./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c --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_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/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 66834ce7ab851f30f4141210f1887a35b259a922 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:51:39,372 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:51:39,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:51:39,382 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:51:39,382 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:51:39,383 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:51:39,384 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:51:39,385 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:51:39,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:51:39,387 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:51:39,389 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:51:39,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:51:39,396 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:51:39,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:51:39,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:51:39,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:51:39,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:51:39,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:51:39,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:51:39,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:51:39,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:51:39,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:51:39,407 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:51:39,407 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:51:39,407 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:51:39,408 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:51:39,409 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:51:39,410 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:51:39,410 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:51:39,411 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:51:39,411 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:51:39,413 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:51:39,413 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:51:39,413 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:51:39,414 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:51:39,414 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:51:39,415 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:51:39,427 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:51:39,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:51:39,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:51:39,428 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:51:39,428 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:51:39,428 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:51:39,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:51:39,429 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:51:39,429 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:51:39,429 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:51:39,429 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:51:39,429 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:51:39,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:51:39,430 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:51:39,430 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:51:39,430 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:51:39,430 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:51:39,430 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:51:39,430 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:51:39,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:51:39,431 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:51:39,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:51:39,431 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:51:39,431 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:51:39,431 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:51:39,432 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:51:39,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:51:39,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:51:39,434 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_a27a066f-cc5c-407b-b7cf-b63eee317621/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 -> 66834ce7ab851f30f4141210f1887a35b259a922 [2018-10-26 23:51:39,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:51:39,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:51:39,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:51:39,476 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:51:39,476 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:51:39,477 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2018-10-26 23:51:39,530 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/data/6f10e22dc/acf02d8130cb4ae6947cc8680c94893b/FLAGc9eceee47 [2018-10-26 23:51:39,936 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:51:39,937 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2018-10-26 23:51:39,947 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/data/6f10e22dc/acf02d8130cb4ae6947cc8680c94893b/FLAGc9eceee47 [2018-10-26 23:51:39,957 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/data/6f10e22dc/acf02d8130cb4ae6947cc8680c94893b [2018-10-26 23:51:39,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:51:39,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:51:39,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:51:39,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:51:39,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:51:39,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:51:39" (1/1) ... [2018-10-26 23:51:39,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d51faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:39, skipping insertion in model container [2018-10-26 23:51:39,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:51:39" (1/1) ... [2018-10-26 23:51:39,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:51:40,013 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:51:40,257 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:51:40,265 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:51:40,347 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:51:40,380 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:51:40,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40 WrapperNode [2018-10-26 23:51:40,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:51:40,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:51:40,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:51:40,382 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:51:40,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:51:40,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:51:40,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:51:40,520 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:51:40,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... [2018-10-26 23:51:40,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:51:40,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:51:40,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:51:40,565 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:51:40,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:51:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:51:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:51:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:51:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:51:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:51:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:51:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:51:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:51:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:51:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:51:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:51:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:51:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:51:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:51:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 23:51:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 23:51:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 23:51:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 23:51:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:51:40,624 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:51:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:51:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:51:42,798 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:51:42,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:51:42 BoogieIcfgContainer [2018-10-26 23:51:42,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:51:42,799 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:51:42,799 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:51:42,809 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:51:42,809 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:51:42" (1/1) ... [2018-10-26 23:51:42,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:51:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 68 states and 90 transitions. [2018-10-26 23:51:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2018-10-26 23:51:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:51:42,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:43,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 68 states and 87 transitions. [2018-10-26 23:51:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-10-26 23:51:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:51:43,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions. [2018-10-26 23:51:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2018-10-26 23:51:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:51:43,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2018-10-26 23:51:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2018-10-26 23:51:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:51:43,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:43,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 82 states and 111 transitions. [2018-10-26 23:51:43,825 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 111 transitions. [2018-10-26 23:51:43,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:51:43,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 83 states and 112 transitions. [2018-10-26 23:51:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2018-10-26 23:51:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:51:43,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:44,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 100 states and 144 transitions. [2018-10-26 23:51:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 144 transitions. [2018-10-26 23:51:44,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 23:51:44,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:44,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2018-10-26 