./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_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/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_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/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_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/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_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/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 [2018-12-08 16:46:30,524 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:46:30,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:46:30,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:46:30,531 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:46:30,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:46:30,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:46:30,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:46:30,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:46:30,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:46:30,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:46:30,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:46:30,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:46:30,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:46:30,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:46:30,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:46:30,537 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:46:30,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:46:30,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:46:30,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:46:30,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:46:30,540 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:46:30,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:46:30,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:46:30,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:46:30,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:46:30,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:46:30,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:46:30,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:46:30,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:46:30,544 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:46:30,544 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:46:30,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:46:30,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:46:30,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:46:30,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:46:30,546 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 16:46:30,553 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:46:30,553 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:46:30,554 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:46:30,554 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:46:30,554 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:46:30,554 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:46:30,554 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:46:30,554 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:46:30,554 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:46:30,554 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:46:30,554 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 16:46:30,554 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 16:46:30,555 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 16:46:30,555 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:46:30,555 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:46:30,555 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:46:30,555 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:46:30,555 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:46:30,555 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:46:30,555 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:46:30,555 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:46:30,555 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:46:30,555 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:46:30,556 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:46:30,556 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:46:30,556 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_41639f4e-c605-4365-96d8-4e9febc6a5a3/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 [2018-12-08 16:46:30,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:46:30,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:46:30,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:46:30,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:46:30,586 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:46:30,586 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-08 16:46:30,627 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data/8775c8486/5db8aaec9e6d4a3a87d6ecdb1aabbd65/FLAGa9628f826 [2018-12-08 16:46:31,064 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:46:31,065 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-08 16:46:31,071 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data/8775c8486/5db8aaec9e6d4a3a87d6ecdb1aabbd65/FLAGa9628f826 [2018-12-08 16:46:31,079 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data/8775c8486/5db8aaec9e6d4a3a87d6ecdb1aabbd65 [2018-12-08 16:46:31,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:46:31,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:46:31,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:46:31,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:46:31,084 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:46:31,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159e01e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31, skipping insertion in model container [2018-12-08 16:46:31,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:46:31,115 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:46:31,269 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:46:31,276 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:46:31,344 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:46:31,369 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:46:31,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31 WrapperNode [2018-12-08 16:46:31,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:46:31,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:46:31,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:46:31,370 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:46:31,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:46:31,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:46:31,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:46:31,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:46:31,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:46:31,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:46:31,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:46:31,419 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:46:31,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/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 16:46:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:46:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:46:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:46:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 16:46:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 16:46:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:46:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:46:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:46:31,751 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:46:31,751 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 16:46:31,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:46:31 BoogieIcfgContainer [2018-12-08 16:46:31,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:46:31,751 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:46:31,751 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:46:31,758 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:46:31,758 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:46:31" (1/1) ... [2018-12-08 16:46:31,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:46:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 57 transitions. [2018-12-08 16:46:31,787 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2018-12-08 16:46:31,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:46:31,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:31,861 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 16:46:31,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2018-12-08 16:46:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-12-08 16:46:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:46:31,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:31,891 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 16:46:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2018-12-08 16:46:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2018-12-08 16:46:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:46:31,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:31,949 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 16:46:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-12-08 16:46:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-08 16:46:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 16:46:32,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:32,034 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 16:46:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2018-12-08 16:46:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2018-12-08 16:46:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 16:46:32,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:46:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2018-12-08 16:46:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2018-12-08 16:46:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:46:32,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:32,222 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 16:46:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-12-08 16:46:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-12-08 16:46:32,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:46:32,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:32,367 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 16:46:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2018-12-08 16:46:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2018-12-08 16:46:32,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:46:32,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:32,393 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 16:46:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2018-12-08 16:46:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2018-12-08 16:46:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:46:32,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:32,479 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 16:46:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 137 transitions. [2018-12-08 16:46:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 137 