main_#t~mem8); [L1019] havoc main_#t~mem8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem11=1, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] assume !!(1 == main_#t~mem11); [L1024] havoc main_#t~mem11; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1025] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1025] main_~x~0.base, main_~x~0.offset := main_#t~mem12.base, main_#t~mem12.offset; [L1025] havoc main_#t~mem12.base, main_#t~mem12.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] call main_#t~mem13 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem13=2, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] assume !(2 != main_#t~mem13); [L1026] havoc main_#t~mem13; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet1, main_#t~malloc5, main_#t~mem6, main_#t~mem7, main_#t~mem9, main_#t~mem10, main_#t~mem8, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_~head~0, main_~x~0; [L993] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L993] main_~head~0 := main_#t~malloc0; [L994] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L995] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L996] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L998] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1001] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~nondet1=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1001-L1009] COND TRUE !(0 != main_#t~nondet1) [L1001] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1010] FCALL call write~int(1, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1011] FCALL call main_#t~malloc5 := #Ultimate.alloc(12); [L1011] FCALL call write~$Pointer$(main_#t~malloc5, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1012] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$(main_~x~0, { base: main_#t~mem6!base, offset: 4 + main_#t~mem6!offset }, 4); [L1012] havoc main_#t~mem6; [L1013] FCALL call main_#t~mem7 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1013] FCALL call write~int(2, { base: main_#t~mem7!base, offset: 8 + main_#t~mem7!offset }, 4); [L1013] havoc main_#t~mem7; [L1015] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1017] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019] FCALL call main_#t~mem8 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem8=1, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019-L1023] COND TRUE !(1 != main_#t~mem8) [L1019] havoc main_#t~mem8; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] FCALL call main_#t~mem11 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem11=1, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] COND FALSE !(!(1 == main_#t~mem11)) [L1024] havoc main_#t~mem11; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1025] FCALL call main_#t~mem12 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1025] main_~x~0 := main_#t~mem12; [L1025] havoc main_#t~mem12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] FCALL call main_#t~mem13 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem13=2, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] COND TRUE !(2 != main_#t~mem13) [L1026] havoc main_#t~mem13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet1, main_#t~malloc5, main_#t~mem6, main_#t~mem7, main_#t~mem9, main_#t~mem10, main_#t~mem8, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_~head~0, main_~x~0; [L993] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L993] main_~head~0 := main_#t~malloc0; [L994] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L995] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L996] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L998] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1001] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~nondet1=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1001-L1009] COND TRUE !(0 != main_#t~nondet1) [L1001] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1010] FCALL call write~int(1, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1011] FCALL call main_#t~malloc5 := #Ultimate.alloc(12); [L1011] FCALL call write~$Pointer$(main_#t~malloc5, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1012] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$(main_~x~0, { base: main_#t~mem6!base, offset: 4 + main_#t~mem6!offset }, 4); [L1012] havoc main_#t~mem6; [L1013] FCALL call main_#t~mem7 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1013] FCALL call write~int(2, { base: main_#t~mem7!base, offset: 8 + main_#t~mem7!offset }, 4); [L1013] havoc main_#t~mem7; [L1015] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1017] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019] FCALL call main_#t~mem8 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem8=1, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019-L1023] COND TRUE !(1 != main_#t~mem8) [L1019] havoc main_#t~mem8; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] FCALL call main_#t~mem11 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem11=1, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] COND FALSE !(!