./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/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 eaa884e9733c01fe9db8345a7c098b974c9047d7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:44:47,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:44:47,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:44:47,264 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:44:47,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:44:47,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:44:47,265 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:44:47,267 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:44:47,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:44:47,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:44:47,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:44:47,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:44:47,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:44:47,271 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:44:47,271 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:44:47,272 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:44:47,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:44:47,274 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:44:47,275 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:44:47,276 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:44:47,276 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:44:47,277 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:44:47,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:44:47,279 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:44:47,279 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:44:47,280 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:44:47,281 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:44:47,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:44:47,282 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:44:47,282 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:44:47,282 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:44:47,283 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:44:47,283 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:44:47,283 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:44:47,283 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:44:47,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:44:47,284 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 21:44:47,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:44:47,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:44:47,295 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:44:47,295 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 21:44:47,296 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:44:47,296 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:44:47,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:44:47,296 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:44:47,296 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:44:47,296 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:44:47,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:44:47,297 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:44:47,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:44:47,297 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:44:47,297 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:44:47,297 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:44:47,297 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:44:47,297 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:44:47,298 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 21:44:47,298 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 21:44:47,299 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:44:47,300 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:44:47,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:44:47,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:44:47,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:44:47,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:44:47,300 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 21:44:47,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:44:47,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:44:47,301 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_f438cffc-2ee1-47a3-932b-6d0d5ad67786/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 -> eaa884e9733c01fe9db8345a7c098b974c9047d7 [2018-11-22 21:44:47,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:44:47,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:44:47,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:44:47,338 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:44:47,338 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:44:47,339 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-11-22 21:44:47,382 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/data/07532036f/fc4f4277267143d0945812703b2e93e4/FLAGf81f4797e [2018-11-22 21:44:47,748 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:44:47,749 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-11-22 21:44:47,759 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/data/07532036f/fc4f4277267143d0945812703b2e93e4/FLAGf81f4797e [2018-11-22 21:44:48,149 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/data/07532036f/fc4f4277267143d0945812703b2e93e4 [2018-11-22 21:44:48,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:44:48,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:44:48,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:44:48,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:44:48,156 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:44:48,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48, skipping insertion in model container [2018-11-22 21:44:48,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:44:48,199 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:44:48,394 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:44:48,404 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:44:48,504 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:44:48,526 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:44:48,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48 WrapperNode [2018-11-22 21:44:48,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:44:48,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:44:48,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:44:48,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:44:48,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:44:48,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:44:48,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:44:48,570 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:44:48,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... [2018-11-22 21:44:48,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:44:48,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:44:48,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:44:48,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:44:48,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:44:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/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 [2018-11-22 21:44:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:44:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 21:44:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 21:44:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 21:44:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 21:44:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 21:44:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 21:44:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 21:44:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 21:44:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:44:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:44:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 21:44:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 21:44:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 21:44:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 21:44:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:44:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 21:44:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 21:44:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:44:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:44:49,260 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:44:49,260 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-11-22 21:44:49,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:44:49 BoogieIcfgContainer [2018-11-22 21:44:49,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:44:49,261 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 21:44:49,261 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 