./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.2_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_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/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 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 ......................................................................................................................................................................................................................................................................................................................................................... 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_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/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 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:24:17,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:24:17,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:24:17,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:24:17,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:24:17,870 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:24:17,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:24:17,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:24:17,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:24:17,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:24:17,873 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:24:17,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:24:17,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:24:17,874 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:24:17,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:24:17,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:24:17,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:24:17,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:24:17,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:24:17,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:24:17,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:24:17,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:24:17,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:24:17,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:24:17,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:24:17,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:24:17,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:24:17,882 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:24:17,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:24:17,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:24:17,883 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:24:17,883 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:24:17,884 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:24:17,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:24:17,884 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:24:17,885 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:24:17,885 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 04:24:17,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:24:17,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:24:17,892 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 04:24:17,892 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 04:24:17,893 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:24:17,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:24:17,894 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:24:17,894 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 04:24:17,894 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 04:24:17,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:24:17,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:24:17,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:24:17,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:24:17,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:24:17,894 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 04:24:17,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:24:17,894 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_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/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 -> 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 [2018-12-02 04:24:17,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:24:17,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:24:17,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:24:17,920 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:24:17,921 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:24:17,921 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-02 04:24:17,955 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data/0173ab37d/96602d8cb0c64bd980ad7d6925b33b8c/FLAG3aeb3c500 [2018-12-02 04:24:18,441 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:24:18,441 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-02 04:24:18,447 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data/0173ab37d/96602d8cb0c64bd980ad7d6925b33b8c/FLAG3aeb3c500 [2018-12-02 04:24:18,455 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data/0173ab37d/96602d8cb0c64bd980ad7d6925b33b8c [2018-12-02 04:24:18,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:24:18,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:24:18,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:24:18,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:24:18,460 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:24:18,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca176b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18, skipping insertion in model container [2018-12-02 04:24:18,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:24:18,491 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:24:18,651 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:24:18,657 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:24:18,717 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:24:18,743 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:24:18,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18 WrapperNode [2018-12-02 04:24:18,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:24:18,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:24:18,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:24:18,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:24:18,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:24:18,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:24:18,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:24:18,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:24:18,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... [2018-12-02 04:24:18,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:24:18,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:24:18,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:24:18,791 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:24:18,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/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 [2018-12-02 04:24:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:24:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 04:24:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 04:24:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 04:24:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 04:24:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:24:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:24:18,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:24:19,096 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:24:19,096 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 04:24:19,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:24:19 BoogieIcfgContainer [2018-12-02 04:24:19,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:24:19,097 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 04:24:19,097 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 04:24:19,103 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 04:24:19,103 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:24:19" (1/1) ... [2018-12-02 04:24:19,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:24:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 57 transitions. [2018-12-02 04:24:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2018-12-02 04:24:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 04:24:19,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:19,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2018-12-02 04:24:19,208 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-12-02 04:24:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 04:24:19,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2018-12-02 04:24:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2018-12-02 04:24:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 04:24:19,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:19,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-12-02 04:24:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-02 04:24:19,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 04:24:19,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2018-12-02 04:24:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2018-12-02 04:24:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 04:24:19,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2018-12-02 04:24:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2018-12-02 04:24:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 04:24:19,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-12-02 04:24:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-12-02 04:24:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 04:24:19,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:19,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2018-12-02 04:24:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2018-12-02 04:24:19,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 04:24:19,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:19,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2018-12-02 04:24:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2018-12-02 04:24:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 04:24:19,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:20,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 137 transitions. [2018-12-02 04:24:20,113 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 137 transitions. [2018-12-02 04:24:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 04:24:20,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 62 states and 145 transitions. [2018-12-02 04:24:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 145 transitions. [2018-12-02 04:24:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 04:24:20,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:24:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 64 states and 149 transitions. [2018-12-02 04:24:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 149 transitions. [2018-12-02 04:24:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 04:24:20,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:24:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 66 states and 153 transitions. [2018-12-02 04:24:20,567 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 153 