./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/alternating_list_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_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/alternating_list_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/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 981f9605b8ccc487ab91eaf7b6ca746d6b73f5da .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:43:36,947 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:43:36,948 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:43:36,955 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:43:36,955 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:43:36,956 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:43:36,956 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:43:36,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:43:36,958 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:43:36,959 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:43:36,960 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:43:36,960 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:43:36,960 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:43:36,961 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:43:36,962 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:43:36,962 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:43:36,963 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:43:36,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:43:36,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:43:36,966 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:43:36,967 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:43:36,968 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:43:36,969 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:43:36,970 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:43:36,970 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:43:36,970 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:43:36,971 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:43:36,971 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:43:36,972 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:43:36,973 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:43:36,973 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:43:36,973 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:43:36,974 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:43:36,974 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:43:36,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:43:36,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:43:36,975 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 09:43:36,985 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:43:36,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:43:36,985 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:43:36,986 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 09:43:36,986 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:43:36,986 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:43:36,986 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:43:36,986 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:43:36,987 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:43:36,987 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:43:36,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:43:36,987 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:43:36,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:43:36,988 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:43:36,988 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:43:36,988 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:43:36,988 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:43:36,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:43:36,988 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 09:43:36,988 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 09:43:36,989 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:43:36,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:43:36,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 09:43:36,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:43:36,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:43:36,989 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:43:36,989 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 09:43:36,989 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:43:36,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:43:36,990 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_95029110-91c9-4cd8-a0ad-8c568fd996fd/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 -> 981f9605b8ccc487ab91eaf7b6ca746d6b73f5da [2018-11-23 09:43:37,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:43:37,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:43:37,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:43:37,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:43:37,022 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:43:37,022 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/../../sv-benchmarks/c/list-properties/alternating_list_false-unreach-call_false-valid-memcleanup.i [2018-11-23 09:43:37,055 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/data/8023ab0b5/4ddb7878b77c4a04ad617463dd279b6f/FLAG65f9f1951 [2018-11-23 09:43:37,473 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:43:37,474 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/sv-benchmarks/c/list-properties/alternating_list_false-unreach-call_false-valid-memcleanup.i [2018-11-23 09:43:37,480 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/data/8023ab0b5/4ddb7878b77c4a04ad617463dd279b6f/FLAG65f9f1951 [2018-11-23 09:43:37,488 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/data/8023ab0b5/4ddb7878b77c4a04ad617463dd279b6f [2018-11-23 09:43:37,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:43:37,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:43:37,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:43:37,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:43:37,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:43:37,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,497 