23:51:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2018-10-26 23:51:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 23:51:44,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 121 states and 185 transitions. [2018-10-26 23:51:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 185 transitions. [2018-10-26 23:51:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 23:51:45,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 133 states and 210 transitions. [2018-10-26 23:51:47,493 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2018-10-26 23:51:47,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 23:51:47,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 134 states and 213 transitions. [2018-10-26 23:51:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2018-10-26 23:51:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 23:51:47,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 139 states and 226 transitions. [2018-10-26 23:51:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 226 transitions. [2018-10-26 23:51:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 23:51:47,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 141 states and 229 transitions. [2018-10-26 23:51:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 229 transitions. [2018-10-26 23:51:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 23:51:48,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:51:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 142 states and 230 transitions. [2018-10-26 23:51:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 230 transitions. [2018-10-26 23:51:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:51:48,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 149 states and 247 transitions. [2018-10-26 23:51:48,773 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 247 transitions. [2018-10-26 23:51:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 23:51:48,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 147 states and 243 transitions. [2018-10-26 23:51:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 243 transitions. [2018-10-26 23:51:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 23:51:48,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 23:51:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 155 states and 262 transitions. [2018-10-26 23:51:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 262 transitions. [2018-10-26 23:51:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 23:51:50,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 157 states and 266 transitions. [2018-10-26 23:51:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2018-10-26 23:51:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 23:51:51,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:52,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 167 states and 285 transitions. [2018-10-26 23:51:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 285 transitions. [2018-10-26 23:51:52,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:51:52,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:52,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 168 states and 286 transitions. [2018-10-26 23:51:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 286 transitions. [2018-10-26 23:51:52,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:51:52,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:51:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 169 states and 287 transitions. [2018-10-26 23:51:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 287 transitions. [2018-10-26 23:51:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 23:51:52,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:51:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 179 states and 303 transitions. [2018-10-26 23:51:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 303 transitions. [2018-10-26 23:51:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 23:51:52,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:51:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 184 states and 313 transitions. [2018-10-26 23:51:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 313 transitions. [2018-10-26 23:51:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:51:53,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:53,601 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:51:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 195 states and 351 transitions. [2018-10-26 23:51:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 351 transitions. [2018-10-26 23:51:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 23:51:54,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:51:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 196 states and 352 transitions. [2018-10-26 23:51:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 352 transitions. [2018-10-26 23:51:54,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:51:54,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:51:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 199 states and 358 transitions. [2018-10-26 23:51:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 358 transitions. [2018-10-26 23:51:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:51:55,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:51:56,072 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 23:51:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 215 states and 410 transitions. [2018-10-26 23:51:57,598 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 410 transitions. [2018-10-26 23:51:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:51:57,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:51:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 223 states and 443 transitions. [2018-10-26 23:51:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 443 transitions. [2018-10-26 23:51:58,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:51:58,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:51:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:58,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 226 states and 448 transitions. [2018-10-26 23:51:58,355 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 448 transitions. [2018-10-26 23:51:58,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 23:51:58,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:51:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 234 states and 475 transitions. [2018-10-26 23:51:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 475 transitions. [2018-10-26 23:51:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:51:58,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:51:59,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 242 states and 502 transitions. [2018-10-26 23:51:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 502 transitions. [2018-10-26 23:51:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:51:59,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:51:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:51:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:51:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 245 states and 507 transitions. [2018-10-26 23:51:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 507 transitions. [2018-10-26 23:51:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:51:59,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:51:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:52:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 255 states and 555 transitions. [2018-10-26 23:52:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 555 transitions. [2018-10-26 23:52:01,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:52:01,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:52:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 261 states and 569 transitions. [2018-10-26 23:52:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 569 transitions. [2018-10-26 23:52:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:52:02,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:52:03,161 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 23:52:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 264 states and 573 transitions. [2018-10-26 23:52:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 573 transitions. [2018-10-26 23:52:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:52:03,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:52:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:03,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 262 states and 557 transitions. [2018-10-26 23:52:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 557 transitions. [2018-10-26 23:52:03,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:52:03,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:52:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 263 states and 555 transitions. [2018-10-26 23:52:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 555 transitions. [2018-10-26 23:52:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:52:04,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:52:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 265 states and 563 transitions. [2018-10-26 23:52:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 563 transitions. [2018-10-26 23:52:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:52:05,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:05,127 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:52:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 266 states and 564 transitions. [2018-10-26 23:52:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 564 transitions. [2018-10-26 23:52:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:52:05,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:52:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 273 states and 579 transitions. [2018-10-26 23:52:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 579 transitions. [2018-10-26 23:52:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:52:06,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:52:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 277 states and 588 transitions. [2018-10-26 23:52:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 588 transitions. [2018-10-26 23:52:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:52:07,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:07,440 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:52:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 280 states and 594 transitions. [2018-10-26 23:52:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 594 transitions. [2018-10-26 23:52:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 23:52:07,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:52:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 281 states and 595 transitions. [2018-10-26 23:52:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 595 transitions. [2018-10-26 23:52:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:52:08,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:52:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 