./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call2_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_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/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 19159d757ff9bc2b1ccf1f6a0fb8efc50ca58127 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:43:49,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:43:49,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:43:49,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:43:49,960 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:43:49,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:43:49,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:43:49,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:43:49,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:43:49,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:43:49,966 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:43:49,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:43:49,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:43:49,968 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:43:49,968 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:43:49,969 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:43:49,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:43:49,971 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:43:49,973 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:43:49,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:43:49,974 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:43:49,976 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:43:49,978 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:43:49,978 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:43:49,978 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:43:49,979 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:43:49,980 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:43:49,981 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:43:49,981 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:43:49,982 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:43:49,982 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:43:49,985 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:43:49,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:43:49,986 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:43:49,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:43:49,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:43:49,987 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:43:50,001 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:43:50,006 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:43:50,008 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:43:50,008 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:43:50,009 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:43:50,009 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:43:50,009 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:43:50,009 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:43:50,010 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:43:50,010 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:43:50,010 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:43:50,010 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:43:50,010 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:43:50,010 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:43:50,010 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:43:50,010 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:43:50,011 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:43:50,011 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:43:50,011 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:43:50,011 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:43:50,011 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:43:50,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:43:50,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:43:50,012 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:43:50,012 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:43:50,012 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:43:50,012 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:43:50,012 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:43:50,012 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_38d5f9c5-7a58-499e-917c-64856b621cff/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 -> 19159d757ff9bc2b1ccf1f6a0fb8efc50ca58127 [2018-10-26 23:43:50,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:43:50,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:43:50,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:43:50,055 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:43:50,056 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:43:50,056 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i [2018-10-26 23:43:50,105 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/data/afa651dbc/ddda7036c4724ea28cd051a7317f46f1/FLAG5b3982856 [2018-10-26 23:43:50,480 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:43:50,480 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i [2018-10-26 23:43:50,485 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/data/afa651dbc/ddda7036c4724ea28cd051a7317f46f1/FLAG5b3982856 [2018-10-26 23:43:50,497 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/data/afa651dbc/ddda7036c4724ea28cd051a7317f46f1 [2018-10-26 23:43:50,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:43:50,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:43:50,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:43:50,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:43:50,510 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:43:50,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50, skipping insertion in model container [2018-10-26 23:43:50,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:43:50,540 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:43:50,653 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:43:50,656 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:43:50,666 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:43:50,676 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:43:50,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50 WrapperNode [2018-10-26 23:43:50,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:43:50,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:43:50,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:43:50,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:43:50,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:43:50,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:43:50,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:43:50,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:43:50,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... [2018-10-26 23:43:50,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:43:50,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:43:50,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:43:50,714 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:43:50,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:43:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/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 23:43:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:43:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:43:51,091 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:43:51,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:43:51 BoogieIcfgContainer [2018-10-26 23:43:51,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:43:51,092 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:43:51,092 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:43:51,102 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:43:51,102 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:43:51" (1/1) ... [2018-10-26 23:43:51,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:43:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 23:43:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 23:43:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 23:43:51,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:51,499 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 23:43:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-26 23:43:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-26 23:43:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 23:43:52,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:43:52,393 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-10-26 23:43:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-26 23:43:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-26 23:43:52,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:43:52,986 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-10-26 23:43:52,994 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:43:53,046 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 23:43:53,053 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 23:43:53,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:43:53 ImpRootNode [2018-10-26 23:43:53,054 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:43:53,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:43:53,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:43:53,055 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:43:53,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:43:51" (3/4) ... [2018-10-26 23:43:53,058 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:43:53,067 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 23:43:53,067 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:43:53,067 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:43:53,097 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_38d5f9c5-7a58-499e-917c-64856b621cff/bin-2019/ukojak/witness.graphml [2018-10-26 23:43:53,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:43:53,098 INFO L168 Benchmark]: Toolchain (without parser) took 2595.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -111.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:53,098 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:43:53,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:53,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.14 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:43:53,100 INFO L168 Benchmark]: Boogie Preprocessor took 13.34 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 948.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:53,100 INFO L168 Benchmark]: RCFGBuilder took 378.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:53,101 INFO L168 Benchmark]: CodeCheck took 1962.09 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: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:53,101 INFO L168 Benchmark]: Witness Printer took 42.77 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. [2018-10-26 23:43:53,104 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, 11 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 12 SDslu, 12 SDs, 0 SdLazy, 46 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 91 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/3 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: 7]: Loop Invariant Derived loop invariant: ((k <= 3 * i && 3 * i <= k) && 2 * i <= j) && j <= 2 * i - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((k <= 3 * i && 3 * i <= k) && 2 * i <= j) && j <= 2 * i * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.22 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 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 22.14 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.34 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 948.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 378.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1962.09 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: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.77 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 correct! Received shutdown request...