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 09:43:37, skipping insertion in model container [2018-11-23 09:43:37,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:43:37,530 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:43:37,700 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:43:37,708 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:43:37,777 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:43:37,806 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:43:37,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37 WrapperNode [2018-11-23 09:43:37,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:43:37,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:43:37,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:43:37,807 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:43:37,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:43:37,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:43:37,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:43:37,833 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:43:37,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... [2018-11-23 09:43:37,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:43:37,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:43:37,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:43:37,850 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:43:37,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/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 09:43:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:43:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 09:43:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 09:43:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-23 09:43:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 09:43:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 09:43:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 09:43:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 09:43:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:43:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:43:38,162 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:43:38,163 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 09:43:38,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:38 BoogieIcfgContainer [2018-11-23 09:43:38,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:43:38,163 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 09:43:38,164 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 09:43:38,170 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 09:43:38,170 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:38" (1/1) ... [2018-11-23 09:43:38,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:43:38,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-11-23 09:43:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-11-23 09:43:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 09:43:38,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:43:38,277 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 09:43:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-11-23 09:43:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-11-23 09:43:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 09:43:38,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:43:38,318 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 09:43:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2018-11-23 09:43:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2018-11-23 09:43:38,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 09:43:38,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:43:38,553 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 09:43:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2018-11-23 09:43:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2018-11-23 09:43:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 09:43:38,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:43:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:43:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:43:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:43:38,846 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 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~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem4, main_#t~mem9.base, main_#t~mem9.offset, main_~tmp~0.base, main_~tmp~0.offset, main_#t~mem8, main_~flag~0, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset;main_~flag~0 := 1;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1;BeginParallelComposition{ParallelCodeBlock0: assume 0 != main_~flag~0;call write~int(2, main_~p~0.base, main_~p~0.offset, 4);main_~flag~0 := 0;ParallelCodeBlock1: assume !(0 != main_~flag~0);call write~int(1, main_~p~0.base, main_~p~0.offset, 4);main_~flag~0 := 1;}EndParallelCompositioncall main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem3.base, main_#t~mem3.offset;havoc main_#t~mem3.base, main_#t~mem3.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=6, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=6, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=6, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call write~int(3, main_~p~0.base, main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~flag~0 := 1; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem4|=2] [?] assume !!(3 != main_#t~mem4);havoc main_#t~mem4; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume 0 != main_~flag~0;main_~flag~0 := 0;call main_#t~mem5 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem5|=2] [?] assume 1 != main_#t~mem5;havoc main_#t~mem5; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem4, main_#t~mem9.base, main_#t~mem9.offset, main_~tmp~0.base, main_~tmp~0.offset, main_#t~mem8, main_~flag~0, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset; [L627] main_~flag~0 := 1; [L628] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(8); [L628] main_~a~0.base, main_~a~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1] [L629] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1] [L630] havoc main_~t~0.base, main_~t~0.offset; [L631] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0] [L632-L644] assume !!