transitions. [2018-12-02 04:24:20,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 04:24:20,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 66 states and 148 transitions. [2018-12-02 04:24:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2018-12-02 04:24:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 04:24:20,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:20,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 69 states and 156 transitions. [2018-12-02 04:24:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 156 transitions. [2018-12-02 04:24:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 04:24:20,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:20,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:24:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 72 states and 163 transitions. [2018-12-02 04:24:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2018-12-02 04:24:20,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 04:24:20,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:24:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 75 states and 168 transitions. [2018-12-02 04:24:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 168 transitions. [2018-12-02 04:24:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 04:24:21,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:24:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:24:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:24:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:24:21,205 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2018-12-02 04:24:21,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:24:21 ImpRootNode [2018-12-02 04:24:21,235 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 04:24:21,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:24:21,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:24:21,235 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:24:21,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:24:19" (3/4) ... [2018-12-02 04:24:21,239 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 04:24:21,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:24:21,240 INFO L168 Benchmark]: Toolchain (without parser) took 2782.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 957.1 MB in the beginning and 941.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 217.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:21,241 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:24:21,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:21,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.83 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. [2018-12-02 04:24:21,243 INFO L168 Benchmark]: Boogie Preprocessor took 18.21 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:21,243 INFO L168 Benchmark]: RCFGBuilder took 305.30 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: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:21,244 INFO L168 Benchmark]: CodeCheck took 2137.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 941.5 MB in the end (delta: 116.9 MB). Peak memory consumption was 196.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:21,244 INFO L168 Benchmark]: Witness Printer took 4.24 ms. Allocated memory is still 1.2 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:24:21,247 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, 60 locations, 19 error locations. UNSAFE Result, 2.0s OverallTime, 17 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1078040 SDtfs, 275692 SDslu, 972816 SDs, 0 SdLazy, 878048 SolverSat, 201528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1704 GetRequests, 1594 SyntacticMatches, 24 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2111 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 2741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 10/10 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: 688]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 688. Possible FailurePath: [L624] struct cell *S; [L625] int pc1 = 1; [L626] int pc4 = 1; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; [L690] S || 1 != pc4 || __VERIFIER_nondet_int() [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE S || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L631] pc1++ [L632] case 1: [L633] x1 = malloc(sizeof(*x1)) VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={6:0}, x4={0:0}] [L634] x1->data = 0 VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={6:0}, x4={0:0}] [L635] x1->next = ((void *)0) VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={6:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={6:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.83 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. * Boogie Preprocessor took 18.21 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 305.30 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: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2137.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 941.5 MB in the end (delta: 116.9 MB). Peak memory consumption was 196.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.24 ms. Allocated memory is still 1.2 GB. Free memory is still 941.5 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 [2018-12-02 04:24:22,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:24:22,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:24:22,689 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:24:22,689 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:24:22,690 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:24:22,690 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:24:22,691 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:24:22,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:24:22,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:24:22,693 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:24:22,693 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:24:22,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:24:22,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:24:22,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:24:22,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:24:22,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:24:22,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:24:22,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:24:22,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:24:22,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:24:22,699 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:24:22,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:24:22,701 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:24:22,701 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:24:22,701 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:24:22,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:24:22,702 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:24:22,702 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:24:22,703 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:24:22,703 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:24:22,704 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:24:22,704 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:24:22,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:24:22,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:24:22,705 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:24:22,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-12-02 04:24:22,715 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:24:22,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:24:22,717 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 04:24:22,717 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 04:24:22,717 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:24:22,717 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:24:22,717 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 04:24:22,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:24:22,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:24:22,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:24:22,718 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 04:24:22,718 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 04:24:22,718 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 04:24:22,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:24:22,719 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 04:24:22,719 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 04:24:22,719 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:24:22,719 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:24:22,719 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 04:24:22,719 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 04:24:22,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:24:22,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:24:22,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:24:22,720 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:24:22,720 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:24:22,720 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 04:24:22,721 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 04:24:22,721 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:24:22,721 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 04:24:22,721 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_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/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 -> 1cdc9955d0f744a8bccc682f75e63a6c9ebbfe78 [2018-12-02 04:24:22,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:24:22,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:24:22,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:24:22,755 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:24:22,756 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:24:22,756 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-02 04:24:22,798 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data/0eaebf83f/ed4f2159b9924cd285b11ea90e779151/FLAG7ba849dad [2018-12-02 04:24:23,145 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:24:23,145 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-02 04:24:23,151 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data/0eaebf83f/ed4f2159b9924cd285b11ea90e779151/FLAG7ba849dad [2018-12-02 04:24:23,554 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/bin-2019/ukojak/data/0eaebf83f/ed4f2159b9924cd285b11ea90e779151 [2018-12-02 04:24:23,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:24:23,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:24:23,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:24:23,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:24:23,560 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:24:23,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76840cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23, skipping insertion in model container [2018-12-02 04:24:23,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:24:23,593 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:24:23,758 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:24:23,767 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:24:23,793 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:24:23,852 