./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_int_true-termination.c_true-unreach-call_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_int_true-termination.c_true-unreach-call_1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/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 893a1dbd0a599f9a69d980cdd7a0c124f8071b90 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:51:04,325 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:51:04,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:51:04,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:51:04,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:51:04,334 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:51:04,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:51:04,336 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:51:04,337 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:51:04,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:51:04,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:51:04,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:51:04,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:51:04,339 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:51:04,340 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:51:04,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:51:04,341 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:51:04,342 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:51:04,343 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:51:04,344 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:51:04,345 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:51:04,346 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:51:04,347 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:51:04,348 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:51:04,348 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:51:04,348 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:51:04,349 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:51:04,350 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:51:04,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:51:04,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:51:04,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:51:04,351 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:51:04,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:51:04,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:51:04,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:51:04,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:51:04,353 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:51:04,362 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:51:04,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:51:04,362 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:51:04,362 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:51:04,363 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:51:04,363 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:51:04,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:51:04,363 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:51:04,363 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:51:04,364 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:51:04,364 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:51:04,364 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:51:04,364 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:51:04,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:51:04,364 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:51:04,364 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:51:04,364 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:51:04,365 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:51:04,365 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:51:04,365 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:51:04,365 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:51:04,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:51:04,365 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:51:04,365 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:51:04,365 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:51:04,366 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:51:04,366 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:51:04,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:51:04,366 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_3047664d-d153-4609-ba70-918f12656a72/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 -> 893a1dbd0a599f9a69d980cdd7a0c124f8071b90 [2018-11-10 04:51:04,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:51:04,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:51:04,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:51:04,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:51:04,400 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:51:04,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/mutex_lock_int_true-termination.c_true-unreach-call_1.i [2018-11-10 04:51:04,436 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/data/2c4926d85/e9acda2c521e4bedbd49394a986d673a/FLAG9779e988d [2018-11-10 04:51:04,826 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:51:04,827 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/sv-benchmarks/c/ldv-regression/mutex_lock_int_true-termination.c_true-unreach-call_1.i [2018-11-10 04:51:04,831 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/data/2c4926d85/e9acda2c521e4bedbd49394a986d673a/FLAG9779e988d [2018-11-10 04:51:04,839 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/data/2c4926d85/e9acda2c521e4bedbd49394a986d673a [2018-11-10 04:51:04,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:51:04,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:51:04,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:51:04,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:51:04,846 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:51:04,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:04,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10232fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04, skipping insertion in model container [2018-11-10 04:51:04,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:04,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:51:04,869 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:51:04,950 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:51:04,956 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:51:04,964 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:51:04,976 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:51:04,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04 WrapperNode [2018-11-10 04:51:04,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:51:04,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:51:04,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:51:04,977 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:51:04,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:04,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:05,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:51:05,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:51:05,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:51:05,002 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:51:05,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:05,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:05,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:05,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:05,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:05,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:05,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... [2018-11-10 04:51:05,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:51:05,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:51:05,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:51:05,015 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:51:05,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:51:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/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 [2018-11-10 04:51:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 04:51:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure err [2018-11-10 04:51:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2018-11-10 04:51:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:51:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:51:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 04:51:05,298 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:51:05,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:51:05 BoogieIcfgContainer [2018-11-10 04:51:05,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:51:05,300 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:51:05,300 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:51:05,307 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:51:05,307 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:51:05" (1/1) ... [2018-11-10 04:51:05,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:51:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:51:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-11-10 04:51:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-11-10 04:51:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 04:51:05,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:51:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:51:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:51:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:51:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-10 04:51:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-10 04:51:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:51:05,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:51:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:51:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:51:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:51:05,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2018-11-10 04:51:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2018-11-10 04:51:05,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:51:05,636 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-10 04:51:05,643 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:51:05,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:51:05 ImpRootNode [2018-11-10 04:51:05,661 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:51:05,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:51:05,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:51:05,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:51:05,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:51:05" (3/4) ... [2018-11-10 04:51:05,664 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:51:05,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure err [2018-11-10 04:51:05,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-10 04:51:05,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 04:51:05,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 04:51:05,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:51:05,701 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3047664d-d153-4609-ba70-918f12656a72/bin-2019/ukojak/witness.graphml [2018-11-10 04:51:05,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:51:05,702 INFO L168 Benchmark]: Toolchain (without parser) took 859.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:51:05,703 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. [2018-11-10 04:51:05,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.51 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:51:05,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.13 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:51:05,704 INFO L168 Benchmark]: Boogie Preprocessor took 13.23 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:51:05,704 INFO L168 Benchmark]: RCFGBuilder took 284.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:51:05,704 INFO L168 Benchmark]: CodeCheck took 360.81 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:51:05,704 INFO L168 Benchmark]: Witness Printer took 40.54 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:51:05,707 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 2 procedures, 21 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 4 SDs, 0 SdLazy, 36 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 14]: 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 * 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 133.51 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.13 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.23 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 284.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 360.81 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 40.54 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...