./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-lit/bhmr2007_true-unreach-call_true-termination.c.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_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/bhmr2007_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/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 cc52fae450c71cb08003ff68124573964734a280 ................................................................................................................................................................................................................................ 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 23:51:51,377 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:51:51,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:51:51,388 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:51:51,388 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:51:51,389 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:51:51,390 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:51:51,391 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:51:51,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:51:51,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:51:51,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:51:51,394 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:51:51,395 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:51:51,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:51:51,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:51:51,397 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:51:51,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:51:51,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:51:51,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:51:51,402 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:51:51,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:51:51,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:51:51,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:51:51,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:51:51,406 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:51:51,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:51:51,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:51:51,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:51:51,409 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:51:51,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:51:51,409 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:51:51,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:51:51,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:51:51,411 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:51:51,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:51:51,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:51:51,412 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:51:51,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:51:51,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:51:51,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:51:51,424 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:51:51,424 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:51:51,424 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:51:51,424 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:51:51,424 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:51:51,425 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:51:51,425 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:51:51,425 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:51:51,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:51:51,425 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:51:51,425 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:51:51,425 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:51:51,425 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:51:51,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:51:51,427 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:51:51,427 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:51:51,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:51:51,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:51:51,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:51:51,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:51:51,428 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:51:51,428 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:51:51,428 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:51:51,428 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:51:51,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:51:51,429 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_f4402b5d-e2db-40ab-bed1-6632b06ce43b/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 -> cc52fae450c71cb08003ff68124573964734a280 [2018-10-26 23:51:51,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:51:51,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:51:51,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:51:51,476 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:51:51,476 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:51:51,477 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/../../sv-benchmarks/c/loop-lit/bhmr2007_true-unreach-call_true-termination.c.i [2018-10-26 23:51:51,519 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/data/0a4e48038/8b03a734e0304d0bb7f5e15911b3eb57/FLAGa6455adf1 [2018-10-26 23:51:51,880 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:51:51,880 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/sv-benchmarks/c/loop-lit/bhmr2007_true-unreach-call_true-termination.c.i [2018-10-26 23:51:51,885 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/data/0a4e48038/8b03a734e0304d0bb7f5e15911b3eb57/FLAGa6455adf1 [2018-10-26 23:51:51,897 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/data/0a4e48038/8b03a734e0304d0bb7f5e15911b3eb57 [2018-10-26 23:51:51,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:51:51,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:51:51,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:51:51,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:51:51,906 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:51:51,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:51:51" (1/1) ... [2018-10-26 23:51:51,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d0e43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:51, skipping insertion in model container [2018-10-26 23:51:51,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:51:51" (1/1) ... [2018-10-26 23:51:51,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:51:51,933 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:51:52,041 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:51:52,044 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:51:52,058 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:51:52,068 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:51:52,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52 WrapperNode [2018-10-26 23:51:52,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:51:52,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:51:52,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:51:52,069 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:51:52,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:51:52,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:51:52,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:51:52,095 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:51:52,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:51:52,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:51:52,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:51:52,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:51:52,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/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 23:51:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:51:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:51:52,595 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:51:52,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:51:52 BoogieIcfgContainer [2018-10-26 23:51:52,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:51:52,596 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:51:52,596 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:51:52,606 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:51:52,607 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:51:52" (1/1) ... [2018-10-26 23:51:52,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:51:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:52,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-10-26 23:51:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-10-26 23:51:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 23:51:52,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:52,753 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 23:51:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-26 23:51:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-26 23:51:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 23:51:52,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:53,020 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-26 23:51:53,208 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 23:51:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-10-26 23:51:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-10-26 23:51:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 23:51:53,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-26 23:51:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-26 23:51:54,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:51:54,219 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-10-26 23:51:54,227 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:51:54,336 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 23:51:54,344 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:51:54,344 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:51:54,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:51:54 ImpRootNode [2018-10-26 23:51:54,345 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:51:54,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:51:54,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:51:54,346 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:51:54,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:51:52" (3/4) ... [2018-10-26 23:51:54,349 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:51:54,356 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 23:51:54,356 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:51:54,357 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:51:54,396 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4402b5d-e2db-40ab-bed1-6632b06ce43b/bin-2019/ukojak/witness.graphml [2018-10-26 23:51:54,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:51:54,397 INFO L168 Benchmark]: Toolchain (without parser) took 2496.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -104.9 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:51:54,397 INFO L168 Benchmark]: CDTParser took 0.12 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 23:51:54,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.72 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 947.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:51:54,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:51:54,399 INFO L168 Benchmark]: Boogie Preprocessor took 15.41 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:51:54,399 INFO L168 Benchmark]: RCFGBuilder took 485.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 945.1 MB in the beginning and 1.2 GB in the end (delta: -209.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:51:54,400 INFO L168 Benchmark]: CodeCheck took 1748.75 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: 84.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:51:54,400 INFO L168 Benchmark]: Witness Printer took 50.69 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. [2018-10-26 23:51:54,403 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, 15 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 24 SDslu, 16 SDs, 0 SdLazy, 120 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 144 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 1565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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: 5]: 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: 14]: Loop Invariant Derived loop invariant: (a + b < 3 * n + 1 && a + b <= 3 * i) && 3 * i <= a + b - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 166.72 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 947.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.41 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 485.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 945.1 MB in the beginning and 1.2 GB in the end (delta: -209.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1748.75 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: 84.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 11.5 GB. * Witness Printer took 50.69 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...