(1 == main_#t~mem11)) [L1024] havoc main_#t~mem11; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1025] FCALL call main_#t~mem12 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1025] main_~x~0 := main_#t~mem12; [L1025] havoc main_#t~mem12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] FCALL call main_#t~mem13 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem13=2, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] COND TRUE !(2 != main_#t~mem13) [L1026] havoc main_#t~mem13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L993] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L993] ~head~0 := #t~malloc0; [L994] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L995] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L996] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L998] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1001] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L1001-L1009] COND TRUE !(0 != #t~nondet1) [L1001] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call #t~malloc5 := #Ultimate.alloc(12); [L1011] FCALL call write~$Pointer$(#t~malloc5, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call #t~mem6 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$(~x~0, { base: #t~mem6!base, offset: 4 + #t~mem6!offset }, 4); [L1012] havoc #t~mem6; [L1013] FCALL call #t~mem7 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1013] FCALL call write~int(2, { base: #t~mem7!base, offset: 8 + #t~mem7!offset }, 4); [L1013] havoc #t~mem7; [L1015] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1019] FCALL call #t~mem8 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1019-L1023] COND TRUE !(1 != #t~mem8) [L1019] havoc #t~mem8; VAL [#NULL!base=0, #NULL!offset=0] [L1024] FCALL call #t~mem11 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1024] COND FALSE !(!(1 == #t~mem11)) [L1024] havoc #t~mem11; VAL [#NULL!base=0, #NULL!offset=0] [L1025] FCALL call #t~mem12 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1025] ~x~0 := #t~mem12; [L1025] havoc #t~mem12; VAL [#NULL!base=0, #NULL!offset=0] [L1026] FCALL call #t~mem13 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1026] COND TRUE !(2 != #t~mem13) [L1026] havoc #t~mem13; VAL [#NULL!base=0, #NULL!offset=0] [L1026] 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; [L993] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L993] ~head~0 := #t~malloc0; [L994] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L995] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L996] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L998] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1001] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L1001-L1009] COND TRUE !(0 != #t~nondet1) [L1001] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call #t~malloc5 := #Ultimate.alloc(12); [L1011] FCALL call write~$Pointer$(#t~malloc5, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call #t~mem6 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$(~x~0, { base: #t~mem6!base, offset: 4 + #t~mem6!offset }, 4); [L1012] havoc #t~mem6; [L1013] FCALL call #t~mem7 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1013] FCALL call write~int(2, { base: #t~mem7!base, offset: 8 + #t~mem7!offset }, 4); [L1013] havoc #t~mem7; [L1015] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1019] FCALL call #t~mem8 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1019-L1023] COND TRUE !(1 != #t~mem8) [L1019] havoc #t~mem8; VAL [#NULL!base=0, #NULL!offset=0] [L1024] FCALL call #t~mem11 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1024] COND FALSE !(!(1 == #t~mem11)) [L1024] havoc #t~mem11; VAL [#NULL!base=0, #NULL!offset=0] [L1025] FCALL call #t~mem12 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1025] ~x~0 := #t~mem12; [L1025] havoc #t~mem12; VAL [#NULL!base=0, #NULL!offset=0] [L1026] FCALL call #t~mem13 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1026] COND TRUE !(2 != #t~mem13) [L1026] havoc #t~mem13; VAL [#NULL!base=0, #NULL!offset=0] [L1026] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L993] SLL* head = malloc(sizeof(SLL)); [L994] head->next = ((void*)0) [L995] head->prev = ((void*)0) [L996] head->data = 0 [L998] SLL* x = head; [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1010] x->data = 1 [L1011] x->next = malloc(sizeof(SLL)) [L1012] EXPR x->next [L1012] x->next->prev = x [L1013] EXPR x->next [L1013] x->next->data = 2 [L1015] x = head [L1017] COND FALSE !(!(((void*)0) != x)) [L1019] EXPR x->data [L1019] COND FALSE !(1 != x->data) [L1024] EXPR x->data [L1024] COND FALSE !(!(1 == x->data)) [L1025] EXPR x->next [L1025] x = x->next [L1026] EXPR x->data [L1026] COND TRUE !(2 != x->data) [L1026] __VERIFIER_error() ----- [2018-11-23 01:26:29,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:26:29 ImpRootNode [2018-11-23 01:26:29,557 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:26:29,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:26:29,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:26:29,566 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:26:29,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:28" (3/4) ... [2018-11-23 01:26:29,569 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~nondet1, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem9, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem8, main_#t~mem11, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem14, main_#t~mem16, main_#t~mem17.base, main_#t~mem17.