21:44:49,270 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 21:44:49,271 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:44:49" (1/1) ... [2018-11-22 21:44:49,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:44:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2018-11-22 21:44:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2018-11-22 21:44:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 21:44:49,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:49,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2018-11-22 21:44:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-11-22 21:44:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-22 21:44:49,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2018-11-22 21:44:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2018-11-22 21:44:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-22 21:44:49,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2018-11-22 21:44:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2018-11-22 21:44:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-22 21:44:49,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2018-11-22 21:44:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2018-11-22 21:44:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-22 21:44:50,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:50,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2018-11-22 21:44:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2018-11-22 21:44:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-22 21:44:50,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 91 states and 138 transitions. [2018-11-22 21:44:50,251 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 138 transitions. [2018-11-22 21:44:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-22 21:44:50,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 92 states and 139 transitions. [2018-11-22 21:44:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2018-11-22 21:44:50,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-22 21:44:50,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 98 states and 153 transitions. [2018-11-22 21:44:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2018-11-22 21:44:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-22 21:44:50,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:50,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 99 states and 154 transitions. [2018-11-22 21:44:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2018-11-22 21:44:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-22 21:44:50,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2018-11-22 21:44:51,151 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-11-22 21:44:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-22 21:44:51,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 119 states and 196 transitions. [2018-11-22 21:44:51,180 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 196 transitions. [2018-11-22 21:44:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-22 21:44:51,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 120 states and 197 transitions. [2018-11-22 21:44:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 197 transitions. [2018-11-22 21:44:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-22 21:44:51,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2018-11-22 21:44:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-11-22 21:44:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-22 21:44:51,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 134 states and 229 transitions. [2018-11-22 21:44:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2018-11-22 21:44:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 21:44:51,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:51,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 135 states and 230 transitions. [2018-11-22 21:44:51,774 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 230 transitions. [2018-11-22 21:44:51,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 21:44:51,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2018-11-22 21:44:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2018-11-22 21:44:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 21:44:51,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:44:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 240 transitions. [2018-11-22 21:44:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 240 transitions. [2018-11-22 21:44:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-22 21:44:52,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 143 states and 248 transitions. [2018-11-22 21:44:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 248 transitions. [2018-11-22 21:44:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-22 21:44:52,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:52,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 147 states and 256 transitions. [2018-11-22 21:44:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 256 transitions. [2018-11-22 21:44:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 21:44:52,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 151 states and 266 transitions. [2018-11-22 21:44:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 266 transitions. [2018-11-22 21:44:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 21:44:52,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:52,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 158 states and 288 transitions. [2018-11-22 21:44:52,752 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 288 transitions. [2018-11-22 21:44:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 21:44:52,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:52,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 159 states and 289 transitions. [2018-11-22 21:44:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 289 transitions. [2018-11-22 21:44:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:44:52,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 157 states and 285 transitions. [2018-11-22 21:44:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 285 transitions. [2018-11-22 21:44:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:44:52,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 21:44:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 164 states and 300 transitions. [2018-11-22 21:44:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 300 transitions. [2018-11-22 21:44:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-22 21:44:53,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 167 states and 307 transitions. [2018-11-22 21:44:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 307 transitions. [2018-11-22 21:44:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 21:44:54,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:54,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 170 states and 316 transitions. [2018-11-22 21:44:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 316 transitions. [2018-11-22 21:44:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:44:54,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:54,386 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 180 states and 337 transitions. [2018-11-22 21:44:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 337 transitions. [2018-11-22 21:44:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:44:54,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 186 states and 351 transitions. [2018-11-22 21:44:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 351 transitions. [2018-11-22 21:44:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 21:44:55,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 187 states and 352 transitions. [2018-11-22 21:44:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 352 transitions. [2018-11-22 21:44:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 21:44:55,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:44:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 194 states and 365 transitions. [2018-11-22 21:44:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 365 transitions. [2018-11-22 21:44:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 21:44:55,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:44:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 196 states and 366 transitions. [2018-11-22 21:44:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 366 transitions. [2018-11-22 21:44:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:44:55,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:44:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 198 states and 368 transitions. [2018-11-22 21:44:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 368 transitions. [2018-11-22 