(0 != main_#t~nondet1); [L632] havoc main_#t~nondet1; [L633-L639] assume 0 != main_~flag~0; [L634] call write~int(2, main_~p~0.base, main_~p~0.offset, 4); [L635] main_~flag~0 := 0; [L640] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(8); [L640] main_~t~0.base, main_~t~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L641] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L642] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4); [L643] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4); [L643] main_~p~0.base, main_~p~0.offset := main_#t~mem3.base, main_#t~mem3.offset; [L643] havoc main_#t~mem3.base, main_#t~mem3.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L632-L644] assume !(0 != main_#t~nondet1); [L632] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L645] call write~int(3, main_~p~0.base, main_~p~0.offset, 4); [L646] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; [L647] main_~flag~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L648] call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~mem4=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L648-L659] assume !!(3 != main_#t~mem4); [L648] havoc main_#t~mem4; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L649-L657] assume 0 != main_~flag~0; [L650] main_~flag~0 := 0; [L651] call main_#t~mem5 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~mem5=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L651-L652] assume 1 != main_#t~mem5; [L651] havoc main_#t~mem5; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L668] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~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~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem4, main_#t~mem9.base, main_#t~mem9.offset, main_~tmp~0.base, main_~tmp~0.offset, main_#t~mem8, main_~flag~0, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset; [L627] main_~flag~0 := 1; [L628] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(8); [L628] main_~a~0.base, main_~a~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1] [L629] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1] [L630] havoc main_~t~0.base, main_~t~0.offset; [L631] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0] [L632-L644] assume !!(0 != main_#t~nondet1); [L632] havoc main_#t~nondet1; [L633-L639] assume 0 != main_~flag~0; [L634] call write~int(2, main_~p~0.base, main_~p~0.offset, 4); [L635] main_~flag~0 := 0; [L640] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(8); [L640] main_~t~0.base, main_~t~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L641] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L642] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4); [L643] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4); [L643] main_~p~0.base, main_~p~0.offset := main_#t~mem3.base, main_#t~mem3.offset; [L643] havoc main_#t~mem3.base, main_#t~mem3.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L632-L644] assume !(0 != main_#t~nondet1); [L632] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L645] call write~int(3, main_~p~0.base, main_~p~0.offset, 4); [L646] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; [L647] main_~flag~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L648] call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~mem4=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L648-L659] assume !!(3 != main_#t~mem4); [L648] havoc main_#t~mem4; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L649-L657] assume 0 != main_~flag~0; [L650] main_~flag~0 := 0; [L651] call main_#t~mem5 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~mem5=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L651-L652] assume 1 != main_#t~mem5; [L651] havoc main_#t~mem5; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L668] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~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~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem4, main_#t~mem9, main_~tmp~0, main_#t~mem8, main_~flag~0, main_~a~0, main_~t~0, main_~p~0; [L627] main_~flag~0 := 1; [L628] FCALL call main_#t~malloc0 := #Ultimate.alloc(8); [L628] main_~a~0 := main_#t~malloc0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1] [L629] COND FALSE !(main_~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1] [L630] havoc main_~t~0; [L631] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0] [L632-L644] COND FALSE !(!(0 != main_#t~nondet1)) [L632] havoc main_#t~nondet1; [L633-L639] COND TRUE 0 != main_~flag~0 [L634] FCALL call write~int(2, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L635] main_~flag~0 := 0; [L640] FCALL call main_#t~malloc2 := #Ultimate.alloc(8); [L640] main_~t~0 := main_#t~malloc2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L641] COND FALSE !(main_~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L642] FCALL call write~$Pointer$(main_~t~0, { base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L643] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L643] main_~p~0 := main_#t~mem3; [L643] havoc main_#t~mem3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L632-L644] COND TRUE !(0 != main_#t~nondet1) [L632] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L645] FCALL call write~int(3, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L646] main_~p~0 := main_~a~0; [L647] main_~flag~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L648] FCALL call main_#t~mem4 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~mem4=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L648-L659] COND FALSE !(!