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12);main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4);call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4);call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4);call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(12);call write~$Pointer$(main_#t~malloc5.base, main_#t~malloc5.offset, main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem6.base, 4 + main_#t~mem6.offset, 4);havoc main_#t~mem6.base, main_#t~mem6.offset;call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);call write~int(2, main_#t~mem7.base, 8 + main_#t~mem7.offset, 4);havoc main_#t~mem7.base, main_#t~mem7.offset;main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] call main_#t~mem8 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0, |ULTIMATE.start_main_#t~mem8|=1] [?] assume !(1 != main_#t~mem8);havoc main_#t~mem8; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0, |ULTIMATE.start_main_#t~mem11|=1] [?] assume !!(1 == main_#t~mem11);havoc main_#t~mem11; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] goto; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=3, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4);main_~x~0.base, main_~x~0.offset := main_#t~mem12.base, main_#t~mem12.offset;havoc main_#t~mem12.base, main_#t~mem12.offset; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] call main_#t~mem13 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0, |ULTIMATE.start_main_#t~mem13|=2] [?] assume !(2 != main_#t~mem13);havoc main_#t~mem13; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~head~0.base=3, ULTIMATE.start_main_~head~0.offset=0, ULTIMATE.start_main_~x~0.base=10, ULTIMATE.start_main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=3, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc5.base|=10, |ULTIMATE.start_main_#t~malloc5.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~nondet1, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem9, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem8, main_#t~mem11, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem14, main_#t~mem16, main_#t~mem17.base, main_#t~mem17.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset; [L993] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L993] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L994] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L995] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L996] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L998] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1001] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~nondet1=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1001-L1009] assume !(0 != main_#t~nondet1); [L1001] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1010] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4); [L1011] call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(12); [L1011] call write~$Pointer$(main_#t~malloc5.base, main_#t~malloc5.offset, main_~x~0.base, main_~x~0.offset, 4); [L1012] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1012] call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem6.base, 4 + main_#t~mem6.offset, 4); [L1012] havoc main_#t~mem6.base, main_#t~mem6.offset; [L1013] call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1013] call write~int(2, main_#t~mem7.base, 8 + main_#t~mem7.offset, 4); [L1013] havoc main_#t~mem7.base, main_#t~mem7.offset; [L1015] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1017] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019] call main_#t~mem8 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem8=1, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019-L1023] assume !(1 != main_#t~mem8); [L1019] havoc main_#t~mem8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem11=1, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] assume !!(1 == main_#t~mem11); [L1024] havoc main_#t~mem11; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1025] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1025] main_~x~0.base, main_~x~0.offset := main_#t~mem12.base, main_#t~mem12.offset; [L1025] havoc main_#t~mem12.base, main_#t~mem12.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] call main_#t~mem13 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem13=2, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] assume !(2 != main_#t~mem13); [L1026] havoc main_#t~mem13; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet1, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem9, main_#t~mem10.base, main_#t~mem10.offset, main_#t~mem8, main_#t~mem11, main_#t~mem12.base, main_#t~mem12.offset, main_#t~mem13, main_#t~mem15.base, main_#t~mem15.offset, main_#t~mem14, main_#t~mem16, main_#t~mem17.base, main_#t~mem17.offset, main_~head~0.base, main_~head~0.offset, main_~x~0.base, main_~x~0.offset; [L993] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(12); [L993] main_~head~0.base, main_~head~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; [L994] call write~$Pointer$(0, 0, main_~head~0.base, main_~head~0.offset, 4); [L995] call write~$Pointer$(0, 0, main_~head~0.base, 4 + main_~head~0.offset, 4); [L996] call write~int(0, main_~head~0.base, 8 + main_~head~0.offset, 4); [L998] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1001] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~nondet1=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1001-L1009] assume !