./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-examples/relax-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-examples/relax-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/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 c75be524a4f1d004e59f9ab0d874b08a78bf36d3 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:17:07,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:07,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:07,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:07,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:07,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:07,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:07,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:07,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:07,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:07,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:07,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:07,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:07,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:07,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:07,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:07,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:07,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:07,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:07,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:07,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:07,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:07,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:07,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:07,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:07,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:07,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:07,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:07,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:07,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:07,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:07,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:07,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:07,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:07,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:07,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:07,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:07,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:07,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:07,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:07,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:07,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:17:07,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:07,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:07,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:07,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:07,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:07,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:07,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:17:07,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:07,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:07,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:07,355 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:17:07,355 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:17:07,355 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:17:07,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:07,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:07,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:07,356 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:07,356 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:07,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:07,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:07,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:07,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:07,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:07,357 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:07,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:07,357 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/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/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 -> c75be524a4f1d004e59f9ab0d874b08a78bf36d3 [2019-10-22 10:17:07,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:07,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:07,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:07,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:07,403 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:07,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/../../sv-benchmarks/c/array-examples/relax-1.i [2019-10-22 10:17:07,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/data/8fb726310/2727a5019f4b4eb0857d220279325856/FLAG02cb9c251 [2019-10-22 10:17:07,905 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:07,910 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/sv-benchmarks/c/array-examples/relax-1.i [2019-10-22 10:17:07,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/data/8fb726310/2727a5019f4b4eb0857d220279325856/FLAG02cb9c251 [2019-10-22 10:17:08,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/data/8fb726310/2727a5019f4b4eb0857d220279325856 [2019-10-22 10:17:08,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:08,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:08,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:08,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:08,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:08,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433af1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08, skipping insertion in model container [2019-10-22 10:17:08,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,268 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:08,300 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:08,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:08,660 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:08,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:08,760 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:08,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08 WrapperNode [2019-10-22 10:17:08,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:08,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:08,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:08,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:08,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:08,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:08,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:08,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:08,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... [2019-10-22 10:17:08,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:08,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:08,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:08,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:08,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/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 [2019-10-22 10:17:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:17:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:17:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:17:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:17:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:09,650 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:09,651 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-10-22 10:17:09,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:09 BoogieIcfgContainer [2019-10-22 10:17:09,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:09,652 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:09,653 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:09,664 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:09,665 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:09" (1/1) ... [2019-10-22 10:17:09,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2019-10-22 10:17:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2019-10-22 10:17:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:17:09,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2019-10-22 10:17:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2019-10-22 10:17:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:17:09,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:10,100 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-10-22 10:17:10,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:10 ImpRootNode [2019-10-22 10:17:10,136 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:10,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:10,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:10,137 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:10,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:09" (3/4) ... [2019-10-22 10:17:10,140 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:17:10,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b1e3dfc0-c1e0-49d8-9bee-9f0ac79a94c0/bin/ukojak/witness.graphml [2019-10-22 10:17:10,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:10,189 INFO L168 Benchmark]: Toolchain (without parser) took 1934.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -71.2 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:10,190 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:10,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:10,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.82 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:10,194 INFO L168 Benchmark]: Boogie Preprocessor took 28.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:10,195 INFO L168 Benchmark]: RCFGBuilder took 817.35 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:10,195 INFO L168 Benchmark]: CodeCheck took 483.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:10,196 INFO L168 Benchmark]: Witness Printer took 50.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:10,199 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, 66 locations, 31 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 570]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L585] unsigned long pat_len = __VERIFIER_nondet_ulong(), a_len = __VERIFIER_nondet_ulong(); [L585] unsigned long pat_len = __VERIFIER_nondet_ulong(), a_len = __VERIFIER_nondet_ulong(); [L586] int *pat=malloc(sizeof(int)*pat_len); [L587] int *a=malloc(sizeof(int)*a_len); [L565] COND FALSE !(pat_length>a_length+1) [L567] int shift=0; [L568] int i=0; [L568] COND TRUE i