(3 != main_#t~mem4)) [L648] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L649-L657] COND TRUE 0 != main_~flag~0 [L650] main_~flag~0 := 0; [L651] FCALL call main_#t~mem5 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~mem5=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L651] COND TRUE 1 != main_#t~mem5 [L651] havoc main_#t~mem5; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L668] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~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~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem4, main_#t~mem9, main_~tmp~0, main_#t~mem8, main_~flag~0, main_~a~0, main_~t~0, main_~p~0; [L627] main_~flag~0 := 1; [L628] FCALL call main_#t~malloc0 := #Ultimate.alloc(8); [L628] main_~a~0 := main_#t~malloc0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1] [L629] COND FALSE !(main_~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1] [L630] havoc main_~t~0; [L631] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0] [L632-L644] COND FALSE !(!(0 != main_#t~nondet1)) [L632] havoc main_#t~nondet1; [L633-L639] COND TRUE 0 != main_~flag~0 [L634] FCALL call write~int(2, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L635] main_~flag~0 := 0; [L640] FCALL call main_#t~malloc2 := #Ultimate.alloc(8); [L640] main_~t~0 := main_#t~malloc2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L641] COND FALSE !(main_~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L642] FCALL call write~$Pointer$(main_~t~0, { base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L643] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L643] main_~p~0 := main_#t~mem3; [L643] havoc main_#t~mem3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L632-L644] COND TRUE !(0 != main_#t~nondet1) [L632] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L645] FCALL call write~int(3, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L646] main_~p~0 := main_~a~0; [L647] main_~flag~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L648] FCALL call main_#t~mem4 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~mem4=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L648-L659] COND FALSE !(!(3 != main_#t~mem4)) [L648] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L649-L657] COND TRUE 0 != main_~flag~0 [L650] main_~flag~0 := 0; [L651] FCALL call main_#t~mem5 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~mem5=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L651] COND TRUE 1 != main_#t~mem5 [L651] havoc main_#t~mem5; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L668] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L627] ~flag~0 := 1; [L628] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L628] ~a~0 := #t~malloc0; VAL [#NULL!base=0, #NULL!offset=0] [L629] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L630] havoc ~t~0; [L631] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L644] COND FALSE !(!(0 != #t~nondet1)) [L632] havoc #t~nondet1; [L633-L639] COND TRUE 0 != ~flag~0 [L634] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L635] ~flag~0 := 0; [L640] FCALL call #t~malloc2 := #Ultimate.alloc(8); [L640] ~t~0 := #t~malloc2; VAL [#NULL!base=0, #NULL!offset=0] [L641] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L642] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L643] FCALL call #t~mem3 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L643] ~p~0 := #t~mem3; [L643] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L644] COND TRUE !(0 != #t~nondet1) [L632] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L645] FCALL call write~int(3, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L646] ~p~0 := ~a~0; [L647] ~flag~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L648] FCALL call #t~mem4 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L648-L659] COND FALSE !(!(3 != #t~mem4)) [L648] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0] [L649-L657] COND TRUE 0 != ~flag~0 [L650] ~flag~0 := 0; [L651] FCALL call #t~mem5 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L651] COND TRUE 1 != #t~mem5 [L651] havoc #t~mem5; VAL [#NULL!base=0, #NULL!offset=0] [L668] 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; [L627] ~flag~0 := 1; [L628] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L628] ~a~0 := #t~malloc0; VAL [#NULL!base=0, #NULL!offset=0] [L629] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L630] havoc ~t~0; [L631] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L644] COND FALSE !(!(0 != #t~nondet1)) [L632] havoc #t~nondet1; [L633-L639] COND TRUE 0 != ~flag~0 [L634] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L635] ~flag~0 := 0; [L640] FCALL call #t~malloc2 := #Ultimate.alloc(8); [L640] ~t~0 := #t~malloc2; VAL [#NULL!base=0, #NULL!offset=0] [L641] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L642] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L643] FCALL call #t~mem3 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L643] ~p~0 := #t~mem3; [L643] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L644] COND TRUE !(0 != #t~nondet1) [L632] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L645] FCALL call write~int(3, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L646] ~p~0 := ~a~0; [L647] ~flag~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L648] FCALL call #t~mem4 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L648-L659] COND FALSE !(!(3 != #t~mem4)) [L648] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0] [L649-L657] COND TRUE 0 != ~flag~0 [L650] ~flag~0 := 0; [L651] FCALL call #t~mem5 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L651] COND TRUE 1 != #t~mem5 [L651] havoc #t~mem5; VAL [#NULL!base=0, #NULL!offset=0] [L668] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L627] int flag = 1; [L628] List a = (List) malloc(sizeof(struct node)); [L629] COND FALSE !(a == 0) [L630] List t; [L631] List p = a; [L632] COND TRUE __VERIFIER_nondet_int() [L633] COND TRUE \read(flag) [L634] p->h = 2 [L635] flag = 0 [L640] t = (List) malloc(sizeof(struct node)) [L641] COND FALSE !(t == 0) [L642] p->n = t [L643] EXPR p->n [L643] p = p->n [L632] COND FALSE !