./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158_false-valid-free.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_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158_false-valid-free.i -s /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/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 988613cde5038d59f240babca0a9fb7bbef562e6 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:12:54,194 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:12:54,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:12:54,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:12:54,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:12:54,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:12:54,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:12:54,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:12:54,204 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:12:54,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:12:54,205 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:12:54,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:12:54,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:12:54,206 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:12:54,206 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:12:54,207 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:12:54,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:12:54,208 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:12:54,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:12:54,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:12:54,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:12:54,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:12:54,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:12:54,212 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:12:54,212 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:12:54,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:12:54,212 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:12:54,213 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:12:54,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:12:54,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:12:54,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:12:54,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:12:54,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:12:54,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:12:54,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:12:54,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:12:54,215 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 22:12:54,222 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:12:54,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:12:54,223 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:12:54,223 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:12:54,223 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:12:54,223 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:12:54,223 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 22:12:54,223 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:12:54,223 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:12:54,223 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:12:54,223 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 22:12:54,224 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 22:12:54,224 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 22:12:54,224 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:12:54,224 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:12:54,224 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:12:54,224 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 22:12:54,224 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 22:12:54,224 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:12:54,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:12:54,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:12:54,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:12:54,225 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:12:54,225 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 22:12:54,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:12:54,225 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_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/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 -> 988613cde5038d59f240babca0a9fb7bbef562e6 [2018-12-08 22:12:54,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:12:54,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:12:54,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:12:54,252 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:12:54,252 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:12:54,252 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/../../sv-benchmarks/c/memsafety/test-0158_false-valid-free.i [2018-12-08 22:12:54,294 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/data/b712665c2/20280d1457f040e49df0a9c7c7f4939e/FLAGc2202a977 [2018-12-08 22:12:54,612 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:12:54,612 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/sv-benchmarks/c/memsafety/test-0158_false-valid-free.i [2018-12-08 22:12:54,620 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/data/b712665c2/20280d1457f040e49df0a9c7c7f4939e/FLAGc2202a977 [2018-12-08 22:12:54,628 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/data/b712665c2/20280d1457f040e49df0a9c7c7f4939e [2018-12-08 22:12:54,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:12:54,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:12:54,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:12:54,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:12:54,634 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:12:54,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e50d1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54, skipping insertion in model container [2018-12-08 22:12:54,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:12:54,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:12:54,849 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:12:54,852 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:12:54,914 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:12:54,949 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:12:54,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54 WrapperNode [2018-12-08 22:12:54,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:12:54,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:12:54,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:12:54,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:12:54,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:12:54,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:12:54,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:12:54,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:12:54,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... [2018-12-08 22:12:54,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:12:54,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:12:54,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:12:54,995 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:12:54,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/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 22:12:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:12:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 22:12:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 22:12:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 22:12:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:12:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:12:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:12:55,263 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:12:55,263 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 22:12:55,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:55 BoogieIcfgContainer [2018-12-08 22:12:55,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:12:55,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:12:55,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:12:55,272 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:12:55,272 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:55" (1/1) ... [2018-12-08 22:12:55,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:12:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 27 states and 26 transitions. [2018-12-08 22:12:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-12-08 22:12:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-08 22:12:55,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,405 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 22:12:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 26 states and 25 transitions. [2018-12-08 22:12:55,429 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-12-08 22:12:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-08 22:12:55,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,460 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 22:12:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2018-12-08 22:12:55,512 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-12-08 22:12:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 22:12:55,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,524 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 22:12:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 24 states and 23 transitions. [2018-12-08 22:12:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2018-12-08 22:12:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 22:12:55,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,551 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 22:12:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2018-12-08 22:12:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-12-08 22:12:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 22:12:55,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,575 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 22:12:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 22 states and 21 transitions. [2018-12-08 22:12:55,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2018-12-08 22:12:55,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 22:12:55,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,601 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 22:12:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 21 states and 20 transitions. [2018-12-08 22:12:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-12-08 22:12:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:12:55,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,685 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 22:12:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 20 states and 19 transitions. [2018-12-08 22:12:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-12-08 22:12:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:12:55,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,710 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 22:12:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-12-08 22:12:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-12-08 22:12:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 22:12:55,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,728 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 22:12:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 18 states and 17 transitions. [2018-12-08 22:12:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-12-08 22:12:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 22:12:55,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,745 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 22:12:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-12-08 22:12:55,754 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-12-08 22:12:55,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:12:55,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:55,807 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 22:12:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2018-12-08 22:12:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-12-08 22:12:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 22:12:56,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:56,165 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 22:12:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2018-12-08 22:12:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-12-08 22:12:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:12:56,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:56,937 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 22:12:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2018-12-08 22:12:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-12-08 22:12:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 22:12:57,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:12:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:12:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:12:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:12:57,399 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2018-12-08 22:12:57,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:12:57 ImpRootNode [2018-12-08 22:12:57,424 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:12:57,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:12:57,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:12:57,425 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:12:57,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:55" (3/4) ... [2018-12-08 22:12:57,427 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 22:12:57,468 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01a573a9-f2d8-47eb-8afa-ddb20b1c0e68/bin-2019/ukojak/witness.graphml [2018-12-08 22:12:57,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:12:57,469 INFO L168 Benchmark]: Toolchain (without parser) took 2838.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:57,471 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:12:57,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:57,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:12:57,472 INFO L168 Benchmark]: Boogie Preprocessor took 14.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:12:57,472 INFO L168 Benchmark]: RCFGBuilder took 268.16 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:57,472 INFO L168 Benchmark]: CodeCheck took 2160.75 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 1.1 GB in the end (delta: 4.8 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:57,473 INFO L168 Benchmark]: Witness Printer took 44.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:57,476 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, 30 locations, 15 error locations. UNSAFE Result, 2.1s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 7752 SDslu, 0 SDs, 0 SdLazy, 60138 SolverSat, 27694 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 439 GetRequests, 349 SyntacticMatches, 20 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1860 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 2023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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: 755]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L742-L749] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L750] data.p0 = malloc(37U) [L751] data.str.p2 = &data [L752] EXPR data.p0 [L752] void *ptr = data.p0; [L753] data.str.c[1] = sizeof data.str.p1 [L754] EXPR data.p0 [L754] free(data.p0) [L754] free(data.p0) [L755] free(ptr) [L755] free(ptr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 268.16 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2160.75 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 1.1 GB in the end (delta: 4.8 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. * Witness Printer took 44.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...