./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/splice_true-unreach-call_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bab7ebbfb2d1b8a4018ae99e314147bb3726df4b ....................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bab7ebbfb2d1b8a4018ae99e314147bb3726df4b .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:04:41,918 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:04:41,919 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:04:41,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:04:41,926 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:04:41,926 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:04:41,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:04:41,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:04:41,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:04:41,929 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:04:41,930 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:04:41,930 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:04:41,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:04:41,931 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:04:41,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:04:41,932 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:04:41,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:04:41,933 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:04:41,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:04:41,935 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:04:41,936 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:04:41,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:04:41,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:04:41,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:04:41,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:04:41,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:04:41,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:04:41,939 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:04:41,940 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:04:41,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:04:41,941 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:04:41,941 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:04:41,941 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:04:41,941 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:04:41,942 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:04:41,942 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:04:41,943 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 18:04:41,950 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:04:41,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:04:41,951 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:04:41,951 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:04:41,951 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:04:41,951 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:04:41,951 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 18:04:41,951 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:04:41,951 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:04:41,952 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:04:41,952 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 18:04:41,952 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 18:04:41,952 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 18:04:41,952 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:04:41,952 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:04:41,952 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:04:41,952 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 18:04:41,953 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 18:04:41,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:04:41,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:04:41,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 18:04:41,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:04:41,953 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:04:41,953 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 18:04:41,953 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:04:41,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_642828fd-44c9-4049-a941-2ca45e110321/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> bab7ebbfb2d1b8a4018ae99e314147bb3726df4b [2018-12-08 18:04:41,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:04:41,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:04:41,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:04:41,985 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:04:41,985 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:04:41,986 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/../../sv-benchmarks/c/list-properties/splice_true-unreach-call_false-valid-memtrack.i [2018-12-08 18:04:42,024 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data/8f306c57b/e5f937fd698241c9a2b785876cbde265/FLAG1d1a11a08 [2018-12-08 18:04:42,476 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:04:42,477 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/sv-benchmarks/c/list-properties/splice_true-unreach-call_false-valid-memtrack.i [2018-12-08 18:04:42,482 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data/8f306c57b/e5f937fd698241c9a2b785876cbde265/FLAG1d1a11a08 [2018-12-08 18:04:42,490 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data/8f306c57b/e5f937fd698241c9a2b785876cbde265 [2018-12-08 18:04:42,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:04:42,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:04:42,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:04:42,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:04:42,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:04:42,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e809d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42, skipping insertion in model container [2018-12-08 18:04:42,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:04:42,519 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:04:42,660 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:04:42,666 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:04:42,724 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:04:42,743 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:04:42,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42 WrapperNode [2018-12-08 18:04:42,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:04:42,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:04:42,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:04:42,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:04:42,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:04:42,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:04:42,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:04:42,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:04:42,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... [2018-12-08 18:04:42,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:04:42,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:04:42,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:04:42,789 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:04:42,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/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 [2018-12-08 18:04:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:04:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 18:04:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 18:04:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 18:04:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 18:04:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:04:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:04:43,078 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:04:43,079 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 18:04:43,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:43 BoogieIcfgContainer [2018-12-08 18:04:43,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:04:43,079 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 18:04:43,080 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 18:04:43,089 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 18:04:43,089 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:43" (1/1) ... [2018-12-08 18:04:43,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-12-08 18:04:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-12-08 18:04:43,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 18:04:43,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2018-12-08 18:04:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2018-12-08 18:04:43,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:04:43,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2018-12-08 18:04:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2018-12-08 18:04:43,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:04:43,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 69 states and 84 transitions. [2018-12-08 18:04:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2018-12-08 18:04:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 18:04:43,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 91 transitions. [2018-12-08 18:04:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2018-12-08 18:04:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 18:04:43,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 77 states and 98 transitions. [2018-12-08 18:04:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2018-12-08 18:04:43,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 18:04:43,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 79 states and 101 transitions. [2018-12-08 18:04:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2018-12-08 18:04:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 18:04:43,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2018-12-08 18:04:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2018-12-08 18:04:43,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 18:04:43,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 84 states and 111 transitions. [2018-12-08 18:04:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2018-12-08 18:04:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 18:04:44,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2018-12-08 18:04:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2018-12-08 18:04:44,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 18:04:44,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:44,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 87 states and 118 transitions. [2018-12-08 18:04:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2018-12-08 18:04:44,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 18:04:44,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:04:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:04:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:04:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:04:44,153 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-12-08 18:04:44,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 06:04:44 ImpRootNode [2018-12-08 18:04:44,170 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 18:04:44,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:04:44,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:04:44,171 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:04:44,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:43" (3/4) ... [2018-12-08 18:04:44,173 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 18:04:44,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:04:44,174 INFO L168 Benchmark]: Toolchain (without parser) took 1682.