./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c --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_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/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 06d11383001c52cfbf19a51eafe2dc3d238c9679 ............................................................................................................................................................................................................................................................................ 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 13:19:19,502 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:19:19,503 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:19:19,511 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:19:19,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:19:19,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:19:19,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:19:19,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:19:19,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:19:19,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:19:19,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:19:19,517 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:19:19,517 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:19:19,518 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:19:19,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:19:19,519 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:19:19,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:19:19,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:19:19,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:19:19,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:19:19,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:19:19,524 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:19:19,526 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:19:19,526 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:19:19,526 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:19:19,527 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:19:19,527 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:19:19,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:19:19,528 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:19:19,529 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:19:19,529 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:19:19,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:19:19,530 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:19:19,530 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:19:19,530 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:19:19,531 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:19:19,531 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:19:19,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:19:19,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:19:19,541 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:19:19,541 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:19:19,541 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:19:19,542 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:19:19,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:19:19,542 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:19:19,542 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:19:19,542 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:19:19,542 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:19:19,542 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:19:19,542 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:19:19,543 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:19:19,543 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:19:19,543 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:19:19,543 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:19:19,543 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:19:19,543 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:19:19,543 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:19:19,543 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:19:19,544 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:19:19,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:19:19,544 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:19:19,544 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:19:19,544 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:19:19,544 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:19:19,544 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:19:19,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:19:19,545 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_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/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 -> 06d11383001c52cfbf19a51eafe2dc3d238c9679 [2018-11-18 13:19:19,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:19:19,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:19:19,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:19:19,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:19:19,579 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:19:19,580 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-11-18 13:19:19,621 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/data/5f080c55c/fe0170d0490940f09733127567f62f6a/FLAGe7f7318d2 [2018-11-18 13:19:20,103 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:19:20,104 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-11-18 13:19:20,115 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/data/5f080c55c/fe0170d0490940f09733127567f62f6a/FLAGe7f7318d2 [2018-11-18 13:19:20,596 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/data/5f080c55c/fe0170d0490940f09733127567f62f6a [2018-11-18 13:19:20,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:19:20,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:19:20,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:19:20,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:19:20,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:19:20,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:19:20" (1/1) ... [2018-11-18 13:19:20,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4546e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:20, skipping insertion in model container [2018-11-18 13:19:20,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:19:20" (1/1) ... [2018-11-18 13:19:20,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:19:20,651 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:19:20,953 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:19:20,956 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:19:21,078 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:19:21,091 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:19:21,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21 WrapperNode [2018-11-18 13:19:21,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:19:21,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:19:21,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:19:21,092 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:19:21,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:19:21,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:19:21,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:19:21,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:19:21,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... [2018-11-18 13:19:21,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:19:21,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:19:21,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:19:21,332 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:19:21,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:19:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/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 13:19:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:19:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:19:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:24:59,148 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:24:59,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:24:59 BoogieIcfgContainer [2018-11-18 13:24:59,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:24:59,149 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:24:59,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:24:59,156 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:24:59,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:24:59" (1/1) ... [2018-11-18 13:24:59,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:24:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:24:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 13:24:59,187 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 13:24:59,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:24:59,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:24:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:24:59,325 