./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/selectionsort_unsafe.c --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_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort_unsafe.c -s /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/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 74d770113cb1f1dff37024c2e31ce0944e8f2983 ................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-01 18:08:55,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 18:08:55,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 18:08:55,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 18:08:55,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 18:08:55,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 18:08:55,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 18:08:55,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 18:08:55,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 18:08:55,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 18:08:55,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 18:08:55,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 18:08:55,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 18:08:55,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 18:08:55,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 18:08:55,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 18:08:55,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 18:08:55,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 18:08:55,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 18:08:55,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 18:08:55,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 18:08:55,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 18:08:55,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 18:08:55,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 18:08:55,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 18:08:55,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 18:08:55,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 18:08:55,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 18:08:55,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 18:08:55,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 18:08:55,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 18:08:55,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 18:08:55,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 18:08:55,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 18:08:55,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 18:08:55,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 18:08:55,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 18:08:55,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 18:08:55,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 18:08:55,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 18:08:55,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 18:08:55,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 18:08:55,344 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 18:08:55,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 18:08:55,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 18:08:55,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 18:08:55,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 18:08:55,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 18:08:55,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 18:08:55,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 18:08:55,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 18:08:55,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 18:08:55,347 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 18:08:55,347 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 18:08:55,347 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 18:08:55,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 18:08:55,348 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 18:08:55,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 18:08:55,348 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 18:08:55,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 18:08:55,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 18:08:55,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 18:08:55,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 18:08:55,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 18:08:55,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 18:08:55,349 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 18:08:55,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 18:08:55,350 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_31129612-d9b7-4028-8573-e6216376e03a/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 -> 74d770113cb1f1dff37024c2e31ce0944e8f2983 [2019-12-01 18:08:55,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 18:08:55,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 18:08:55,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 18:08:55,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 18:08:55,461 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 18:08:55,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/../../sv-benchmarks/c/array-memsafety/selectionsort_unsafe.c [2019-12-01 18:08:55,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/data/ff79109b0/88bc2c94660c4d3983d63ffded2431b3/FLAGe03cfc1fb [2019-12-01 18:08:55,900 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 18:08:55,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/sv-benchmarks/c/array-memsafety/selectionsort_unsafe.c [2019-12-01 18:08:55,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/data/ff79109b0/88bc2c94660c4d3983d63ffded2431b3/FLAGe03cfc1fb [2019-12-01 18:08:55,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/data/ff79109b0/88bc2c94660c4d3983d63ffded2431b3 [2019-12-01 18:08:55,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 18:08:55,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 18:08:55,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 18:08:55,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 18:08:55,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 18:08:55,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:08:55" (1/1) ... [2019-12-01 18:08:55,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bdc395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:55, skipping insertion in model container [2019-12-01 18:08:55,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:08:55" (1/1) ... [2019-12-01 18:08:55,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 18:08:55,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 18:08:56,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:08:56,072 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 18:08:56,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:08:56,094 INFO L208 MainTranslator]: Completed translation [2019-12-01 18:08:56,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56 WrapperNode [2019-12-01 18:08:56,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 18:08:56,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 18:08:56,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 18:08:56,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 18:08:56,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 18:08:56,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 18:08:56,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 18:08:56,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 18:08:56,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 18:08:56,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 18:08:56,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 18:08:56,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 18:08:56,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/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 18:08:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 18:08:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 18:08:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 18:08:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 18:08:56,385 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 18:08:56,385 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-01 18:08:56,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:56 BoogieIcfgContainer [2019-12-01 18:08:56,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 18:08:56,386 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 18:08:56,386 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 18:08:56,393 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 18:08:56,393 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:56" (1/1) ... [2019-12-01 18:08:56,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 18:08:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2019-12-01 18:08:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-12-01 18:08:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 18:08:56,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:56,518 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 18:08:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:56,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2019-12-01 18:08:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2019-12-01 18:08:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 18:08:56,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 18:08:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 18:08:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 18:08:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 18:08:56,591 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-12-01 18:08:56,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:08:56 ImpRootNode [2019-12-01 18:08:56,607 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 18:08:56,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 18:08:56,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 18:08:56,608 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 18:08:56,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:56" (3/4) ... [2019-12-01 18:08:56,609 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 18:08:56,636 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_31129612-d9b7-4028-8573-e6216376e03a/bin/ukojak/witness.graphml [2019-12-01 18:08:56,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 18:08:56,637 INFO L168 Benchmark]: Toolchain (without parser) took 721.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 943.6 MB in the beginning and 1.0 GB in the end (delta: -96.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:08:56,638 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:08:56,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 18:08:56,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.70 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 18:08:56,639 INFO L168 Benchmark]: Boogie Preprocessor took 15.01 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 18:08:56,639 INFO L168 Benchmark]: RCFGBuilder took 247.49 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-12-01 18:08:56,639 INFO L168 Benchmark]: CodeCheck took 220.98 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-01 18:08:56,640 INFO L168 Benchmark]: Witness Printer took 28.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:08:56,642 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, 24 locations, 13 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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: 12]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L23] int *a; [L24] int array_size = __VERIFIER_nondet_int(); [L5] int i; [L6] i = 0 [L6] COND TRUE i < array_size - 1 [L8] int j, min, temp; [L9] min = i [L10] j = i+1 [L10] COND TRUE j < array_size [L12] a[j] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.70 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 15.01 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 247.49 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * CodeCheck took 220.98 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Witness Printer took 28.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...