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.1 MB in the beginning and 841.1 MB in the end (delta: 115.9 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:44,175 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:04:44,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:44,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:44,176 INFO L168 Benchmark]: Boogie Preprocessor took 17.87 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. [2018-12-08 18:04:44,177 INFO L168 Benchmark]: RCFGBuilder took 290.64 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:44,177 INFO L168 Benchmark]: CodeCheck took 1090.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.1 MB in the end (delta: 220.6 MB). Peak memory consumption was 220.6 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:44,178 INFO L168 Benchmark]: Witness Printer took 3.35 ms. Allocated memory is still 1.2 GB. Free memory is still 841.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:04:44,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 29 error locations. UNSAFE Result, 1.0s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8772 SDtfs, 4796 SDslu, 6096 SDs, 0 SdLazy, 12514 SolverSat, 4022 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 458 SyntacticMatches, 11 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 1899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - UnprovableResult [Line: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] int flag = 1; [L628] List a = (List) malloc(sizeof(struct node)); [L629] COND FALSE !(a == 0) [L630] List t; [L631] List l1; [L632] List l2; [L633] List b; [L634] List u; [L635] List p = a; [L636] COND FALSE !(__VERIFIER_nondet_int()) [L649] p->h = 3 [L650] EXPR a->h [L650] COND TRUE a->h == 3 [L650] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.87 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 290.64 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1090.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.1 MB in the end (delta: 220.6 MB). Peak memory consumption was 220.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.35 ms. Allocated memory is still 1.2 GB. Free memory is still 841.1 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:04:45,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:04:45,562 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:04:45,569 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:04:45,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:04:45,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:04:45,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:04:45,571 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:04:45,571 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:04:45,572 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:04:45,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:04:45,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:04:45,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:04:45,573 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:04:45,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:04:45,574 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:04:45,575 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:04:45,576 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:04:45,576 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:04:45,577 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:04:45,578 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:04:45,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:04:45,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:04:45,580 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:04:45,580 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:04:45,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:04:45,581 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:04:45,581 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:04:45,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:04:45,582 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:04:45,582 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:04:45,583 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:04:45,583 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:04:45,583 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:04:45,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:04:45,584 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:04:45,584 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-12-08 18:04:45,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:04:45,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:04:45,592 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:04:45,592 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:04:45,592 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:04:45,592 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:04:45,592 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:04:45,593 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 18:04:45,593 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 18:04:45,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:04:45,594 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:04:45,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 18:04:45,594 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:04:45,594 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:04:45,594 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 18:04:45,594 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 18:04:45,594 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:04:45,594 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 18:04:45,594 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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_642828fd-44c9-4049-a941-2ca45e110321/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> bab7ebbfb2d1b8a4018ae99e314147bb3726df4b [2018-12-08 18:04:45,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:04:45,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:04:45,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:04:45,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:04:45,627 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:04:45,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/../../sv-benchmarks/c/list-properties/splice_true-unreach-call_false-valid-memtrack.i [2018-12-08 18:04:45,670 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data/a8a410a53/ce95735e3e7f4bea9aa5d028eb6cb397/FLAG572fdb835 [2018-12-08 18:04:46,113 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:04:46,113 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/sv-benchmarks/c/list-properties/splice_true-unreach-call_false-valid-memtrack.i [2018-12-08 18:04:46,120 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data/a8a410a53/ce95735e3e7f4bea9aa5d028eb6cb397/FLAG572fdb835 [2018-12-08 18:04:46,128 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/bin-2019/ukojak/data/a8a410a53/ce95735e3e7f4bea9aa5d028eb6cb397 [2018-12-08 18:04:46,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:04:46,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:04:46,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:04:46,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:04:46,133 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:04:46,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74da31a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46, skipping insertion in model container [2018-12-08 18:04:46,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:04:46,158 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:04:46,308 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:04:46,317 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:04:46,342 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:04:46,399 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:04:46,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46 WrapperNode [2018-12-08 18:04:46,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:04:46,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:04:46,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:04:46,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:04:46,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:04:46,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:04:46,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:04:46,432 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:04:46,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:04:46,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:04:46,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:04:46,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:04:46,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_642828fd-44c9-4049-a941-2ca45e110321/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 [2018-12-08 18:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 18:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 18:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 18:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 18:04:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:04:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:04:46,901 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:04:46,901 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 18:04:46,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:46 BoogieIcfgContainer [2018-12-08 18:04:46,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:04:46,902 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 18:04:46,902 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 18:04:46,908 