(0 != main_#t~nondet1); [L1001] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1010] call write~int(1, main_~x~0.base, 8 + main_~x~0.offset, 4); [L1011] call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(12); [L1011] call write~$Pointer$(main_#t~malloc5.base, main_#t~malloc5.offset, main_~x~0.base, main_~x~0.offset, 4); [L1012] call main_#t~mem6.base, main_#t~mem6.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1012] call write~$Pointer$(main_~x~0.base, main_~x~0.offset, main_#t~mem6.base, 4 + main_#t~mem6.offset, 4); [L1012] havoc main_#t~mem6.base, main_#t~mem6.offset; [L1013] call main_#t~mem7.base, main_#t~mem7.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1013] call write~int(2, main_#t~mem7.base, 8 + main_#t~mem7.offset, 4); [L1013] havoc main_#t~mem7.base, main_#t~mem7.offset; [L1015] main_~x~0.base, main_~x~0.offset := main_~head~0.base, main_~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1017] assume !!(0 != main_~x~0.base || 0 != main_~x~0.offset); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019] call main_#t~mem8 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem8=1, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1019-L1023] assume !(1 != main_#t~mem8); [L1019] havoc main_#t~mem8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] call main_#t~mem11 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem11=1, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1024] assume !!(1 == main_#t~mem11); [L1024] havoc main_#t~mem11; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=3, main_~x~0.offset=0] [L1025] call main_#t~mem12.base, main_#t~mem12.offset := read~$Pointer$(main_~x~0.base, main_~x~0.offset, 4); [L1025] main_~x~0.base, main_~x~0.offset := main_#t~mem12.base, main_#t~mem12.offset; [L1025] havoc main_#t~mem12.base, main_#t~mem12.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] call main_#t~mem13 := read~int(main_~x~0.base, 8 + main_~x~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_#t~mem13=2, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] assume !(2 != main_#t~mem13); [L1026] havoc main_#t~mem13; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [L1026] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=3, main_#t~malloc0.offset=0, main_#t~malloc5.base=10, main_#t~malloc5.offset=0, main_~head~0.base=3, main_~head~0.offset=0, main_~x~0.base=10, main_~x~0.offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet1, main_#t~malloc5, main_#t~mem6, main_#t~mem7, main_#t~mem9, main_#t~mem10, main_#t~mem8, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_~head~0, main_~x~0; [L993] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L993] main_~head~0 := main_#t~malloc0; [L994] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L995] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L996] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L998] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1001] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~nondet1=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1001-L1009] COND TRUE !(0 != main_#t~nondet1) [L1001] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1010] FCALL call write~int(1, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1011] FCALL call main_#t~malloc5 := #Ultimate.alloc(12); [L1011] FCALL call write~$Pointer$(main_#t~malloc5, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1012] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$(main_~x~0, { base: main_#t~mem6!base, offset: 4 + main_#t~mem6!offset }, 4); [L1012] havoc main_#t~mem6; [L1013] FCALL call main_#t~mem7 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1013] FCALL call write~int(2, { base: main_#t~mem7!base, offset: 8 + main_#t~mem7!offset }, 4); [L1013] havoc main_#t~mem7; [L1015] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1017] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019] FCALL call main_#t~mem8 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem8=1, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019-L1023] COND TRUE !(1 != main_#t~mem8) [L1019] havoc main_#t~mem8; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] FCALL call main_#t~mem11 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem11=1, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] COND FALSE !(!(1 == main_#t~mem11)) [L1024] havoc main_#t~mem11; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1025] FCALL call main_#t~mem12 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1025] main_~x~0 := main_#t~mem12; [L1025] havoc main_#t~mem12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] FCALL call main_#t~mem13 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem13=2, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] COND TRUE !