./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test28-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test28-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab8dcad35597bc77a09246c20c802a7c0b3d86b ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:16:44,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:44,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:44,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:44,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:44,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:44,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:44,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:44,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:44,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:44,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:44,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:44,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:44,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:44,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:44,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:44,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:44,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:44,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:44,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:44,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:44,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:44,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:44,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:44,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:44,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:44,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:44,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:44,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:44,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:44,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:44,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:44,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:44,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:44,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:44,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:44,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:44,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:44,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:44,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:44,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:44,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:16:44,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:44,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:44,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:16:44,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:16:44,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:44,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:44,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:44,311 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:44,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:44,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:44,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:44,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:16:44,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:44,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:16:44,312 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:44,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:16:44,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:44,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:16:44,313 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:44,313 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:44,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:44,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:44,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:44,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:44,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:44,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:16:44,314 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:44,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:44,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:16:44,315 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_303d3ec7-9972-4043-8572-93da2de2c20c/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 ! call(__VERIFIER_error())) ) 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 -> 4ab8dcad35597bc77a09246c20c802a7c0b3d86b [2019-10-22 10:16:44,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:44,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:44,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:44,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:44,365 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:44,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test28-1.c [2019-10-22 10:16:44,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/data/96cc2e62d/89836ae2d1e84c589b204d47ac4432e7/FLAG3281bd88e [2019-10-22 10:16:44,791 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:44,792 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/sv-benchmarks/c/ldv-regression/test28-1.c [2019-10-22 10:16:44,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/data/96cc2e62d/89836ae2d1e84c589b204d47ac4432e7/FLAG3281bd88e [2019-10-22 10:16:45,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/data/96cc2e62d/89836ae2d1e84c589b204d47ac4432e7 [2019-10-22 10:16:45,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:45,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:45,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:45,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:45,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:45,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3f706d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45, skipping insertion in model container [2019-10-22 10:16:45,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,223 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:45,239 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:45,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:45,426 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:45,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:45,449 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:45,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45 WrapperNode [2019-10-22 10:16:45,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:45,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:45,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:45,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:45,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:45,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:45,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:45,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:45,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:45,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:45,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:45,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:45,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/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 10:16:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:16:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:16:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:16:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:16:45,870 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:45,870 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:16:45,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:45 BoogieIcfgContainer [2019-10-22 10:16:45,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:45,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:45,872 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:45,890 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:45,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:45" (1/1) ... [2019-10-22 10:16:45,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-10-22 10:16:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-10-22 10:16:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:16:45,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:46,175 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-10-22 10:16:46,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:46 ImpRootNode [2019-10-22 10:16:46,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:46,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:46,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:46,201 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:46,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:45" (3/4) ... [2019-10-22 10:16:46,203 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:16:46,241 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_303d3ec7-9972-4043-8572-93da2de2c20c/bin/ukojak/witness.graphml [2019-10-22 10:16:46,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:46,243 INFO L168 Benchmark]: Toolchain (without parser) took 1036.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:46,243 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:46,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:46,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.99 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 10:16:46,245 INFO L168 Benchmark]: Boogie Preprocessor took 22.31 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 10:16:46,245 INFO L168 Benchmark]: RCFGBuilder took 368.08 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:46,246 INFO L168 Benchmark]: CodeCheck took 328.04 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:46,246 INFO L168 Benchmark]: Witness Printer took 40.92 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 10:16:46,249 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, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 26]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] struct dummy d1, d2; [L13] int n = __VERIFIER_nondet_int(); [L14] EXPR n ? &d1 : &d2 [L14] struct dummy *pd = n ? &d1 : &d2; [L15] COND TRUE pd == &d2 [L16] pd->a = 0 [L20] pd == &d2 && d2.b != 0 [L20] EXPR d2.b [L20] pd == &d2 && d2.b != 0 [L20] COND TRUE pd == &d2 && d2.b != 0 [L26] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 242.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 368.08 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * CodeCheck took 328.04 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Witness Printer took 40.92 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. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...