transitions. [2018-12-08 16:46:32,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:46:32,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:32,795 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 16:46:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 62 states and 145 transitions. [2018-12-08 16:46:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 145 transitions. [2018-12-08 16:46:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:46:32,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:32,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:46:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 64 states and 149 transitions. [2018-12-08 16:46:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 149 transitions. [2018-12-08 16:46:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:46:33,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:46:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 66 states and 153 transitions. [2018-12-08 16:46:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 153 transitions. [2018-12-08 16:46:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:46:33,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:46:33,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 66 states and 148 transitions. [2018-12-08 16:46:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2018-12-08 16:46:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:46:33,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:33,301 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 16:46:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 69 states and 156 transitions. [2018-12-08 16:46:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 156 transitions. [2018-12-08 16:46:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:46:33,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:46:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 72 states and 161 transitions. [2018-12-08 16:46:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 161 transitions. [2018-12-08 16:46:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:46:33,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:46:33,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 75 states and 166 transitions. [2018-12-08 16:46:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 166 transitions. [2018-12-08 16:46:33,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:46:33,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:33,803 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2018-12-08 16:46:33,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:46:33 ImpRootNode [2018-12-08 16:46:33,824 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:46:33,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:46:33,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:46:33,825 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:46:33,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:46:31" (3/4) ... [2018-12-08 16:46:33,827 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:46:33,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:46:33,828 INFO L168 Benchmark]: Toolchain (without parser) took 2747.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 951.7 MB in the beginning and 942.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 212.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:33,829 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:46:33,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:33,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.65 ms. Allocated memory is still 1.1 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 16:46:33,830 INFO L168 Benchmark]: Boogie Preprocessor took 16.26 ms. Allocated memory is still 1.1 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 16:46:33,830 INFO L168 Benchmark]: RCFGBuilder took 332.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:33,831 INFO L168 Benchmark]: CodeCheck took 2072.78 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 82.3 MB). Free memory was 1.1 GB in the beginning and 942.2 MB in the end (delta: 112.9 MB). Peak memory consumption was 195.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:33,831 INFO L168 Benchmark]: Witness Printer took 3.10 ms. Allocated memory is still 1.2 GB. Free memory is still 942.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:46:33,833 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, 275696 SDslu, 972812 SDs, 0 SdLazy, 878044 SolverSat, 201532 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1698 GetRequests, 1588 SyntacticMatches, 24 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2109 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.65 ms. Allocated memory is still 1.1 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 16.26 ms. Allocated memory is still 1.1 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. * RCFGBuilder took 332.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * CodeCheck took 2072.78 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 82.3 MB). Free memory was 1.1 GB in the beginning and 942.2 MB in the end (delta: 112.9 MB). Peak memory consumption was 195.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.10 ms. Allocated memory is still 1.2 GB. Free memory is still 942.2 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 16:46:35,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:46:35,118 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:46:35,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:46:35,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:46:35,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:46:35,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:46:35,126 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:46:35,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:46:35,127 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:46:35,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:46:35,128 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:46:35,128 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:46:35,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:46:35,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:46:35,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:46:35,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:46:35,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:46:35,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:46:35,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:46:35,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:46:35,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:46:35,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:46:35,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:46:35,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:46:35,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:46:35,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:46:35,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:46:35,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:46:35,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:46:35,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:46:35,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:46:35,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:46:35,138 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:46:35,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:46:35,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:46:35,139 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-12-08 16:46:35,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:46:35,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:46:35,147 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:46:35,147 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:46:35,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:46:35,147 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:46:35,147 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:46:35,147 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:46:35,147 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:46:35,147 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:46:35,147 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:46:35,148 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:46:35,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:46:35,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:46:35,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:46:35,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:46:35,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:46:35,149 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 16:46:35,149 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 16:46:35,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:46:35,149 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 16:46:35,149 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_41639f4e-c605-4365-96d8-4e9febc6a5a3/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 [2018-12-08 16:46:35,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:46:35,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:46:35,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:46:35,181 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:46:35,181 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:46:35,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/../../sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-08 16:46:35,225 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data/8c9877a32/7913faa8208647a1b61f69a846042f3b/FLAG7f1e26036 [2018-12-08 16:46:35,646 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:46:35,646 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/sv-benchmarks/c/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-12-08 16:46:35,652 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data/8c9877a32/7913faa8208647a1b61f69a846042f3b/FLAG7f1e26036 [2018-12-08 16:46:35,660 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/bin-2019/ukojak/data/8c9877a32/7913faa8208647a1b61f69a846042f3b [2018-12-08 16:46:35,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:46:35,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:46:35,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:46:35,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:46:35,666 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:46:35,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a048df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35, skipping insertion in model container [2018-12-08 16:46:35,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:46:35,691 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:46:35,848 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:46:35,857 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:46:35,884 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:46:35,941 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:46:35,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35 WrapperNode [2018-12-08 16:46:35,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:46:35,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:46:35,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:46:35,942 