./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/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 3898362f0344bf22d4c5daf1ef882d33563fe291 ................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-01 15:10:38,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:10:38,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:10:38,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:10:38,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:10:38,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:10:38,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:10:38,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:10:38,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:10:38,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:10:38,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:10:38,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:10:38,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:10:38,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:10:38,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:10:38,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:10:38,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:10:38,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:10:38,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:10:38,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:10:38,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:10:38,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:10:38,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:10:38,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:10:38,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:10:38,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:10:38,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:10:38,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:10:38,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:10:38,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:10:38,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:10:38,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:10:38,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:10:38,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:10:38,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:10:38,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:10:38,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:10:38,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:10:38,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:10:38,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:10:38,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:10:38,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 15:10:38,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:10:38,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:10:38,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:10:38,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:10:38,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:10:38,749 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:10:38,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:10:38,750 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:10:38,750 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:10:38,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:10:38,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:10:38,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:10:38,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:10:38,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:10:38,750 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 15:10:38,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 15:10:38,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/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 -> 3898362f0344bf22d4c5daf1ef882d33563fe291 [2019-12-01 15:10:38,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:10:38,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:10:38,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:10:38,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:10:38,860 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:10:38,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/../../sv-benchmarks/c/memsafety/test-0158-3.i [2019-12-01 15:10:38,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/data/574d45daa/32faaa5540f246ea878f8ef0be46cff4/FLAGd1f481e55 [2019-12-01 15:10:39,276 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:10:39,277 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/sv-benchmarks/c/memsafety/test-0158-3.i [2019-12-01 15:10:39,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/data/574d45daa/32faaa5540f246ea878f8ef0be46cff4/FLAGd1f481e55 [2019-12-01 15:10:39,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/data/574d45daa/32faaa5540f246ea878f8ef0be46cff4 [2019-12-01 15:10:39,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:10:39,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:10:39,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:10:39,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:10:39,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:10:39,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea06886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39, skipping insertion in model container [2019-12-01 15:10:39,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:10:39,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:10:39,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:10:39,553 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 15:10:39,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:10:39,625 INFO L208 MainTranslator]: Completed translation [2019-12-01 15:10:39,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39 WrapperNode [2019-12-01 15:10:39,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:10:39,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 15:10:39,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 15:10:39,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 15:10:39,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 15:10:39,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 15:10:39,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 15:10:39,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 15:10:39,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 15:10:39,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 15:10:39,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 15:10:39,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 15:10:39,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:10:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/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 [2019-12-01 15:10:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 15:10:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 15:10:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 15:10:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 15:10:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 15:10:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 15:10:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 15:10:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 15:10:39,901 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 15:10:39,902 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-01 15:10:39,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:39 BoogieIcfgContainer [2019-12-01 15:10:39,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 15:10:39,903 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 15:10:39,903 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 15:10:39,910 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 15:10:39,910 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:39" (1/1) ... [2019-12-01 15:10:39,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 15:10:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 31 states and 30 transitions. [2019-12-01 15:10:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2019-12-01 15:10:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 15:10:39,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 30 states and 29 transitions. [2019-12-01 15:10:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2019-12-01 15:10:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 15:10:40,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 29 states and 28 transitions. [2019-12-01 15:10:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2019-12-01 15:10:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 15:10:40,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 28 states and 27 transitions. [2019-12-01 15:10:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-12-01 15:10:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 15:10:40,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 27 states and 26 transitions. [2019-12-01 15:10:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2019-12-01 15:10:40,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 15:10:40,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 26 states and 25 transitions. [2019-12-01 15:10:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2019-12-01 15:10:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 15:10:40,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2019-12-01 15:10:40,467 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2019-12-01 15:10:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:10:40,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 24 states and 23 transitions. [2019-12-01 15:10:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2019-12-01 15:10:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:10:40,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2019-12-01 15:10:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2019-12-01 15:10:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 15:10:40,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 22 states and 21 transitions. [2019-12-01 15:10:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-12-01 15:10:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 15:10:40,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 21 states and 20 transitions. [2019-12-01 15:10:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-12-01 15:10:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 15:10:40,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 20 states and 19 transitions. [2019-12-01 15:10:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2019-12-01 15:10:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 15:10:41,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2019-12-01 15:10:41,789 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-12-01 15:10:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 15:10:41,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 18 states and 17 transitions. [2019-12-01 15:10:44,534 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-12-01 15:10:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 15:10:44,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:45,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2019-12-01 15:10:45,678 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2019-12-01 15:10:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 15:10:45,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:10:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:10:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:10:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2019-12-01 15:10:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-12-01 15:10:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 15:10:46,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:10:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:10:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:10:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:10:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:10:47,055 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2019-12-01 15:10:47,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:10:47 ImpRootNode [2019-12-01 15:10:47,082 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 15:10:47,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 15:10:47,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 15:10:47,083 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 15:10:47,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:10:39" (3/4) ... [2019-12-01 15:10:47,085 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 15:10:47,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fd0f6cad-a5e2-416b-a0c7-0dc5e51765df/bin/ukojak/witness.graphml [2019-12-01 15:10:47,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 15:10:47,118 INFO L168 Benchmark]: Toolchain (without parser) took 7819.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 937.1 MB in the beginning and 889.5 MB in the end (delta: 47.5 MB). Peak memory consumption was 200.1 MB. Max. memory is 11.5 GB. [2019-12-01 15:10:47,118 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:10:47,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-01 15:10:47,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.70 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. [2019-12-01 15:10:47,119 INFO L168 Benchmark]: Boogie Preprocessor took 15.68 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. [2019-12-01 15:10:47,120 INFO L168 Benchmark]: RCFGBuilder took 230.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-12-01 15:10:47,121 INFO L168 Benchmark]: CodeCheck took 7179.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 897.8 MB in the end (delta: 150.9 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. [2019-12-01 15:10:47,121 INFO L168 Benchmark]: Witness Printer took 33.69 ms. Allocated memory is still 1.2 GB. Free memory was 897.8 MB in the beginning and 889.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-12-01 15:10:47,124 INFO L335 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, 31 locations, 17 error locations. Result: UNSAFE, OverallTime: 7.1s, OverallIterations: 16, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 35160 SDslu, 0 SDs, 0 SdLazy, 257286 SolverSat, 114962 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 635 GetRequests, 490 SyntacticMatches, 19 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6221 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 3292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 644]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L631-L638] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L639] data.p0 = malloc(37U) [L640] data.str.p2 = &data [L641] EXPR data.p0 [L641] void *ptr = data.p0; [L642] data.str.c[1] = sizeof data.str.p1 [L643] EXPR data.p0 [L643] free(data.p0) [L643] free(data.p0) [L643] free(data.p0) [L644] free(ptr) [L644] free(ptr) [L644] free(ptr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.70 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 15.68 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 230.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * CodeCheck took 7179.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 897.8 MB in the end (delta: 150.9 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. * Witness Printer took 33.69 ms. Allocated memory is still 1.2 GB. Free memory was 897.8 MB in the beginning and 889.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...