(2 != main_#t~mem13) [L1026] havoc main_#t~mem13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~malloc0, main_#t~malloc2, main_#t~mem3, main_#t~mem4, main_#t~nondet1, main_#t~malloc5, main_#t~mem6, main_#t~mem7, main_#t~mem9, main_#t~mem10, main_#t~mem8, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem15, main_#t~mem14, main_#t~mem16, main_#t~mem17, main_~head~0, main_~x~0; [L993] FCALL call main_#t~malloc0 := #Ultimate.alloc(12); [L993] main_~head~0 := main_#t~malloc0; [L994] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: main_~head~0!offset }, 4); [L995] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: main_~head~0!base, offset: 4 + main_~head~0!offset }, 4); [L996] FCALL call write~int(0, { base: main_~head~0!base, offset: 8 + main_~head~0!offset }, 4); [L998] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1001] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~nondet1=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1001-L1009] COND TRUE !(0 != main_#t~nondet1) [L1001] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1010] FCALL call write~int(1, { base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); [L1011] FCALL call main_#t~malloc5 := #Ultimate.alloc(12); [L1011] FCALL call write~$Pointer$(main_#t~malloc5, { base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1012] FCALL call main_#t~mem6 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$(main_~x~0, { base: main_#t~mem6!base, offset: 4 + main_#t~mem6!offset }, 4); [L1012] havoc main_#t~mem6; [L1013] FCALL call main_#t~mem7 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1013] FCALL call write~int(2, { base: main_#t~mem7!base, offset: 8 + main_#t~mem7!offset }, 4); [L1013] havoc main_#t~mem7; [L1015] main_~x~0 := main_~head~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1017] COND FALSE !(!({ base: 0, offset: 0 } != main_~x~0)) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019] FCALL call main_#t~mem8 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem8=1, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1019-L1023] COND TRUE !(1 != main_#t~mem8) [L1019] havoc main_#t~mem8; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] FCALL call main_#t~mem11 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem11=1, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1024] COND FALSE !(!(1 == main_#t~mem11)) [L1024] havoc main_#t~mem11; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=3, main_~x~0!offset=0] [L1025] FCALL call main_#t~mem12 := read~$Pointer$({ base: main_~x~0!base, offset: main_~x~0!offset }, 4); [L1025] main_~x~0 := main_#t~mem12; [L1025] havoc main_#t~mem12; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] FCALL call main_#t~mem13 := read~int({ base: main_~x~0!base, offset: 8 + main_~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_#t~mem13=2, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] COND TRUE !(2 != main_#t~mem13) [L1026] havoc main_#t~mem13; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [L1026] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=3, main_#t~malloc0!offset=0, main_#t~malloc5!base=10, main_#t~malloc5!offset=0, main_~head~0!base=3, main_~head~0!offset=0, main_~x~0!base=10, main_~x~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L993] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L993] ~head~0 := #t~malloc0; [L994] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L995] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L996] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L998] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1001] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L1001-L1009] COND TRUE !(0 != #t~nondet1) [L1001] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call #t~malloc5 := #Ultimate.alloc(12); [L1011] FCALL call write~$Pointer$(#t~malloc5, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call #t~mem6 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$(~x~0, { base: #t~mem6!base, offset: 4 + #t~mem6!offset }, 4); [L1012] havoc #t~mem6; [L1013] FCALL call #t~mem7 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1013] FCALL call write~int(2, { base: #t~mem7!base, offset: 8 + #t~mem7!offset }, 4); [L1013] havoc #t~mem7; [L1015] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1019] FCALL call #t~mem8 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1019-L1023] COND TRUE !(1 != #t~mem8) [L1019] havoc #t~mem8; VAL [#NULL!base=0, #NULL!offset=0] [L1024] FCALL call #t~mem11 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1024] COND FALSE !(!(1 == #t~mem11)) [L1024] havoc #t~mem11; VAL [#NULL!base=0, #NULL!offset=0] [L1025] FCALL call #t~mem12 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1025] ~x~0 := #t~mem12; [L1025] havoc #t~mem12; VAL [#NULL!base=0, #NULL!offset=0] [L1026] FCALL call #t~mem13 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1026] COND TRUE !(2 != #t~mem13) [L1026] havoc #t~mem13; VAL [#NULL!base=0, #NULL!offset=0] [L1026] 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; [L993] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L993] ~head~0 := #t~malloc0; [L994] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L995] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L996] FCALL call write~int(0, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L998] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1001] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L1001-L1009] COND TRUE !