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:24:23,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23 WrapperNode [2018-12-02 04:24:23,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:24:23,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:24:23,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:24:23,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:24:23,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:24:23,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:24:23,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:24:23,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:24:23,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... [2018-12-02 04:24:23,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:24:23,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:24:23,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:24:23,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:24:23,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:24:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cf04e3b-bfe2-4cbb-b5a1-72288128db9d/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 [2018-12-02 04:24:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:24:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 04:24:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 04:24:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 04:24:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:24:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 04:24:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:24:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:24:24,282 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:24:24,282 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 04:24:24,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:24:24 BoogieIcfgContainer [2018-12-02 04:24:24,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:24:24,283 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 04:24:24,283 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 04:24:24,289 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 04:24:24,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:24:24" (1/1) ... [2018-12-02 04:24:24,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:24:24,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions. [2018-12-02 04:24:24,316 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2018-12-02 04:24:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 04:24:24,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:24,349 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:24,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2018-12-02 04:24:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2018-12-02 04:24:24,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 04:24:24,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:24,452 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:24,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2018-12-02 04:24:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2018-12-02 04:24:24,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 04:24:24,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:24,588 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:24,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:24,612 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 [2018-12-02 04:24:24,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 04:24:24,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:24:24,615 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 04:24:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2018-12-02 04:24:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2018-12-02 04:24:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 04:24:24,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:24,650 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:24,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:24,664 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 [2018-12-02 04:24:24,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 04:24:24,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:24:24,671 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 04:24:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2018-12-02 04:24:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2018-12-02 04:24:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 04:24:24,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:24,799 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:24,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2018-12-02 04:24:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2018-12-02 04:24:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 04:24:24,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:24,847 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:24,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:24,860 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 [2018-12-02 04:24:24,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 04:24:24,864 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:24:24,864 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 04:24:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:24,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2018-12-02 04:24:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2018-12-02 04:24:24,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 04:24:24,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:24,935 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:24,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 98 transitions. [2018-12-02 04:24:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2018-12-02 04:24:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 04:24:25,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:25,161 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:25,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 04:24:25,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2018-12-02 04:24:25,244 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2018-12-02 04:24:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 04:24:25,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:25,246 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:25,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 04:24:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 106 transitions. [2018-12-02 04:24:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2018-12-02 04:24:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 04:24:25,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:25,312 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:25,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:25,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:25,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 55 states and 120 transitions. [2018-12-02 04:24:25,673 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2018-12-02 04:24:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 04:24:25,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:25,674 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:25,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:24:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 56 states and 120 transitions. [2018-12-02 04:24:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 120 transitions. [2018-12-02 04:24:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 04:24:25,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:25,931 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:25,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 04:24:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:24:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 59 states and 124 transitions. [2018-12-02 04:24:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 124 transitions. [2018-12-02 04:24:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 04:24:26,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:24:26,502 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 04:24:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:24:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:24:26,645 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2018-12-02 04:24:26,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:24:26 ImpRootNode [2018-12-02 04:24:26,667 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 04:24:26,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:24:26,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:24:26,668 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:24:26,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:24:24" (3/4) ... [2018-12-02 04:24:26,670 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 04:24:26,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:24:26,671 INFO L168 Benchmark]: Toolchain (without parser) took 3114.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -223.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:24:26,672 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-02 04:24:26,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:26,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.56 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:26,673 INFO L168 Benchmark]: Boogie Preprocessor took 18.08 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. [2018-12-02 04:24:26,673 INFO L168 Benchmark]: RCFGBuilder took 384.58 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: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:26,673 INFO L168 Benchmark]: CodeCheck took 2384.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:24:26,673 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:24:26,675 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, 58 locations, 19 error locations. UNSAFE Result, 2.3s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 31432 SDtfs, 13632 SDslu, 67264 SDs, 0 SdLazy, 73586 SolverSat, 17938 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1077 GetRequests, 1014 SyntacticMatches, 9 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 1427 SizeOfPredicates, 14 NumberOfNonLiveVariables, 456 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 5/5 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: 688]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 688. Possible FailurePath: [L624] struct cell *S; [L625] int pc1 = 1; [L626] int pc4 = 1; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; [L690] COND TRUE S || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L631] pc1++ [L632] case 1: [L633] x1 = malloc(sizeof(*x1)) VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={67108864:0}, x4={0:0}] [L634] x1->data = 0 VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={67108864:0}, x4={0:0}] [L635] x1->next = ((void *)0) VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={67108864:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] * 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.56 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.08 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 384.58 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: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * CodeCheck took 2384.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. 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...