./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext_false-unreach-call_false-valid-memcleanup_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext_false-unreach-call_false-valid-memcleanup_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/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 dd1b14b919fe0392bfa201e707626cf5228609a3 .................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-10-26 21:54:51,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:54:51,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:54:51,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:54:51,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:54:51,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:54:51,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:54:51,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:54:51,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:54:51,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:54:51,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:54:51,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:54:51,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:54:51,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:54:51,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:54:51,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:54:51,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:54:51,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:54:51,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:54:51,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:54:51,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:54:51,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:54:51,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:54:51,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:54:51,548 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:54:51,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:54:51,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:54:51,551 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:54:51,552 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:54:51,553 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:54:51,553 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:54:51,554 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:54:51,554 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:54:51,554 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:54:51,556 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:54:51,557 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:54:51,557 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:54:51,569 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:54:51,569 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:54:51,569 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:54:51,570 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:54:51,570 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:54:51,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:54:51,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:54:51,571 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:54:51,572 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:54:51,572 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:54:51,572 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:54:51,572 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:54:51,572 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:54:51,572 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:54:51,572 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:54:51,573 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:54:51,573 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:54:51,573 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:54:51,573 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:54:51,573 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:54:51,573 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:54:51,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:54:51,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:54:51,574 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:54:51,574 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:54:51,574 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:54:51,574 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:54:51,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:54:51,575 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_8bd509f6-892e-4737-aea7-d58474101f26/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 -> dd1b14b919fe0392bfa201e707626cf5228609a3 [2018-10-26 21:54:51,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:54:51,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:54:51,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:54:51,624 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:54:51,624 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:54:51,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/../../sv-benchmarks/c/list-ext-properties/simple-ext_false-unreach-call_false-valid-memcleanup_true-termination.i [2018-10-26 21:54:51,670 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/data/d93b9ac2a/28e3d0020e514a729a44214686665b14/FLAG2bceb899d [2018-10-26 21:54:52,093 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:54:52,094 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/sv-benchmarks/c/list-ext-properties/simple-ext_false-unreach-call_false-valid-memcleanup_true-termination.i [2018-10-26 21:54:52,105 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/data/d93b9ac2a/28e3d0020e514a729a44214686665b14/FLAG2bceb899d [2018-10-26 21:54:52,118 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/data/d93b9ac2a/28e3d0020e514a729a44214686665b14 [2018-10-26 21:54:52,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:54:52,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:54:52,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:52,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:54:52,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:54:52,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da017af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52, skipping insertion in model container [2018-10-26 21:54:52,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:54:52,179 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:54:52,427 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:52,440 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:54:52,475 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:52,512 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:54:52,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52 WrapperNode [2018-10-26 21:54:52,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:52,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:52,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:54:52,513 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:54:52,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:52,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:54:52,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:54:52,615 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:54:52,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... [2018-10-26 21:54:52,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:54:52,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:54:52,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:54:52,644 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:54:52,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/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 [2018-10-26 21:54:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 21:54:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:54:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-10-26 21:54:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 21:54:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-10-26 21:54:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-10-26 21:54:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:54:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:54:53,583 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:54:53,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:53 BoogieIcfgContainer [2018-10-26 21:54:53,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:54:53,584 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:54:53,584 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:54:53,593 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:54:53,594 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:53" (1/1) ... [2018-10-26 21:54:53,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:54:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-10-26 21:54:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-10-26 21:54:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 21:54:53,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:54:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2018-10-26 21:54:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-10-26 21:54:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 21:54:53,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:54:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:54:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:54:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:54:53,845 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 21:54:53,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:54:53 ImpRootNode [2018-10-26 21:54:53,870 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:54:53,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:54:53,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:54:53,871 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:54:53,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:53" (3/4) ... [2018-10-26 21:54:53,873 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 21:54:53,916 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8bd509f6-892e-4737-aea7-d58474101f26/bin-2019/ukojak/witness.graphml [2018-10-26 21:54:53,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:54:53,917 INFO L168 Benchmark]: Toolchain (without parser) took 1792.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:53,919 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:54:53,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:53,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -228.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:53,921 INFO L168 Benchmark]: Boogie Preprocessor took 29.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:53,921 INFO L168 Benchmark]: RCFGBuilder took 939.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:53,923 INFO L168 Benchmark]: CodeCheck took 286.11 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:53,923 INFO L168 Benchmark]: Witness Printer took 46.24 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. [2018-10-26 21:54:53,926 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 2 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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: 647]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L628] EXPR, FCALL malloc(sizeof(struct node)) [L628] List a = (List) malloc(sizeof(struct node)); [L629] COND FALSE !(a == 0) [L630] List t; [L631] List p = a; [L632] int i = 0; [L633] i < 30 && __VERIFIER_nondet_int() [L633] i < 30 && __VERIFIER_nondet_int() [L633] COND FALSE !(i < 30 && __VERIFIER_nondet_int()) [L641] FCALL p->h = i [L642] FCALL p->n = 0 [L643] p = a [L644] i = 0 [L645] COND TRUE p!=0 [L646] CALL, EXPR p->h [L646] RET, EXPR p->h [L646] COND TRUE p->h != 1 [L647] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -228.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 939.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * CodeCheck took 286.11 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Witness Printer took 46.24 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...