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 18:04:46,909 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:46" (1/1) ... [2018-12-08 18:04:46,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 62 states and 73 transitions. [2018-12-08 18:04:46,938 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2018-12-08 18:04:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 18:04:46,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:46,980 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:46,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:47,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 18:04:47,039 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 18:04:47,052 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 18:04:47,052 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,062 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,069 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:9, output treesize:21 [2018-12-08 18:04:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 78 transitions. [2018-12-08 18:04:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2018-12-08 18:04:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 18:04:47,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:47,194 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:47,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:47,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 18:04:47,205 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 18:04:47,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 18:04:47,210 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 18:04:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2018-12-08 18:04:47,495 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2018-12-08 18:04:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:04:47,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:47,496 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:47,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:47,506 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 18:04:47,509 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 18:04:47,515 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 18:04:47,516 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,530 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:9, output treesize:21 [2018-12-08 18:04:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:47,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions. [2018-12-08 18:04:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2018-12-08 18:04:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:04:47,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:47,554 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:47,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:47,564 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 18:04:47,564 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 18:04:47,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 18:04:47,570 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 18:04:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 89 transitions. [2018-12-08 18:04:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2018-12-08 18:04:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:04:47,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:47,588 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:47,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 72 states and 93 transitions. [2018-12-08 18:04:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2018-12-08 18:04:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:04:47,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:47,931 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:47,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:47,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 18:04:47,942 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 18:04:47,948 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 18:04:47,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,964 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 18:04:47,964 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:9, output treesize:21 [2018-12-08 18:04:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2018-12-08 18:04:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2018-12-08 18:04:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 18:04:48,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:48,427 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:48,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:48,442 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 18:04:48,443 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 18:04:48,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 18:04:48,447 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 18:04:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 78 states and 110 transitions. [2018-12-08 18:04:48,999 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2018-12-08 18:04:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 18:04:49,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:49,002 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:49,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:49,013 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 18:04:49,015 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 18:04:49,020 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 18:04:49,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 18:04:49,027 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 18:04:49,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 18:04:49,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:9, output treesize:21 [2018-12-08 18:04:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 80 states and 115 transitions. [2018-12-08 18:04:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2018-12-08 18:04:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 18:04:49,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:49,082 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:49,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:04:49,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-08 18:04:49,133 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-08 18:04:49,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 18:04:49,135 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 18:04:49,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 18:04:49,136 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-12-08 18:04:49,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-08 18:04:49,177 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-12-08 18:04:49,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 18:04:49,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 18:04:49,179 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 18:04:49,180 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-12-08 18:04:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:04:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 84 states and 125 transitions. [2018-12-08 18:04:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2018-12-08 18:04:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 18:04:50,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:04:50,691 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 18:04:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:04:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:04:50,764 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-12-08 18:04:50,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 06:04:50 ImpRootNode [2018-12-08 18:04:50,788 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 18:04:50,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:04:50,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:04:50,789 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:04:50,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:46" (3/4) ... [2018-12-08 18:04:50,792 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 18:04:50,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:04:50,793 INFO L168 Benchmark]: Toolchain (without parser) took 4662.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 939.4 MB in the beginning and 932.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 221.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:50,794 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:04:50,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:50,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.79 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:50,795 INFO L168 Benchmark]: Boogie Preprocessor took 23.74 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. [2018-12-08 18:04:50,796 INFO L168 Benchmark]: RCFGBuilder took 445.15 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: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:50,796 INFO L168 Benchmark]: CodeCheck took 3886.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 932.3 MB in the end (delta: 142.6 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:50,796 INFO L168 Benchmark]: Witness Printer took 3.80 ms. Allocated memory is still 1.2 GB. Free memory is still 932.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:04:50,799 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 75 locations, 29 error locations. UNSAFE Result, 3.8s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2280 SDtfs, 2184 SDslu, 2960 SDs, 0 SdLazy, 8344 SolverSat, 2352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 379 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1306 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 2360 SizeOfPredicates, 23 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - UnprovableResult [Line: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] int flag = 1; [L628] List a = (List) malloc(sizeof(struct node)); [L629] COND FALSE !(a == 0) [L630] List t; [L631] List l1; [L632] List l2; [L633] List b; [L634] List u; [L635] List p = a; [L636] COND FALSE !(__VERIFIER_nondet_int()) [L649] p->h = 3 [L650] EXPR a->h [L650] COND TRUE a->h == 3 [L650] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.79 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.74 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 445.15 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: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3886.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 932.3 MB in the end (delta: 142.6 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.80 ms. Allocated memory is still 1.2 GB. Free memory is still 932.3 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...