./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/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 f80d3a5338c2579934de7f265b1ca347607a109f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 01:32:28,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:32:28,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:32:28,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:32:28,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:32:28,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:32:28,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:32:28,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:32:28,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:32:28,301 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:32:28,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:32:28,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:32:28,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:32:28,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:32:28,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:32:28,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:32:28,304 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:32:28,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:32:28,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:32:28,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:32:28,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:32:28,309 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:32:28,310 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:32:28,311 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:32:28,311 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:32:28,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:32:28,312 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:32:28,313 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:32:28,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:32:28,314 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:32:28,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:32:28,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:32:28,315 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:32:28,315 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:32:28,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:32:28,316 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:32:28,316 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 01:32:28,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:32:28,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:32:28,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:32:28,327 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:32:28,327 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:32:28,328 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:32:28,328 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:32:28,328 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:32:28,328 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:32:28,328 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:32:28,328 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:32:28,328 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:32:28,328 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:32:28,328 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:32:28,329 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:32:28,329 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:32:28,329 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:32:28,329 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:32:28,329 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:32:28,329 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:32:28,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:32:28,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:32:28,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:32:28,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:32:28,330 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:32:28,330 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 01:32:28,330 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:32:28,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:32:28,330 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_a53cb097-3ef9-42fc-9a76-3449d43b9663/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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2018-11-10 01:32:28,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:32:28,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:32:28,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:32:28,362 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:32:28,362 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:32:28,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-10 01:32:28,397 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/data/b80f34976/7f81b5dcdbaf46d2bb817e8b7d3e539a/FLAGa32930e72 [2018-11-10 01:32:28,828 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:32:28,828 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-10 01:32:28,836 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/data/b80f34976/7f81b5dcdbaf46d2bb817e8b7d3e539a/FLAGa32930e72 [2018-11-10 01:32:28,845 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/data/b80f34976/7f81b5dcdbaf46d2bb817e8b7d3e539a [2018-11-10 01:32:28,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:32:28,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:32:28,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:32:28,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:32:28,851 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:32:28,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:32:28" (1/1) ... [2018-11-10 01:32:28,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bcb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:28, skipping insertion in model container [2018-11-10 01:32:28,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:32:28" (1/1) ... [2018-11-10 01:32:28,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:32:28,887 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:32:29,067 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:32:29,076 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:32:29,130 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:32:29,147 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:32:29,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29 WrapperNode [2018-11-10 01:32:29,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:32:29,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:32:29,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:32:29,148 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:32:29,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:32:29,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:32:29,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:32:29,244 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:32:29,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... [2018-11-10 01:32:29,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:32:29,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:32:29,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:32:29,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:32:29,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:32:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:32:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 01:32:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 01:32:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 01:32:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 01:32:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 01:32:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 01:32:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 01:32:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 01:32:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 01:32:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 01:32:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 01:32:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 01:32:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 01:32:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 01:32:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 01:32:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:32:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:32:30,271 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:32:30,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:30 BoogieIcfgContainer [2018-11-10 01:32:30,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:32:30,272 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:32:30,272 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:32:30,281 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:32:30,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:30" (1/1) ... [2018-11-10 01:32:30,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:32:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2018-11-10 01:32:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2018-11-10 01:32:30,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 01:32:30,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:30,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-11-10 01:32:30,487 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-11-10 01:32:30,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 01:32:30,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2018-11-10 01:32:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2018-11-10 01:32:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 01:32:30,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2018-11-10 01:32:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2018-11-10 01:32:30,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 01:32:30,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2018-11-10 01:32:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-11-10 01:32:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 01:32:30,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:31,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 143 transitions. [2018-11-10 01:32:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2018-11-10 01:32:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 01:32:31,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 95 states and 144 transitions. [2018-11-10 01:32:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2018-11-10 01:32:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 01:32:31,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 96 states and 145 transitions. [2018-11-10 01:32:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 145 transitions. [2018-11-10 01:32:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 01:32:31,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 101 states and 157 transitions. [2018-11-10 01:32:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 157 transitions. [2018-11-10 01:32:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 01:32:31,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 102 states and 158 transitions. [2018-11-10 01:32:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2018-11-10 01:32:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 01:32:31,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 103 states and 159 transitions. [2018-11-10 01:32:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 159 transitions. [2018-11-10 01:32:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 01:32:31,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:32,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 197 transitions. [2018-11-10 01:32:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 197 transitions. [2018-11-10 01:32:32,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 01:32:32,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 203 transitions. [2018-11-10 01:32:32,309 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 203 transitions. [2018-11-10 01:32:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 