21:44:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:44:55,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:44:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 203 states and 377 transitions. [2018-11-22 21:44:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 377 transitions. [2018-11-22 21:44:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 21:44:55,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 204 states and 384 transitions. [2018-11-22 21:44:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 384 transitions. [2018-11-22 21:44:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:44:55,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:44:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 205 states and 384 transitions. [2018-11-22 21:44:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 384 transitions. [2018-11-22 21:44:55,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:44:55,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:56,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:56,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 385 transitions. [2018-11-22 21:44:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 385 transitions. [2018-11-22 21:44:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:44:56,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 207 states and 386 transitions. [2018-11-22 21:44:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 386 transitions. [2018-11-22 21:44:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 21:44:56,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:44:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 208 states and 387 transitions. [2018-11-22 21:44:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 387 transitions. [2018-11-22 21:44:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 21:44:56,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 216 states and 422 transitions. [2018-11-22 21:44:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 422 transitions. [2018-11-22 21:44:56,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 21:44:56,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 218 states and 425 transitions. [2018-11-22 21:44:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 425 transitions. [2018-11-22 21:44:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:44:56,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 223 states and 433 transitions. [2018-11-22 21:44:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 433 transitions. [2018-11-22 21:44:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:44:57,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 225 states and 434 transitions. [2018-11-22 21:44:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 434 transitions. [2018-11-22 21:44:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:44:57,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:44:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 226 states and 434 transitions. [2018-11-22 21:44:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 434 transitions. [2018-11-22 21:44:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:44:57,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:57,248 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 227 states and 434 transitions. [2018-11-22 21:44:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 434 transitions. [2018-11-22 21:44:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:44:57,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 237 states and 465 transitions. [2018-11-22 21:44:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 465 transitions. [2018-11-22 21:44:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-22 21:44:59,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 238 states and 466 transitions. [2018-11-22 21:44:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 466 transitions. [2018-11-22 21:44:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:44:59,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:44:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:44:59,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 239 states and 467 transitions. [2018-11-22 21:44:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 467 transitions. [2018-11-22 21:44:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:44:59,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:44:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:44:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 245 states and 488 transitions. [2018-11-22 21:45:00,132 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 488 transitions. [2018-11-22 21:45:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 21:45:00,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 246 states and 489 transitions. [2018-11-22 21:45:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 489 transitions. [2018-11-22 21:45:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 21:45:00,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:45:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 256 states and 512 transitions. [2018-11-22 21:45:00,995 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 512 transitions. [2018-11-22 21:45:00,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:45:00,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:45:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 261 states and 519 transitions. [2018-11-22 21:45:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 519 transitions. [2018-11-22 21:45:01,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:45:01,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:01,266 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:45:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 262 states and 519 transitions. [2018-11-22 21:45:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 519 transitions. [2018-11-22 21:45:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:45:01,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:45:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 264 states and 519 transitions. [2018-11-22 21:45:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 519 transitions. [2018-11-22 21:45:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:45:01,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:45:01,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 265 states and 520 transitions. [2018-11-22 21:45:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 520 transitions. [2018-11-22 21:45:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:45:01,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:45:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:01,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 267 states and 521 transitions. [2018-11-22 21:45:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 521 transitions. [2018-11-22 21:45:01,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:45:01,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:02,083 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 269 states and 525 transitions. [2018-11-22 21:45:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 525 transitions. [2018-11-22 21:45:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-22 21:45:02,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:45:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 270 states and 526 transitions. [2018-11-22 21:45:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 526 transitions. [2018-11-22 21:45:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:45:02,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:45:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 275 states and 532 transitions. [2018-11-22 21:45:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 532 transitions. [2018-11-22 21:45:02,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:45:02,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:02,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 281 states and 546 transitions. [2018-11-22 21:45:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 546 transitions. [2018-11-22 21:45:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-22 21:45:02,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:05,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 297 states and 606 transitions. [2018-11-22 21:45:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 606 transitions. [2018-11-22 21:45:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-22 21:45:05,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 299 states and 608 transitions. [2018-11-22 21:45:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 608 transitions. [2018-11-22 21:45:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-22 