282 states and 596 transitions. [2018-10-26 23:52:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 596 transitions. [2018-10-26 23:52:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 23:52:08,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 23:52:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:08,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 283 states and 597 transitions. [2018-10-26 23:52:08,204 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 597 transitions. [2018-10-26 23:52:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 23:52:08,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 23:52:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 287 states and 606 transitions. [2018-10-26 23:52:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 606 transitions. [2018-10-26 23:52:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 23:52:08,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 23:52:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 285 states and 602 transitions. [2018-10-26 23:52:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 602 transitions. [2018-10-26 23:52:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 23:52:09,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:52:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 286 states and 603 transitions. [2018-10-26 23:52:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 603 transitions. [2018-10-26 23:52:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 23:52:09,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 23:52:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 276 states and 573 transitions. [2018-10-26 23:52:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 573 transitions. [2018-10-26 23:52:10,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 23:52:10,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 23:52:10,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:10,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 279 states and 575 transitions. [2018-10-26 23:52:10,958 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 575 transitions. [2018-10-26 23:52:10,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 23:52:10,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 23:52:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 281 states and 578 transitions. [2018-10-26 23:52:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 578 transitions. [2018-10-26 23:52:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 23:52:11,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 23:52:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 285 states and 585 transitions. [2018-10-26 23:52:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 585 transitions. [2018-10-26 23:52:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 23:52:12,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 23:52:12,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 286 states and 586 transitions. [2018-10-26 23:52:12,112 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 586 transitions. [2018-10-26 23:52:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 23:52:12,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 23:52:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 287 states and 587 transitions. [2018-10-26 23:52:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 587 transitions. [2018-10-26 23:52:12,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 23:52:12,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 23:52:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 282 states and 577 transitions. [2018-10-26 23:52:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 577 transitions. [2018-10-26 23:52:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 23:52:12,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 23:52:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 277 states and 565 transitions. [2018-10-26 23:52:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 565 transitions. [2018-10-26 23:52:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 23:52:13,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 23:52:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 280 states and 571 transitions. [2018-10-26 23:52:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 571 transitions. [2018-10-26 23:52:13,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 23:52:13,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 23:52:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 278 states and 557 transitions. [2018-10-26 23:52:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 557 transitions. [2018-10-26 23:52:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 23:52:13,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 23:52:14,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:14,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 281 states and 563 transitions. [2018-10-26 23:52:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 563 transitions. [2018-10-26 23:52:14,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 23:52:14,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-26 23:52:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 116 states and 151 transitions. [2018-10-26 23:52:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2018-10-26 23:52:14,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:52:14,475 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 60 iterations. [2018-10-26 23:52:14,483 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:52:14,845 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:52:14,850 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 23:52:14,851 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,851 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,851 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,851 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,851 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,851 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-10-26 23:52:14,852 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,852 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,852 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,852 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,852 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,852 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:14,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:52:14 ImpRootNode [2018-10-26 23:52:14,853 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:52:14,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:52:14,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:52:14,859 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:52:14,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:51:42" (3/4) ... [2018-10-26 23:52:14,862 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:52:14,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 23:52:14,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:52:14,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:52:14,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:52:14,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:52:14,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:52:14,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:52:14,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:52:14,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 23:52:14,875 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-10-26 23:52:14,876 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-10-26 23:52:14,877 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 23:52:14,899 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive [2018-10-26 23:52:14,899 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-10-26 23:52:14,942 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a27a066f-cc5c-407b-b7cf-b63eee317621/bin-2019/ukojak/witness.graphml [2018-10-26 23:52:14,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:52:14,943 INFO L168 Benchmark]: Toolchain (without parser) took 34983.02 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 575.7 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 390.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:14,944 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:52:14,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.81 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 933.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:14,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 933.9 MB in the beginning and 1.2 GB in the end (delta: -231.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:14,945 INFO L168 Benchmark]: Boogie Preprocessor took 44.87 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:14,945 INFO L168 Benchmark]: RCFGBuilder took 2233.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 96.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:14,945 INFO L168 Benchmark]: CodeCheck took 32053.39 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 402.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -78.5 MB). Peak memory consumption was 324.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:14,946 INFO L168 Benchmark]: Witness Printer took 89.50 ms. Allocated memory is still 1.6 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:52:14,947 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 10 procedures, 132 locations, 1 error locations. SAFE Result, 31.6s OverallTime, 60 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -950091584 SDtfs, 1121376680 SDslu, -66263712 SDs, 0 SdLazy, -1431394760 SolverSat, -895033884 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37664 GetRequests, 37116 SyntacticMatches, 174 SemanticMatches, 374 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69115 ImplicationChecksByTransitivity, 25.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 3541 NumberOfCodeBlocks, 3541 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 3482 ConstructedInterpolants, 0 QuantifiedInterpolants, 433121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 59 InterpolantComputations, 39 PerfectInterpolantSequences, 1477/1566 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: 317]: 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: 409]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 419.81 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 933.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 138.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 933.9 MB in the beginning and 1.2 GB in the end (delta: -231.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.87 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2233.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 96.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. * CodeCheck took 32053.39 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 402.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -78.5 MB). Peak memory consumption was 324.1 MB. Max. memory is 11.5 GB. * Witness Printer took 89.50 ms. Allocated memory is still 1.6 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...