(__VERIFIER_nondet_int()) [L645] p->h = 3 [L646] p = a [L647] flag = 1 [L648] EXPR p->h [L648] COND TRUE p->h != 3 [L649] COND TRUE \read(flag) [L650] flag = 0 [L651] EXPR p->h [L651] COND TRUE p->h != 1 [L668] __VERIFIER_error() ----- [2018-11-23 09:43:38,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 09:43:38 ImpRootNode [2018-11-23 09:43:38,891 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 09:43:38,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:43:38,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:43:38,892 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:43:38,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:38" (3/4) ... [2018-11-23 09:43:38,894 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~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem4, main_#t~mem9.base, main_#t~mem9.offset, main_~tmp~0.base, main_~tmp~0.offset, main_#t~mem8, main_~flag~0, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset;main_~flag~0 := 1;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~nondet1|=(- 1)] [?] assume !!(0 != main_#t~nondet1);havoc main_#t~nondet1;BeginParallelComposition{ParallelCodeBlock0: assume 0 != main_~flag~0;call write~int(2, main_~p~0.base, main_~p~0.offset, 4);main_~flag~0 := 0;ParallelCodeBlock1: assume !(0 != main_~flag~0);call write~int(1, main_~p~0.base, main_~p~0.offset, 4);main_~flag~0 := 1;}EndParallelCompositioncall main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem3.base, main_#t~mem3.offset;havoc main_#t~mem3.base, main_#t~mem3.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=6, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=6, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~nondet1|=0] [?] assume !(0 != main_#t~nondet1);havoc main_#t~nondet1; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=6, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call write~int(3, main_~p~0.base, main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~flag~0 := 1; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem4|=2] [?] assume !!(3 != main_#t~mem4);havoc main_#t~mem4; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=1, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume 0 != main_~flag~0;main_~flag~0 := 0;call main_#t~mem5 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0, |ULTIMATE.start_main_#t~mem5|=2] [?] assume 1 != main_#t~mem5;havoc main_#t~mem5; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=6, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc0.base|=5, |ULTIMATE.start_main_#t~malloc0.offset|=0, |ULTIMATE.start_main_#t~malloc2.base|=6, |ULTIMATE.start_main_#t~malloc2.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~mem3.base, main_#t~mem3.offset, main_#t~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem4, main_#t~mem9.base, main_#t~mem9.offset, main_~tmp~0.base, main_~tmp~0.offset, main_#t~mem8, main_~flag~0, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset; [L627] main_~flag~0 := 1; [L628] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(8); [L628] main_~a~0.base, main_~a~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1] [L629] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1] [L630] havoc main_~t~0.base, main_~t~0.offset; [L631] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0] [L632-L644] assume !!(0 != main_#t~nondet1); [L632] havoc main_#t~nondet1; [L633-L639] assume 0 != main_~flag~0; [L634] call write~int(2, main_~p~0.base, main_~p~0.offset, 4); [L635] main_~flag~0 := 0; [L640] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(8); [L640] main_~t~0.base, main_~t~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L641] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L642] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4); [L643] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4); [L643] main_~p~0.base, main_~p~0.offset := main_#t~mem3.base, main_#t~mem3.offset; [L643] havoc main_#t~mem3.base, main_#t~mem3.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L632-L644] assume !(0 != main_#t~nondet1); [L632] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L645] call write~int(3, main_~p~0.base, main_~p~0.offset, 4); [L646] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; [L647] main_~flag~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L648] call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~mem4=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L648-L659] assume !!(3 != main_#t~mem4); [L648] havoc main_#t~mem4; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L649-L657] assume 0 != main_~flag~0; [L650] main_~flag~0 := 0; [L651] call main_#t~mem5 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~mem5=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L651-L652] assume 1 != main_#t~mem5; [L651] havoc main_#t~mem5; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L668] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~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~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7.base, main_#t~mem7.offset, main_#t~mem4, main_#t~mem9.base, main_#t~mem9.offset, main_~tmp~0.base, main_~tmp~0.offset, main_#t~mem8, main_~flag~0, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset; [L627] main_~flag~0 := 1; [L628] call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc(8); [L628] main_~a~0.base, main_~a~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1] [L629] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1] [L630] havoc main_~t~0.base, main_~t~0.offset; [L631] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~nondet1=-1, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0] [L632-L644] assume !!(0 != main_#t~nondet1); [L632] havoc main_#t~nondet1; [L633-L639] assume 0 != main_~flag~0; [L634] call write~int(2, main_~p~0.base, main_~p~0.offset, 4); [L635] main_~flag~0 := 0; [L640] call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(8); [L640] main_~t~0.base, main_~t~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L641] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L642] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4); [L643] call main_#t~mem3.base, main_#t~mem3.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4); [L643] main_~p~0.base, main_~p~0.offset := main_#t~mem3.base, main_#t~mem3.offset; [L643] havoc main_#t~mem3.base, main_#t~mem3.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~nondet1=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L632-L644] assume !