21:45:05,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:45:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 300 states and 609 transitions. [2018-11-22 21:45:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 609 transitions. [2018-11-22 21:45:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:45:05,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 301 states and 610 transitions. [2018-11-22 21:45:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 610 transitions. [2018-11-22 21:45:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:45:05,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 302 states and 613 transitions. [2018-11-22 21:45:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 613 transitions. [2018-11-22 21:45:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:45:05,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 305 states and 618 transitions. [2018-11-22 21:45:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 618 transitions. [2018-11-22 21:45:06,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:45:06,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 306 states and 619 transitions. [2018-11-22 21:45:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 619 transitions. [2018-11-22 21:45:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:45:06,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 310 states and 627 transitions. [2018-11-22 21:45:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 627 transitions. [2018-11-22 21:45:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:45:06,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:07,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 316 states and 633 transitions. [2018-11-22 21:45:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 633 transitions. [2018-11-22 21:45:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:45:07,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 319 states and 638 transitions. [2018-11-22 21:45:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 638 transitions. [2018-11-22 21:45:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:45:07,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 321 states and 641 transitions. [2018-11-22 21:45:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 641 transitions. [2018-11-22 21:45:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:45:07,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:08,045 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 326 states and 650 transitions. [2018-11-22 21:45:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 650 transitions. [2018-11-22 21:45:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:45:08,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 328 states and 653 transitions. [2018-11-22 21:45:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 653 transitions. [2018-11-22 21:45:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-22 21:45:08,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:08,710 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:45:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 332 states and 674 transitions. [2018-11-22 21:45:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 674 transitions. [2018-11-22 21:45:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:45:09,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:45:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 343 states and 702 transitions. [2018-11-22 21:45:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 702 transitions. [2018-11-22 21:45:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 21:45:10,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:45:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:10,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 346 states and 707 transitions. [2018-11-22 21:45:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 707 transitions. [2018-11-22 21:45:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 21:45:10,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:45:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 350 states and 716 transitions. [2018-11-22 21:45:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 716 transitions. [2018-11-22 21:45:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 21:45:11,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:45:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 351 states and 717 transitions. [2018-11-22 21:45:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 717 transitions. [2018-11-22 21:45:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 21:45:11,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:45:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 352 states and 718 transitions. [2018-11-22 21:45:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 718 transitions. [2018-11-22 21:45:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:45:11,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 21:45:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 353 states and 718 transitions. [2018-11-22 21:45:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 718 transitions. [2018-11-22 21:45:11,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 21:45:11,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:11,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 21:45:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 358 states and 730 transitions. [2018-11-22 21:45:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 730 transitions. [2018-11-22 21:45:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 21:45:11,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:45:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 356 states and 726 transitions. [2018-11-22 21:45:11,862 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 726 transitions. [2018-11-22 21:45:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 21:45:11,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:45:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 357 states and 729 transitions. [2018-11-22 21:45:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 729 transitions. [2018-11-22 21:45:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-22 21:45:12,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 21:45:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 358 states and 729 transitions. [2018-11-22 21:45:12,136 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 729 transitions. [2018-11-22 21:45:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 21:45:12,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:45:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:12,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 360 states and 732 transitions. [2018-11-22 21:45:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 732 transitions. [2018-11-22 21:45:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 21:45:12,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:12,286 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 21:45:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 362 states and 734 transitions. [2018-11-22 21:45:12,302 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 734 transitions. [2018-11-22 21:45:12,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-22 21:45:12,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 21:45:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 360 states and 730 transitions. [2018-11-22 21:45:12,345 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 730 transitions. [2018-11-22 21:45:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-22 21:45:12,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:45:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 361 states and 732 transitions. [2018-11-22 21:45:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 732 transitions. [2018-11-22 21:45:12,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 21:45:12,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 21:45:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 362 states and 732 transitions. [2018-11-22 21:45:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 732 transitions. [2018-11-22 21:45:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-22 21:45:12,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 21:45:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 365 states and 739 transitions. [2018-11-22 21:45:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 739 transitions. [2018-11-22 21:45:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-22 21:45:13,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 21:45:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 359 states and 727 transitions. [2018-11-22 21:45:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 727 transitions. [2018-11-22 