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 13:24:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:24:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 13:24:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 13:24:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 13:24:59,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:24:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:24:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:25:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:25:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-18 13:25:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-18 13:25:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:25:10,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:25:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:11,162 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 35 [2018-11-18 13:25:11,340 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 44 [2018-11-18 13:25:11,530 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 53 [2018-11-18 13:25:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:25:41,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:25:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2018-11-18 13:25:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2018-11-18 13:25:41,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:25:41,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:25:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:25:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:25:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2018-11-18 13:25:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2018-11-18 13:25:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:25:42,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:25:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:25:47,103 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-11-18 13:25:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:25:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2018-11-18 13:25:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2018-11-18 13:25:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:25:48,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:25:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:25:51,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:25:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2018-11-18 13:25:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2018-11-18 13:25:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:25:51,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:25:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:25:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:25:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 91 transitions. [2018-11-18 13:25:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2018-11-18 13:25:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:25:53,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:25:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:25:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:25:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 52 states and 94 transitions. [2018-11-18 13:25:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2018-11-18 13:25:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:25:54,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:25:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:25:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:25:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2018-11-18 13:25:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2018-11-18 13:25:56,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:25:56,142 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-18 13:25:56,148 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:25:56,261 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2018-11-18 13:25:56,379 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2018-11-18 13:25:56,491 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2018-11-18 13:25:56,615 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2018-11-18 13:25:56,699 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:25:56,701 INFO L579 CodeCheckObserver]: Invariant with dag size 29 [2018-11-18 13:25:56,706 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-18 13:25:56,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:25:56 ImpRootNode [2018-11-18 13:25:56,707 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:25:56,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:25:56,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:25:56,708 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:25:56,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:24:59" (3/4) ... [2018-11-18 13:25:56,711 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:25:56,725 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 250 nodes and edges [2018-11-18 13:25:56,727 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-18 13:25:56,728 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 13:25:56,729 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:25:56,854 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3976fd23-dd5e-4935-9ec1-fccc01a1a8e1/bin-2019/ukojak/witness.graphml [2018-11-18 13:25:56,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:25:56,855 INFO L168 Benchmark]: Toolchain (without parser) took 396256.28 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 956.4 MB in the beginning and 1.9 GB in the end (delta: -963.9 MB). Peak memory consumption was 203.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:56,855 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. [2018-11-18 13:25:56,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.17 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 897.4 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:56,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 897.4 MB in the beginning and 1.1 GB in the end (delta: -219.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:56,856 INFO L168 Benchmark]: Boogie Preprocessor took 73.55 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: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:56,857 INFO L168 Benchmark]: RCFGBuilder took 337817.61 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 269.0 MB). Free memory was 1.1 GB in the beginning and 970.8 MB in the end (delta: 129.4 MB). Peak memory consumption was 676.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:56,857 INFO L168 Benchmark]: CodeCheck took 57557.87 ms. Allocated memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: 755.5 MB). Free memory was 970.8 MB in the beginning and 1.9 GB in the end (delta: -974.1 MB). Peak memory consumption was 978.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:56,857 INFO L168 Benchmark]: Witness Printer took 146.94 ms. Allocated memory is still 2.2 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:56,859 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, 284 locations, 1 error locations. SAFE Result, 56.9s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3600 SDtfs, 8646 SDslu, 8256 SDs, 0 SdLazy, 19742 SolverSat, 2480 SolverUnsat, 512 SolverUnknown, 0 SolverNotchecked, 290.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1541 GetRequests, 1350 SyntacticMatches, 89 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5239 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 45215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 90/184 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: 84]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((!(a25 == 9) && a8 == 15) && a3 == 1) || ((a8 == 15 && (246 <= a29 || a29 <= 140)) && a3 == 1)) || ((a8 == 15 && ((a23 <= 138 || !(a4 == 1)) || 307 <= a23)) && a3 == 1) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((a8 == 15 && a3 == 1) && a29 <= 140) || ((((((!(a25 == 9) || 306 < a23) || a23 <= 138) || 245 < a29) || !(a4 == 1)) && a8 == 15) && a3 == 1) * 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 492.17 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 897.4 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 897.4 MB in the beginning and 1.1 GB in the end (delta: -219.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.55 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: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 337817.61 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 269.0 MB). Free memory was 1.1 GB in the beginning and 970.8 MB in the end (delta: 129.4 MB). Peak memory consumption was 676.2 MB. Max. memory is 11.5 GB. * CodeCheck took 57557.87 ms. Allocated memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: 755.5 MB). Free memory was 970.8 MB in the beginning and 1.9 GB in the end (delta: -974.1 MB). Peak memory consumption was 978.9 MB. Max. memory is 11.5 GB. * Witness Printer took 146.94 ms. Allocated memory is still 2.2 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...