./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/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 5f1f3e9c958502587d73771213325403adeeeeae ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:01:45,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:01:45,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:01:45,324 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:01:45,324 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:01:45,325 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:01:45,326 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:01:45,326 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:01:45,327 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:01:45,327 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:01:45,328 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:01:45,328 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:01:45,328 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:01:45,329 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:01:45,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:01:45,330 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:01:45,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:01:45,331 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:01:45,332 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:01:45,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:01:45,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:01:45,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:01:45,335 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:01:45,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:01:45,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:01:45,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:01:45,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:01:45,337 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:01:45,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:01:45,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:01:45,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:01:45,338 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:01:45,338 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:01:45,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:01:45,339 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:01:45,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:01:45,339 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 10:01:45,347 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:01:45,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:01:45,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:01:45,347 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 10:01:45,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:01:45,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:01:45,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:01:45,348 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:01:45,348 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:01:45,348 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:01:45,348 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:01:45,348 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:01:45,348 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:01:45,348 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:01:45,349 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 10:01:45,349 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:01:45,349 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:01:45,349 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:01:45,350 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 10:01:45,350 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:01:45,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:01:45,350 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_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/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 -> 5f1f3e9c958502587d73771213325403adeeeeae [2018-12-09 10:01:45,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:01:45,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:01:45,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:01:45,380 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:01:45,381 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:01:45,381 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-12-09 10:01:45,428 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/data/ad15932eb/238e986869d244119606d94a9205ac70/FLAGd7f205951 [2018-12-09 10:01:45,948 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:01:45,948 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-12-09 10:01:45,955 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/data/ad15932eb/238e986869d244119606d94a9205ac70/FLAGd7f205951 [2018-12-09 10:01:46,451 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/data/ad15932eb/238e986869d244119606d94a9205ac70 [2018-12-09 10:01:46,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:01:46,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:01:46,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:01:46,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:01:46,457 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:01:46,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46, skipping insertion in model container [2018-12-09 10:01:46,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:01:46,488 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:01:46,667 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:01:46,669 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:01:46,770 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:01:46,783 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:01:46,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46 WrapperNode [2018-12-09 10:01:46,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:01:46,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:01:46,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:01:46,784 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:01:46,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:01:46,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:01:46,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:01:46,831 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:01:46,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... [2018-12-09 10:01:46,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:01:46,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:01:46,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:01:46,867 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:01:46,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:01:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/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 [2018-12-09 10:01:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:01:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:02:51,864 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:02:51,864 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 10:02:51,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:02:51 BoogieIcfgContainer [2018-12-09 10:02:51,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:02:51,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 10:02:51,865 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 10:02:51,871 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 10:02:51,871 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:02:51" (1/1) ... [2018-12-09 10:02:51,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:02:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:02:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 10:02:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 10:02:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 10:02:51,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:02:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:02:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 10:02:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 10:02:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 10:02:52,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:02:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:02:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-12-09 10:02:52,805 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-12-09 10:02:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:02:52,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:02:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:02:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2018-12-09 10:02:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2018-12-09 10:02:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:02:54,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:02:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:54,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:02:54,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2018-12-09 