./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-properties/splice_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c9bb1d53c2739069062f850cb8bf82140406b77 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memtrack) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:32:02,121 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:32:02,122 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:32:02,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:32:02,128 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:32:02,128 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:32:02,129 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:32:02,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:32:02,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:32:02,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:32:02,132 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:32:02,132 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:32:02,133 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:32:02,133 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:32:02,134 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:32:02,135 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:32:02,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:32:02,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:32:02,137 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:32:02,138 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:32:02,139 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:32:02,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:32:02,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:32:02,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:32:02,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:32:02,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:32:02,142 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:32:02,143 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:32:02,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:32:02,144 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:32:02,144 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:32:02,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:32:02,144 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:32:02,145 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:32:02,145 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:32:02,146 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:32:02,146 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2018-12-08 13:32:02,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:32:02,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:32:02,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:32:02,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:32:02,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:32:02,154 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:32:02,155 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 13:32:02,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:32:02,155 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:32:02,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:32:02,155 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 13:32:02,155 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 13:32:02,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:32:02,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:32:02,156 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:32:02,156 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:32:02,156 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:32:02,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:32:02,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:32:02,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:32:02,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:32:02,157 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:32:02,157 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:32:02,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:32:02,157 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_819c7b81-5097-4b1c-a84e-0ee4801501dc/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-memcleanup) ) 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 -> 3c9bb1d53c2739069062f850cb8bf82140406b77 [2018-12-08 13:32:02,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:32:02,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:32:02,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:32:02,185 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:32:02,185 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:32:02,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/../../sv-benchmarks/c/list-properties/splice_false-unreach-call_false-valid-memcleanup.i [2018-12-08 13:32:02,233 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/data/4482a856f/5d05ff9b331a43948d76084e47eb86a8/FLAG303cd672e [2018-12-08 13:32:02,559 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:32:02,559 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/sv-benchmarks/c/list-properties/splice_false-unreach-call_false-valid-memcleanup.i [2018-12-08 13:32:02,565 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/data/4482a856f/5d05ff9b331a43948d76084e47eb86a8/FLAG303cd672e [2018-12-08 13:32:02,573 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/data/4482a856f/5d05ff9b331a43948d76084e47eb86a8 [2018-12-08 13:32:02,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:32:02,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:32:02,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:32:02,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:32:02,578 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:32:02,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4834854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02, skipping insertion in model container [2018-12-08 13:32:02,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:32:02,602 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:32:02,741 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:32:02,747 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:32:02,808 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:32:02,830 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:32:02,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02 WrapperNode [2018-12-08 13:32:02,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:32:02,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:32:02,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:32:02,831 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:32:02,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:32:02,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:32:02,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:32:02,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:32:02,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... [2018-12-08 13:32:02,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:32:02,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:32:02,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:32:02,883 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:32:02,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:32:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/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 13:32:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 13:32:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 13:32:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 13:32:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 13:32:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 13:32:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:32:02,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:32:03,194 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:32:03,195 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 13:32:03,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:32:03 BoogieIcfgContainer [2018-12-08 13:32:03,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:32:03,196 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:32:03,196 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:32:03,203 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:32:03,203 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:32:03" (1/1) ... [2018-12-08 13:32:03,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:32:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-12-08 13:32:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-12-08 13:32:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 13:32:03,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:03,303 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 13:32:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:03,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2018-12-08 13:32:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2018-12-08 13:32:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:32:03,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:03,338 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 13:32:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2018-12-08 13:32:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2018-12-08 13:32:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:32:03,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:03,413 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 13:32:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 69 states and 84 transitions. [2018-12-08 13:32:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2018-12-08 13:32:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:32:03,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:03,576 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 13:32:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 91 transitions. [2018-12-08 13:32:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2018-12-08 13:32:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:32:03,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:03,678 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 13:32:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 77 states and 98 transitions. [2018-12-08 13:32:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2018-12-08 13:32:03,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:32:03,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:03,790 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 13:32:03,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:03,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 79 states and 101 transitions. [2018-12-08 13:32:03,796 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2018-12-08 13:32:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:32:03,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:03,809 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 13:32:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2018-12-08 13:32:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2018-12-08 13:32:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:32:03,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:03,843 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 13:32:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 84 states and 111 transitions. [2018-12-08 13:32:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2018-12-08 13:32:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:32:04,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:04,143 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 13:32:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2018-12-08 13:32:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2018-12-08 13:32:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:32:04,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:32:04,178 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 13:32:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:32:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 87 states and 118 transitions. [2018-12-08 13:32:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2018-12-08 13:32:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:32:04,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:32:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:32:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:32:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:32:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:32:04,238 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-12-08 13:32:04,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:32:04 ImpRootNode [2018-12-08 13:32:04,254 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:32:04,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:32:04,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:32:04,254 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:32:04,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:32:03" (3/4) ... [2018-12-08 13:32:04,256 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 13:32:04,283 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_819c7b81-5097-4b1c-a84e-0ee4801501dc/bin-2019/ukojak/witness.graphml [2018-12-08 13:32:04,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:32:04,284 INFO L168 Benchmark]: Toolchain (without parser) took 1708.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.0 MB in the beginning and 853.0 MB in the end (delta: 103.0 MB). Peak memory consumption was 238.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:32:04,285 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-08 13:32:04,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:32:04,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.36 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 13:32:04,286 INFO L168 Benchmark]: Boogie Preprocessor took 17.75 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 13:32:04,286 INFO L168 Benchmark]: RCFGBuilder took 312.86 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:32:04,286 INFO L168 Benchmark]: CodeCheck took 1058.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.0 MB in the end (delta: 226.2 MB). Peak memory consumption was 226.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:32:04,287 INFO L168 Benchmark]: Witness Printer took 29.09 ms. Allocated memory is still 1.2 GB. Free memory is still 853.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:32:04,289 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 29 error locations. UNSAFE Result, 1.0s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8772 SDtfs, 4796 SDslu, 6096 SDs, 0 SdLazy, 12514 SolverSat, 4022 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 458 SyntacticMatches, 11 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 1899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 626]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] int flag = 1; [L628] List a = (List) malloc(sizeof(struct node)); [L629] COND FALSE !(a == 0) [L630] List t; [L631] List l1; [L632] List l2; [L633] List b; [L634] List u; [L635] List p = a; [L636] COND FALSE !(__VERIFIER_nondet_int()) [L649] p->h = 3 [L650] EXPR a->h [L650] COND TRUE a->h == 3 [L650] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 254.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.36 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 17.75 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 312.86 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1058.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.0 MB in the end (delta: 226.2 MB). Peak memory consumption was 226.2 MB. Max. memory is 11.5 GB. * Witness Printer took 29.09 ms. Allocated memory is still 1.2 GB. Free memory is still 853.0 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...