./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure_ptr_true-termination.c_true-unreach-call.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_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure_ptr_true-termination.c_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/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 ba8c3ab7692cdfe311be2a8c99aab063ad0366de ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:13:03,000 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:13:03,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:13:03,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:13:03,008 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:13:03,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:13:03,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:13:03,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:13:03,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:13:03,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:13:03,013 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:13:03,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:13:03,014 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:13:03,014 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:13:03,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:13:03,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:13:03,016 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:13:03,018 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:13:03,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:13:03,020 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:13:03,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:13:03,021 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:13:03,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:13:03,023 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:13:03,023 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:13:03,024 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:13:03,025 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:13:03,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:13:03,026 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:13:03,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:13:03,027 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:13:03,027 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:13:03,027 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:13:03,027 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:13:03,028 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:13:03,028 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:13:03,029 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:13:03,039 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:13:03,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:13:03,040 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:13:03,040 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:13:03,041 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:13:03,041 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:13:03,041 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:13:03,041 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:13:03,041 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:13:03,041 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:13:03,042 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:13:03,042 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:13:03,042 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:13:03,042 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:13:03,042 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:13:03,042 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:13:03,042 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:13:03,042 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:13:03,043 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:13:03,043 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:13:03,043 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:13:03,043 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:13:03,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:13:03,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:13:03,044 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:13:03,044 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:13:03,044 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:13:03,044 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:13:03,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:13:03,044 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_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/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 -> ba8c3ab7692cdfe311be2a8c99aab063ad0366de [2018-11-18 09:13:03,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:13:03,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:13:03,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:13:03,076 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:13:03,076 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:13:03,077 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/nested_structure_ptr_true-termination.c_true-unreach-call.i [2018-11-18 09:13:03,114 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/data/750dd02fc/17c20c00013447e28b213150a580e23e/FLAG97f7db8e0 [2018-11-18 09:13:03,511 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:13:03,511 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/sv-benchmarks/c/ldv-regression/nested_structure_ptr_true-termination.c_true-unreach-call.i [2018-11-18 09:13:03,516 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/data/750dd02fc/17c20c00013447e28b213150a580e23e/FLAG97f7db8e0 [2018-11-18 09:13:03,524 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/data/750dd02fc/17c20c00013447e28b213150a580e23e [2018-11-18 09:13:03,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:13:03,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:13:03,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:13:03,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:13:03,531 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:13:03,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03, skipping insertion in model container [2018-11-18 09:13:03,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:13:03,557 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:13:03,662 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:13:03,669 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:13:03,679 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:13:03,690 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:13:03,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03 WrapperNode [2018-11-18 09:13:03,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:13:03,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:13:03,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:13:03,691 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:13:03,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:13:03,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:13:03,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:13:03,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:13:03,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:13:03,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:13:03,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:13:03,726 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:13:03,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/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 09:13:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:13:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 09:13:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:13:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:13:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:13:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:13:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:13:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 09:13:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:13:03,958 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:13:03,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:13:03 BoogieIcfgContainer [2018-11-18 09:13:03,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:13:03,958 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:13:03,959 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:13:03,965 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:13:03,965 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:13:03" (1/1) ... [2018-11-18 09:13:03,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:13:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:13:03,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 09:13:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 09:13:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 09:13:03,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:13:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:13:04,126 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 09:13:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:13:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-18 09:13:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-18 09:13:04,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:13:04,153 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-18 09:13:04,159 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:13:04,165 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:13:04,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:13:04 ImpRootNode [2018-11-18 09:13:04,168 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:13:04,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:13:04,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:13:04,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:13:04,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:13:03" (3/4) ... [2018-11-18 09:13:04,172 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:13:04,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 09:13:04,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:13:04,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 09:13:04,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:13:04,206 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dcd50fb3-92a1-4a88-a4d8-e02ecf9b03a5/bin-2019/ukojak/witness.graphml [2018-11-18 09:13:04,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:13:04,207 INFO L168 Benchmark]: Toolchain (without parser) took 679.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 361.3 kB. Max. memory is 11.5 GB. [2018-11-18 09:13:04,208 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:13:04,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.59 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:04,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.25 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:04,209 INFO L168 Benchmark]: Boogie Preprocessor took 13.13 ms. Allocated memory is still 1.0 GB. Free memory is still 939.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:13:04,209 INFO L168 Benchmark]: RCFGBuilder took 231.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:04,209 INFO L168 Benchmark]: CodeCheck took 209.30 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:04,210 INFO L168 Benchmark]: Witness Printer took 37.90 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:13:04,212 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, 10 locations, 1 error locations. SAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.59 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.25 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.13 ms. Allocated memory is still 1.0 GB. Free memory is still 939.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 231.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * CodeCheck took 209.30 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Witness Printer took 37.90 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...