21:45:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:45:13,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 21:45:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 361 states and 730 transitions. [2018-11-22 21:45:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 730 transitions. [2018-11-22 21:45:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:45:13,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 21:45:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 363 states and 733 transitions. [2018-11-22 21:45:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 733 transitions. [2018-11-22 21:45:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:45:13,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 21:45:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 364 states and 733 transitions. [2018-11-22 21:45:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 733 transitions. [2018-11-22 21:45:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-22 21:45:13,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-22 21:45:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 365 states and 734 transitions. [2018-11-22 21:45:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 734 transitions. [2018-11-22 21:45:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-22 21:45:13,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-22 21:45:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 366 states and 735 transitions. [2018-11-22 21:45:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 735 transitions. [2018-11-22 21:45:13,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 21:45:13,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 21:45:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 359 states and 719 transitions. [2018-11-22 21:45:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 719 transitions. [2018-11-22 21:45:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 21:45:13,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 21:45:13,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 351 states and 704 transitions. [2018-11-22 21:45:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 704 transitions. [2018-11-22 21:45:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 21:45:13,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 21:45:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 353 states and 705 transitions. [2018-11-22 21:45:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 705 transitions. [2018-11-22 21:45:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-22 21:45:13,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:45:14,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 355 states and 707 transitions. [2018-11-22 21:45:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 707 transitions. [2018-11-22 21:45:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-22 21:45:14,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:45:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:45:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-22 21:45:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:45:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 137 states and 192 transitions. [2018-11-22 21:45:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2018-11-22 21:45:14,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:45:14,535 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 101 iterations. [2018-11-22 21:45:14,543 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 21:45:14,954 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-22 21:45:14,959 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,960 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,960 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,960 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,960 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,960 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,960 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-22 21:45:14,961 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,961 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,962 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,962 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:45:14,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 09:45:14 ImpRootNode [2018-11-22 21:45:14,962 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 21:45:14,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:45:14,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:45:14,963 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:45:14,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:44:49" (3/4) ... [2018-11-22 21:45:14,967 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:45:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 21:45:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 21:45:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 21:45:14,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 21:45:14,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 21:45:14,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 21:45:14,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:45:14,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 21:45:14,978 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-22 21:45:14,978 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-22 21:45:14,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-22 21:45:14,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 21:45:14,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 21:45:14,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:45:14,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:45:15,001 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && pumpRunning == 0)) || (!(systemActive == 0) && !(pumpRunning == 0)) [2018-11-22 21:45:15,030 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f438cffc-2ee1-47a3-932b-6d0d5ad67786/bin-2019/ukojak/witness.graphml [2018-11-22 21:45:15,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:45:15,031 INFO L168 Benchmark]: Toolchain (without parser) took 26878.79 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 722.5 MB). Free memory was 956.6 MB in the beginning and 1.6 GB in the end (delta: -655.5 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:15,031 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:45:15,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:15,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.72 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:15,032 INFO L168 Benchmark]: Boogie Preprocessor took 24.50 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:15,032 INFO L168 Benchmark]: RCFGBuilder took 665.91 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:15,033 INFO L168 Benchmark]: CodeCheck took 25701.53 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 584.1 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -558.3 MB). Peak memory consumption was 730.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:45:15,033 INFO L168 Benchmark]: Witness Printer took 67.31 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 75.5 kB). Peak memory consumption was 75.5 kB. Max. memory is 11.5 GB. [2018-11-22 21:45:15,034 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 9 procedures, 77 locations, 1 error locations. SAFE Result, 25.2s OverallTime, 101 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1558114208 SDtfs, -899864552 SDslu, 1824386064 SDs, 0 SdLazy, 1990262148 SolverSat, 2024489932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 83.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57652 GetRequests, 56608 SyntacticMatches, 576 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139028 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 4814 NumberOfCodeBlocks, 4814 NumberOfCodeBlocksAsserted, 100 NumberOfCheckSat, 4714 ConstructedInterpolants, 0 QuantifiedInterpolants, 491916 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 100 InterpolantComputations, 92 PerfectInterpolantSequences, 1927/1973 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: 370]: 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: 56]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && pumpRunning == 0)) || (!(systemActive == 0) && !(pumpRunning == 0)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.72 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.50 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 665.91 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 25701.53 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 584.1 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -558.3 MB). Peak memory consumption was 730.7 MB. Max. memory is 11.5 GB. * Witness Printer took 67.31 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 75.5 kB). Peak memory consumption was 75.5 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...