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:46:35,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:46:35,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:46:35,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:46:35,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:46:35,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... [2018-12-08 16:46:35,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:46:35,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:46:35,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:46:35,987 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:46:35,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:46:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41639f4e-c605-4365-96d8-4e9febc6a5a3/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 16:46:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:46:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 16:46:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 16:46:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 16:46:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:46:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 16:46:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:46:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:46:36,377 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:46:36,378 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 16:46:36,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:46:36 BoogieIcfgContainer [2018-12-08 16:46:36,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:46:36,378 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:46:36,379 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:46:36,385 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:46:36,385 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:46:36" (1/1) ... [2018-12-08 16:46:36,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:46:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions. [2018-12-08 16:46:36,414 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2018-12-08 16:46:36,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:46:36,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:36,448 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:36,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:36,478 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 16:46:36,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:36,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2018-12-08 16:46:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2018-12-08 16:46:36,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:46:36,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:36,561 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:36,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:36,579 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 16:46:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2018-12-08 16:46:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2018-12-08 16:46:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:46:36,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:36,719 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:36,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:36,744 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 16:46:36,745 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:46:36,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:46:36,747 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 16:46:36,757 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 16:46:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2018-12-08 16:46:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2018-12-08 16:46:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:46:36,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:36,782 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:36,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:36,798 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 16:46:36,799 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:46:36,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:46:36,804 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 16:46:36,825 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 16:46:36,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2018-12-08 16:46:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2018-12-08 16:46:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 16:46:36,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:36,936 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:36,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:36,946 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 16:46:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:36,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2018-12-08 16:46:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2018-12-08 16:46:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 16:46:36,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:36,991 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:37,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:37,007 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 16:46:37,008 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:46:37,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:46:37,013 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 16:46:37,048 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 16:46:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2018-12-08 16:46:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2018-12-08 16:46:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 16:46:37,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:37,096 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:37,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:37,131 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 16:46:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 98 transitions. [2018-12-08 16:46:37,319 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2018-12-08 16:46:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:46:37,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:37,320 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:37,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:46:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 104 transitions. [2018-12-08 16:46:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2018-12-08 16:46:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:46:37,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:37,427 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:37,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:46:37,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2018-12-08 16:46:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2018-12-08 16:46:37,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:46:37,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:37,525 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:37,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:37,571 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 16:46:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 55 states and 122 transitions. [2018-12-08 16:46:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 122 transitions. [2018-12-08 16:46:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:46:38,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:38,024 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:46:38,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:46:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:46:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:46:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 56 states and 122 transitions. [2018-12-08 16:46:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 122 transitions. [2018-12-08 16:46:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:46:38,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:46:38,376 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:46:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:46:38,517 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2018-12-08 16:46:38,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:46:38 ImpRootNode [2018-12-08 16:46:38,550 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:46:38,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:46:38,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:46:38,550 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:46:38,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:46:36" (3/4) ... [2018-12-08 16:46:38,553 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:46:38,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:46:38,553 INFO L168 Benchmark]: Toolchain (without parser) took 2890.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.3 MB in the beginning and 807.8 MB in the end (delta: 131.5 MB). Peak memory consumption was 269.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:38,554 INFO L168 Benchmark]: CDTParser took 0.15 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 16:46:38,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:38,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.22 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:38,555 INFO L168 Benchmark]: Boogie Preprocessor took 17.63 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 16:46:38,556 INFO L168 Benchmark]: RCFGBuilder took 391.20 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: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:38,556 INFO L168 Benchmark]: CodeCheck took 2171.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 807.8 MB in the end (delta: 269.8 MB). Peak memory consumption was 269.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:46:38,556 INFO L168 Benchmark]: Witness Printer took 3.17 ms. Allocated memory is still 1.2 GB. Free memory is still 807.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:46:38,558 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, 2.1s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15716 SDtfs, 6776 SDslu, 33664 SDs, 0 SdLazy, 36774 SolverSat, 8966 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 890 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1027 SizeOfPredicates, 12 NumberOfNonLiveVariables, 402 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 4/4 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={1:0}, 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={1:0}, 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={1:0}, 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 0.15 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 277.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.22 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.63 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 391.20 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: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * CodeCheck took 2171.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 807.8 MB in the end (delta: 269.8 MB). Peak memory consumption was 269.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.17 ms. Allocated memory is still 1.2 GB. Free memory is still 807.8 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...