./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label20_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_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label20_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/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 5d9d392c14a131e49f1eaea557bfd69667def3c2 ..................................................................................................................................................................................................................................................... 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 12:22:19,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:22:19,307 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:22:19,315 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:22:19,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:22:19,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:22:19,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:22:19,318 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:22:19,319 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:22:19,319 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:22:19,320 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:22:19,320 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:22:19,321 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:22:19,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:22:19,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:22:19,323 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:22:19,323 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:22:19,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:22:19,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:22:19,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:22:19,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:22:19,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:22:19,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:22:19,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:22:19,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:22:19,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:22:19,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:22:19,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:22:19,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:22:19,335 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:22:19,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:22:19,336 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:22:19,336 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:22:19,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:22:19,337 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:22:19,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:22:19,338 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:22:19,347 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:22:19,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:22:19,348 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:22:19,348 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:22:19,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:22:19,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:22:19,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:22:19,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:22:19,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:22:19,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:22:19,351 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:22:19,351 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:22:19,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:22:19,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:22:19,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:22:19,351 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:22:19,351 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:22:19,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:22:19,352 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:22:19,352 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:22:19,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:22:19,352 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_b126774b-ad89-4297-9037-5bff294f1e32/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 -> 5d9d392c14a131e49f1eaea557bfd69667def3c2 [2018-11-18 12:22:19,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:22:19,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:22:19,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:22:19,383 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:22:19,384 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:22:19,384 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-11-18 12:22:19,418 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/data/6fadcd4f6/67656b6024b546e5aaf8722c38585d92/FLAG65dea4d61 [2018-11-18 12:22:19,853 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:22:19,854 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/sv-benchmarks/c/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-11-18 12:22:19,863 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/data/6fadcd4f6/67656b6024b546e5aaf8722c38585d92/FLAG65dea4d61 [2018-11-18 12:22:19,874 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/data/6fadcd4f6/67656b6024b546e5aaf8722c38585d92 [2018-11-18 12:22:19,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:22:19,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:22:19,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:22:19,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:22:19,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:22:19,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:22:19" (1/1) ... [2018-11-18 12:22:19,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e32060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:19, skipping insertion in model container [2018-11-18 12:22:19,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:22:19" (1/1) ... [2018-11-18 12:22:19,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:22:19,927 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:22:20,150 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:22:20,153 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:22:20,217 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:22:20,227 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:22:20,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20 WrapperNode [2018-11-18 12:22:20,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:22:20,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:22:20,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:22:20,228 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:22:20,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:22:20,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:22:20,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:22:20,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:22:20,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... [2018-11-18 12:22:20,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:22:20,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:22:20,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:22:20,378 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:22:20,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/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 12:22:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:22:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:22:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:23:28,562 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:23:28,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:28 BoogieIcfgContainer [2018-11-18 12:23:28,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:23:28,563 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:23:28,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:23:28,570 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:23:28,570 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:28" (1/1) ... [2018-11-18 12:23:28,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 12:23:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 12:23:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 12:23:28,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:28,765 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 12:23:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 12:23:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 12:23:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:23:28,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:29,173 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 12:23:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:29,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-18 12:23:29,332 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-18 12:23:29,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:23:29,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:29,706 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 12:23:30,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-18 12:23:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-18 12:23:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:23:30,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:30,352 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 12:23:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2018-11-18 12:23:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2018-11-18 12:23:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:23:30,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:31,068 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 12:23:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2018-11-18 12:23:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2018-11-18 12:23:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:23:41,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:42,095 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 12:23:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2018-11-18 12:23:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2018-11-18 12:23:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:23:42,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:23:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:42,613 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 12:23:42,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:23:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2018-11-18 12:23:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2018-11-18 12:23:42,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:23:42,685 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-18 12:23:42,691 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:23:42,915 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 12:23:42,924 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-18 12:23:42,924 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:23:42,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:23:42 ImpRootNode [2018-11-18 12:23:42,925 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:23:42,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:23:42,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:23:42,926 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:23:42,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:28" (3/4) ... [2018-11-18 12:23:42,928 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:23:42,943 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 12:23:42,944 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 12:23:42,945 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:23:42,946 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:23:43,027 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b126774b-ad89-4297-9037-5bff294f1e32/bin-2019/ukojak/witness.graphml [2018-11-18 12:23:43,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:23:43,028 INFO L168 Benchmark]: Toolchain (without parser) took 83150.46 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 439.4 MB). Free memory was 951.1 MB in the beginning and 958.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 431.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:43,029 INFO L168 Benchmark]: CDTParser took 0.11 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 12:23:43,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.86 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:43,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -240.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:43,029 INFO L168 Benchmark]: Boogie Preprocessor took 47.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:43,030 INFO L168 Benchmark]: RCFGBuilder took 68185.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -140.4 MB). Peak memory consumption was 513.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:43,030 INFO L168 Benchmark]: CodeCheck took 14362.22 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 75.0 MB). Free memory was 1.3 GB in the beginning and 978.9 MB in the end (delta: 315.1 MB). Peak memory consumption was 390.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:43,030 INFO L168 Benchmark]: Witness Printer took 101.87 ms. Allocated memory is still 1.5 GB. Free memory was 978.9 MB in the beginning and 958.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:43,032 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, 207 locations, 1 error locations. SAFE Result, 14.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 864 SDtfs, 1944 SDslu, 1920 SDs, 0 SdLazy, 3612 SolverSat, 540 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 31.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1067 GetRequests, 940 SyntacticMatches, 63 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2172 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 23990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 75/149 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: 88]: 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: 582]: Loop Invariant Derived loop invariant: (((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0)) || ((!(a19 == 7) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && !(a10 == 0)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && (((38 < a1 || !(a19 == 7)) || a1 + 13 <= 0) || !(a10 == 0)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.86 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -240.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 68185.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -140.4 MB). Peak memory consumption was 513.0 MB. Max. memory is 11.5 GB. * CodeCheck took 14362.22 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 75.0 MB). Free memory was 1.3 GB in the beginning and 978.9 MB in the end (delta: 315.1 MB). Peak memory consumption was 390.1 MB. Max. memory is 11.5 GB. * Witness Printer took 101.87 ms. Allocated memory is still 1.5 GB. Free memory was 978.9 MB in the beginning and 958.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...