(0 != main_#t~nondet1); [L632] havoc main_#t~nondet1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=6, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L645] call write~int(3, main_~p~0.base, main_~p~0.offset, 4); [L646] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; [L647] main_~flag~0 := 1; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L648] call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~mem4=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L648-L659] assume !!(3 != main_#t~mem4); [L648] havoc main_#t~mem4; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=1, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L649-L657] assume 0 != main_~flag~0; [L650] main_~flag~0 := 0; [L651] call main_#t~mem5 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_#t~mem5=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L651-L652] assume 1 != main_#t~mem5; [L651] havoc main_#t~mem5; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~0.offset=0] [L668] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc0.base=5, main_#t~malloc0.offset=0, main_#t~malloc2.base=6, main_#t~malloc2.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=6, main_~t~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~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem4, main_#t~mem9, main_~tmp~0, main_#t~mem8, main_~flag~0, main_~a~0, main_~t~0, main_~p~0; [L627] main_~flag~0 := 1; [L628] FCALL call main_#t~malloc0 := #Ultimate.alloc(8); [L628] main_~a~0 := main_#t~malloc0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1] [L629] COND FALSE !(main_~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1] [L630] havoc main_~t~0; [L631] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0] [L632-L644] COND FALSE !(!(0 != main_#t~nondet1)) [L632] havoc main_#t~nondet1; [L633-L639] COND TRUE 0 != main_~flag~0 [L634] FCALL call write~int(2, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L635] main_~flag~0 := 0; [L640] FCALL call main_#t~malloc2 := #Ultimate.alloc(8); [L640] main_~t~0 := main_#t~malloc2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L641] COND FALSE !(main_~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L642] FCALL call write~$Pointer$(main_~t~0, { base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L643] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L643] main_~p~0 := main_#t~mem3; [L643] havoc main_#t~mem3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L632-L644] COND TRUE !(0 != main_#t~nondet1) [L632] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L645] FCALL call write~int(3, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L646] main_~p~0 := main_~a~0; [L647] main_~flag~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L648] FCALL call main_#t~mem4 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~mem4=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L648-L659] COND FALSE !(!(3 != main_#t~mem4)) [L648] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L649-L657] COND TRUE 0 != main_~flag~0 [L650] main_~flag~0 := 0; [L651] FCALL call main_#t~mem5 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~mem5=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L651] COND TRUE 1 != main_#t~mem5 [L651] havoc main_#t~mem5; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L668] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~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~nondet1, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem4, main_#t~mem9, main_~tmp~0, main_#t~mem8, main_~flag~0, main_~a~0, main_~t~0, main_~p~0; [L627] main_~flag~0 := 1; [L628] FCALL call main_#t~malloc0 := #Ultimate.alloc(8); [L628] main_~a~0 := main_#t~malloc0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1] [L629] COND FALSE !(main_~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1] [L630] havoc main_~t~0; [L631] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~nondet1=-1, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0] [L632-L644] COND FALSE !(!(0 != main_#t~nondet1)) [L632] havoc main_#t~nondet1; [L633-L639] COND TRUE 0 != main_~flag~0 [L634] FCALL call write~int(2, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L635] main_~flag~0 := 0; [L640] FCALL call main_#t~malloc2 := #Ultimate.alloc(8); [L640] main_~t~0 := main_#t~malloc2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L641] COND FALSE !(main_~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L642] FCALL call write~$Pointer$(main_~t~0, { base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L643] FCALL call main_#t~mem3 := read~$Pointer$({ base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L643] main_~p~0 := main_#t~mem3; [L643] havoc main_#t~mem3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~nondet1=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L632-L644] COND TRUE !(0 != main_#t~nondet1) [L632] havoc main_#t~nondet1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=6, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L645] FCALL call write~int(3, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L646] main_~p~0 := main_~a~0; [L647] main_~flag~0 := 1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L648] FCALL call main_#t~mem4 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~mem4=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L648-L659] COND FALSE !(!(3 != main_#t~mem4)) [L648] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=1, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L649-L657] COND TRUE 0 != main_~flag~0 [L650] main_~flag~0 := 0; [L651] FCALL call main_#t~mem5 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_#t~mem5=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L651] COND TRUE 1 != main_#t~mem5 [L651] havoc main_#t~mem5; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [L668] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc0!base=5, main_#t~malloc0!offset=0, main_#t~malloc2!base=6, main_#t~malloc2!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=6, main_~t~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L627] ~flag~0 := 1; [L628] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L628] ~a~0 := #t~malloc0; VAL [#NULL!base=0, #NULL!offset=0] [L629] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L630] havoc ~t~0; [L631] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L644] COND FALSE !