10:02:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2018-12-09 10:02:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:02:54,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:02:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:56,648 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 26 [2018-12-09 10:02:56,836 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2018-12-09 10:02:57,035 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2018-12-09 10:02:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:02:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:02:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2018-12-09 10:02:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2018-12-09 10:02:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:02:58,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:02:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:02:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:03:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:03:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2018-12-09 10:03:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2018-12-09 10:03:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:03:10,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:03:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:03:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:03:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2018-12-09 10:03:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2018-12-09 10:03:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 10:03:11,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:03:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:12,363 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 34 [2018-12-09 10:03:12,672 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 48 [2018-12-09 10:03:13,190 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2018-12-09 10:03:13,535 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 28 [2018-12-09 10:03:13,848 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2018-12-09 10:03:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:03:14,832 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-12-09 10:03:15,450 WARN L180 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2018-12-09 10:03:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:03:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 106 transitions. [2018-12-09 10:03:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 106 transitions. [2018-12-09 10:03:27,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 10:03:27,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:03:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:03:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:03:38,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 111 transitions. [2018-12-09 10:03:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 111 transitions. [2018-12-09 10:03:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 10:03:38,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:03:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:03:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:03:39,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 117 transitions. [2018-12-09 10:03:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 117 transitions. [2018-12-09 10:03:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 10:03:39,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:03:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:03:39,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:03:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2018-12-09 10:03:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2018-12-09 10:03:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 10:03:39,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:03:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:03:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 10:03:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:03:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2018-12-09 10:03:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2018-12-09 10:03:41,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:03:41,292 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-09 10:03:41,298 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 10:03:41,530 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-12-09 10:03:41,642 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 42 [2018-12-09 10:03:41,744 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2018-12-09 10:03:41,744 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-09 10:03:41,751 INFO L583 CodeCheckObserver]: Invariant with dag size 42 [2018-12-09 10:03:41,752 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:03:41,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 10:03:41 ImpRootNode [2018-12-09 10:03:41,752 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 10:03:41,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:03:41,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:03:41,753 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:03:41,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:02:51" (3/4) ... [2018-12-09 10:03:41,755 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:03:41,766 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-09 10:03:41,767 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 10:03:41,767 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 10:03:41,768 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 10:03:41,841 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4be7e83f-c5af-4d50-87c0-5d8a3ff9e4ef/bin-2019/ukojak/witness.graphml [2018-12-09 10:03:41,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:03:41,841 INFO L168 Benchmark]: Toolchain (without parser) took 115387.89 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 922.7 MB). Free memory was 944.2 MB in the beginning and 1.0 GB in the end (delta: -88.4 MB). Peak memory consumption was 834.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:03:41,842 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:03:41,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:03:41,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:03:41,843 INFO L168 Benchmark]: Boogie Preprocessor took 35.44 ms. Allocated memory is still 1.1 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. [2018-12-09 10:03:41,843 INFO L168 Benchmark]: RCFGBuilder took 64998.19 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 345.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:03:41,843 INFO L168 Benchmark]: CodeCheck took 49887.44 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 771.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 790.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:03:41,844 INFO L168 Benchmark]: Witness Printer took 88.11 ms. Allocated memory is still 2.0 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:03:41,845 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, 206 locations, 1 error locations. SAFE Result, 49.4s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21120 SDtfs, 45920 SDslu, 28368 SDs, 0 SdLazy, 155034 SolverSat, 23578 SolverUnsat, 176 SolverUnknown, 0 SolverNotchecked, 169.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2079 GetRequests, 1730 SyntacticMatches, 153 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25847 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 87832 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 38/285 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: 199]: 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: ((((!(a10 == 3) || !(a19 == 9)) && (((10 <= a19 || a19 <= 8) || !(a10 == 0)) || 0 <= a1 + 12)) && a12 == 0) && a4 == 14) || (((!(!(a10 == 3) || !(a19 == 9)) && a12 == 0) && a4 == 14) && 0 <= a1 + 2247974) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a12 == 0 && !(!(a10 == 3) || !(4 == input))) && a4 == 14) && 0 <= a1 + 2247974) || ((((!(a19 == 9) || !(a10 == 0)) && a12 == 0) && a4 == 14) && (((((!(a10 == 3) || 2 == input) || 3 == input) || !(a19 == 9)) || 6 == input) || 5 == input))) || ((0 < a1 + 13 && a12 == 0) && a4 == 14) - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.44 ms. Allocated memory is still 1.1 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. * RCFGBuilder took 64998.19 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 345.7 MB. Max. memory is 11.5 GB. * CodeCheck took 49887.44 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 771.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 790.5 MB. Max. memory is 11.5 GB. * Witness Printer took 88.11 ms. Allocated memory is still 2.0 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...