./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/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 adee0aad8018029b1a093d0ddfc0de44abfd0e03 ............................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 15:52:19,541 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:52:19,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:52:19,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:52:19,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:52:19,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:52:19,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:52:19,551 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:52:19,552 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:52:19,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:52:19,553 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:52:19,553 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:52:19,554 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:52:19,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:52:19,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:52:19,556 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:52:19,557 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:52:19,558 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:52:19,559 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:52:19,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:52:19,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:52:19,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:52:19,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:52:19,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:52:19,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:52:19,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:52:19,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:52:19,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:52:19,566 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:52:19,567 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:52:19,567 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:52:19,568 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:52:19,568 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:52:19,568 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:52:19,569 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:52:19,569 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:52:19,569 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:52:19,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:52:19,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:52:19,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:52:19,581 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:52:19,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:52:19,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:52:19,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:52:19,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:52:19,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:52:19,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:52:19,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:52:19,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:52:19,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:52:19,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:52:19,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:52:19,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:52:19,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:52:19,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:52:19,583 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:52:19,584 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:52:19,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:52:19,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:52:19,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:52:19,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:52:19,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:52:19,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:52:19,585 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:52:19,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:52:19,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:52:19,585 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> adee0aad8018029b1a093d0ddfc0de44abfd0e03 [2018-11-18 15:52:19,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:52:19,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:52:19,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:52:19,621 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:52:19,622 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:52:19,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 15:52:19,658 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/data/ebad41d06/9b31e48277ed4f87aa8e781597f384a4/FLAG4af23f271 [2018-11-18 15:52:20,083 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:52:20,084 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/sv-benchmarks/c/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 15:52:20,091 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/data/ebad41d06/9b31e48277ed4f87aa8e781597f384a4/FLAG4af23f271 [2018-11-18 15:52:20,099 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/data/ebad41d06/9b31e48277ed4f87aa8e781597f384a4 [2018-11-18 15:52:20,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:52:20,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:52:20,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:52:20,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:52:20,106 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:52:20,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab0bb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20, skipping insertion in model container [2018-11-18 15:52:20,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:52:20,144 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:52:20,329 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:52:20,336 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:52:20,366 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:52:20,442 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:52:20,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20 WrapperNode [2018-11-18 15:52:20,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:52:20,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:52:20,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:52:20,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:52:20,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:52:20,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:52:20,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:52:20,473 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:52:20,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:52:20,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:52:20,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:52:20,498 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:52:20,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:52:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:52:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:52:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:52:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:52:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 15:52:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 15:52:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:52:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:52:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:52:20,846 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:52:20,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:20 BoogieIcfgContainer [2018-11-18 15:52:20,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:52:20,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:52:20,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:52:20,855 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:52:20,856 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:20" (1/1) ... [2018-11-18 15:52:20,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:52:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:52:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2018-11-18 15:52:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2018-11-18 15:52:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 15:52:20,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:52:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:52:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:52:20,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:52:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-18 15:52:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-18 15:52:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 15:52:20,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:52:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:52:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:52:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:52:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:52:21,083 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 15:52:21,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:52:21 ImpRootNode [2018-11-18 15:52:21,107 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:52:21,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:52:21,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:52:21,108 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:52:21,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:52:20" (3/4) ... [2018-11-18 15:52:21,110 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 15:52:21,146 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fb78e33-5083-462b-996a-540a13e81011/bin-2019/ukojak/witness.graphml [2018-11-18 15:52:21,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:52:21,147 INFO L168 Benchmark]: Toolchain (without parser) took 1045.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -108.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:21,149 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:52:21,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:21,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.39 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. [2018-11-18 15:52:21,150 INFO L168 Benchmark]: Boogie Preprocessor took 24.88 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:21,150 INFO L168 Benchmark]: RCFGBuilder took 349.42 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:21,151 INFO L168 Benchmark]: CodeCheck took 259.84 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:21,151 INFO L168 Benchmark]: Witness Printer took 39.17 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:52:21,153 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 33 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 90 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, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1042]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND TRUE \read(*x) [L1041] EXPR, FCALL x->data [L1041] COND TRUE x->data != 1 [L1042] COND TRUE !(0) [L1042] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.39 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. * Boogie Preprocessor took 24.88 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 349.42 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * CodeCheck took 259.84 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 39.17 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...