(!(0 != #t~nondet1)) [L632] havoc #t~nondet1; [L633-L639] COND TRUE 0 != ~flag~0 [L634] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L635] ~flag~0 := 0; [L640] FCALL call #t~malloc2 := #Ultimate.alloc(8); [L640] ~t~0 := #t~malloc2; VAL [#NULL!base=0, #NULL!offset=0] [L641] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L642] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L643] FCALL call #t~mem3 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L643] ~p~0 := #t~mem3; [L643] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L644] COND TRUE !(0 != #t~nondet1) [L632] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L645] FCALL call write~int(3, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L646] ~p~0 := ~a~0; [L647] ~flag~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L648] FCALL call #t~mem4 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L648-L659] COND FALSE !(!(3 != #t~mem4)) [L648] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0] [L649-L657] COND TRUE 0 != ~flag~0 [L650] ~flag~0 := 0; [L651] FCALL call #t~mem5 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L651] COND TRUE 1 != #t~mem5 [L651] havoc #t~mem5; VAL [#NULL!base=0, #NULL!offset=0] [L668] 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; [L627] ~flag~0 := 1; [L628] FCALL call #t~malloc0 := #Ultimate.alloc(8); [L628] ~a~0 := #t~malloc0; VAL [#NULL!base=0, #NULL!offset=0] [L629] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L630] havoc ~t~0; [L631] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L644] COND FALSE !(!(0 != #t~nondet1)) [L632] havoc #t~nondet1; [L633-L639] COND TRUE 0 != ~flag~0 [L634] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L635] ~flag~0 := 0; [L640] FCALL call #t~malloc2 := #Ultimate.alloc(8); [L640] ~t~0 := #t~malloc2; VAL [#NULL!base=0, #NULL!offset=0] [L641] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L642] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L643] FCALL call #t~mem3 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L643] ~p~0 := #t~mem3; [L643] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L644] COND TRUE !(0 != #t~nondet1) [L632] havoc #t~nondet1; VAL [#NULL!base=0, #NULL!offset=0] [L645] FCALL call write~int(3, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L646] ~p~0 := ~a~0; [L647] ~flag~0 := 1; VAL [#NULL!base=0, #NULL!offset=0] [L648] FCALL call #t~mem4 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L648-L659] COND FALSE !(!(3 != #t~mem4)) [L648] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0] [L649-L657] COND TRUE 0 != ~flag~0 [L650] ~flag~0 := 0; [L651] FCALL call #t~mem5 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L651] COND TRUE 1 != #t~mem5 [L651] havoc #t~mem5; VAL [#NULL!base=0, #NULL!offset=0] [L668] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L627] int flag = 1; [L628] List a = (List) malloc(sizeof(struct node)); [L629] COND FALSE !(a == 0) [L630] List t; [L631] List p = a; [L632] COND TRUE __VERIFIER_nondet_int() [L633] COND TRUE \read(flag) [L634] p->h = 2 [L635] flag = 0 [L640] t = (List) malloc(sizeof(struct node)) [L641] COND FALSE !(t == 0) [L642] p->n = t [L643] EXPR p->n [L643] p = p->n [L632] COND FALSE !(__VERIFIER_nondet_int()) [L645] p->h = 3 [L646] p = a [L647] flag = 1 [L648] EXPR p->h [L648] COND TRUE p->h != 3 [L649] COND TRUE \read(flag) [L650] flag = 0 [L651] EXPR p->h [L651] COND TRUE p->h != 1 [L668] __VERIFIER_error() ----- [2018-11-23 09:43:38,945 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_95029110-91c9-4cd8-a0ad-8c568fd996fd/bin-2019/ukojak/witness.graphml [2018-11-23 09:43:38,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:43:38,946 INFO L168 Benchmark]: Toolchain (without parser) took 1455.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -56.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:38,947 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:43:38,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:38,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.38 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 09:43:38,948 INFO L168 Benchmark]: Boogie Preprocessor took 16.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:43:38,949 INFO L168 Benchmark]: RCFGBuilder took 313.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:38,949 INFO L168 Benchmark]: CodeCheck took 727.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:38,949 INFO L168 Benchmark]: Witness Printer took 53.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:38,952 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 32 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 110 SDtfs, 30 SDslu, 32 SDs, 0 SdLazy, 72 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 209 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 1131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 668]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L627] int flag = 1; [L628] List a = (List) malloc(sizeof(struct node)); [L629] COND FALSE !(a == 0) [L630] List t; [L631] List p = a; [L632] COND TRUE __VERIFIER_nondet_int() [L633] COND TRUE \read(flag) [L634] p->h = 2 [L635] flag = 0 [L640] t = (List) malloc(sizeof(struct node)) [L641] COND FALSE !(t == 0) [L642] p->n = t [L643] EXPR p->n [L643] p = p->n [L632] COND FALSE !(__VERIFIER_nondet_int()) [L645] p->h = 3 [L646] p = a [L647] flag = 1 [L648] EXPR p->h [L648] COND TRUE p->h != 3 [L649] COND TRUE \read(flag) [L650] flag = 0 [L651] EXPR p->h [L651] COND TRUE p->h != 1 [L668] __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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.38 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 16.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 313.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * CodeCheck took 727.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. * Witness Printer took 53.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 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...