(0 != #t~nondet1) [L1001] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L1010] FCALL call write~int(1, { base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L1011] FCALL call #t~malloc5 := #Ultimate.alloc(12); [L1011] FCALL call write~$Pointer$(#t~malloc5, { base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call #t~mem6 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1012] FCALL call write~$Pointer$(~x~0, { base: #t~mem6!base, offset: 4 + #t~mem6!offset }, 4); [L1012] havoc #t~mem6; [L1013] FCALL call #t~mem7 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1013] FCALL call write~int(2, { base: #t~mem7!base, offset: 8 + #t~mem7!offset }, 4); [L1013] havoc #t~mem7; [L1015] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0] [L1017] COND FALSE !(!({ base: 0, offset: 0 } != ~x~0)) VAL [#NULL!base=0, #NULL!offset=0] [L1019] FCALL call #t~mem8 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1019-L1023] COND TRUE !(1 != #t~mem8) [L1019] havoc #t~mem8; VAL [#NULL!base=0, #NULL!offset=0] [L1024] FCALL call #t~mem11 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1024] COND FALSE !(!(1 == #t~mem11)) [L1024] havoc #t~mem11; VAL [#NULL!base=0, #NULL!offset=0] [L1025] FCALL call #t~mem12 := read~$Pointer$({ base: ~x~0!base, offset: ~x~0!offset }, 4); [L1025] ~x~0 := #t~mem12; [L1025] havoc #t~mem12; VAL [#NULL!base=0, #NULL!offset=0] [L1026] FCALL call #t~mem13 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L1026] COND TRUE !(2 != #t~mem13) [L1026] havoc #t~mem13; VAL [#NULL!base=0, #NULL!offset=0] [L1026] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L993] SLL* head = malloc(sizeof(SLL)); [L994] head->next = ((void*)0) [L995] head->prev = ((void*)0) [L996] head->data = 0 [L998] SLL* x = head; [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1010] x->data = 1 [L1011] x->next = malloc(sizeof(SLL)) [L1012] EXPR x->next [L1012] x->next->prev = x [L1013] EXPR x->next [L1013] x->next->data = 2 [L1015] x = head [L1017] COND FALSE !(!(((void*)0) != x)) [L1019] EXPR x->data [L1019] COND FALSE !(1 != x->data) [L1024] EXPR x->data [L1024] COND FALSE !(!(1 == x->data)) [L1025] EXPR x->next [L1025] x = x->next [L1026] EXPR x->data [L1026] COND TRUE !(2 != x->data) [L1026] __VERIFIER_error() ----- [2018-11-23 01:26:29,635 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04d23665-9ca4-44fb-8214-278d3fddffd3/bin-2019/ukojak/witness.graphml [2018-11-23 01:26:29,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:26:29,636 INFO L168 Benchmark]: Toolchain (without parser) took 2238.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.6 MB in the beginning and 883.3 MB in the end (delta: 73.2 MB). Peak memory consumption was 221.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:29,637 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:26:29,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:29,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:29,638 INFO L168 Benchmark]: Boogie Preprocessor took 20.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:29,639 INFO L168 Benchmark]: RCFGBuilder took 347.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:29,639 INFO L168 Benchmark]: CodeCheck took 1432.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.2 MB in the end (delta: 208.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:29,640 INFO L168 Benchmark]: Witness Printer took 77.92 ms. Allocated memory is still 1.2 GB. Free memory was 890.2 MB in the beginning and 883.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:26:29,642 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, 44 locations, 6 error locations. UNSAFE Result, 1.3s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1036 SDtfs, 358 SDslu, 698 SDs, 0 SdLazy, 1024 SolverSat, 452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 447 GetRequests, 400 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 1599 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2/2 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: 1026]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L993] SLL* head = malloc(sizeof(SLL)); [L994] head->next = ((void*)0) [L995] head->prev = ((void*)0) [L996] head->data = 0 [L998] SLL* x = head; [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1010] x->data = 1 [L1011] x->next = malloc(sizeof(SLL)) [L1012] EXPR x->next [L1012] x->next->prev = x [L1013] EXPR x->next [L1013] x->next->data = 2 [L1015] x = head [L1017] COND FALSE !(!(((void*)0) != x)) [L1019] EXPR x->data [L1019] COND FALSE !(1 != x->data) [L1024] EXPR x->data [L1024] COND FALSE !(!(1 == x->data)) [L1025] EXPR x->next [L1025] x = x->next [L1026] EXPR x->data [L1026] COND TRUE !(2 != x->data) [L1026] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 347.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * CodeCheck took 1432.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.2 MB in the end (delta: 208.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 11.5 GB. * Witness Printer took 77.92 ms. Allocated memory is still 1.2 GB. Free memory was 890.2 MB in the beginning and 883.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...