01:32:32,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:32,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 132 states and 214 transitions. [2018-11-10 01:32:32,472 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2018-11-10 01:32:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 01:32:32,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:32:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 133 states and 215 transitions. [2018-11-10 01:32:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 215 transitions. [2018-11-10 01:32:32,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 01:32:32,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:32,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:32,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 225 transitions. [2018-11-10 01:32:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 225 transitions. [2018-11-10 01:32:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 01:32:32,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 232 transitions. [2018-11-10 01:32:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 232 transitions. [2018-11-10 01:32:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 01:32:32,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 151 states and 258 transitions. [2018-11-10 01:32:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 258 transitions. [2018-11-10 01:32:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 01:32:33,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 149 states and 254 transitions. [2018-11-10 01:32:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 254 transitions. [2018-11-10 01:32:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 01:32:33,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:33,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 150 states and 256 transitions. [2018-11-10 01:32:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 256 transitions. [2018-11-10 01:32:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 01:32:33,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:33,610 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 01:32:34,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 153 states and 263 transitions. [2018-11-10 01:32:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 263 transitions. [2018-11-10 01:32:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 01:32:34,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 01:32:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 276 transitions. [2018-11-10 01:32:34,241 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 276 transitions. [2018-11-10 01:32:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 01:32:34,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 01:32:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 165 states and 278 transitions. [2018-11-10 01:32:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 278 transitions. [2018-11-10 01:32:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 01:32:34,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 168 states and 286 transitions. [2018-11-10 01:32:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 286 transitions. [2018-11-10 01:32:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 01:32:34,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 169 states and 287 transitions. [2018-11-10 01:32:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 287 transitions. [2018-11-10 01:32:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 01:32:34,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:34,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 172 states and 293 transitions. [2018-11-10 01:32:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 293 transitions. [2018-11-10 01:32:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 01:32:34,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 01:32:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 173 states and 294 transitions. [2018-11-10 01:32:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 294 transitions. [2018-11-10 01:32:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 01:32:34,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 01:32:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 191 states and 338 transitions. [2018-11-10 01:32:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 338 transitions. [2018-11-10 01:32:36,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 01:32:36,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 01:32:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 194 states and 343 transitions. [2018-11-10 01:32:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 343 transitions. [2018-11-10 01:32:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 01:32:36,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 214 states and 384 transitions. [2018-11-10 01:32:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 384 transitions. [2018-11-10 01:32:37,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 01:32:37,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 01:32:38,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 227 states and 422 transitions. [2018-11-10 01:32:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 422 transitions. [2018-11-10 01:32:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 01:32:38,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 01:32:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 230 states and 426 transitions. [2018-11-10 01:32:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 426 transitions. [2018-11-10 01:32:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 01:32:39,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 01:32:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 231 states and 427 transitions. [2018-11-10 01:32:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 427 transitions. [2018-11-10 01:32:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 01:32:39,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 01:32:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 235 states and 434 transitions. [2018-11-10 01:32:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 434 transitions. [2018-11-10 01:32:39,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 01:32:39,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 249 states and 456 transitions. [2018-11-10 01:32:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 456 transitions. [2018-11-10 01:32:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 01:32:40,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 250 states and 460 transitions. [2018-11-10 01:32:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 460 transitions. [2018-11-10 01:32:41,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 01:32:41,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 01:32:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 256 states and 469 transitions. [2018-11-10 01:32:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 469 transitions. [2018-11-10 01:32:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 01:32:41,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 01:32:43,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 268 states and 489 transitions. [2018-11-10 01:32:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 489 transitions. [2018-11-10 01:32:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 01:32:43,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 01:32:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 269 states and 490 transitions. [2018-11-10 01:32:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 490 transitions. [2018-11-10 01:32:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 01:32:43,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 01:32:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 273 states and 491 transitions. [2018-11-10 01:32:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 491 transitions. [2018-11-10 01:32:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 01:32:43,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 01:32:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 276 states and 494 transitions. [2018-11-10 01:32:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 494 transitions. [2018-11-10 01:32:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 01:32:43,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 01:32:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 277 states and 495 transitions. [2018-11-10 01:32:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 495 transitions. [2018-11-10 01:32:43,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 01:32:43,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 01:32:44,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 283 states and 506 transitions. [2018-11-10 01:32:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 506 transitions. [2018-11-10 01:32:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 01:32:44,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 01:32:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 208 states and 341 transitions. [2018-11-10 01:32:44,426 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 341 transitions. [2018-11-10 01:32:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 01:32:44,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 01:32:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 223 states and 367 transitions. [2018-11-10 01:32:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 367 transitions. [2018-11-10 01:32:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 01:32:45,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:32:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 228 states and 374 transitions. [2018-11-10 01:32:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 374 transitions. [2018-11-10 01:32:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 01:32:45,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:32:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 229 states and 377 transitions. [2018-11-10 01:32:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 377 transitions. [2018-11-10 01:32:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 01:32:45,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:45,598 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:32:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 226 states and 370 transitions. [2018-11-10 01:32:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 370 transitions. [2018-11-10 01:32:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 01:32:45,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:32:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 227 states and 375 transitions. [2018-11-10 01:32:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 375 transitions. [2018-11-10 01:32:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 01:32:46,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:32:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 229 states and 376 transitions. [2018-11-10 01:32:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 376 transitions. [2018-11-10 01:32:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 01:32:46,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:32:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 230 states and 377 transitions. [2018-11-10 01:32:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 377 transitions. [2018-11-10 01:32:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 01:32:46,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:32:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 233 states and 380 transitions. [2018-11-10 01:32:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 380 transitions. [2018-11-10 01:32:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 01:32:46,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:32:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 236 states and 382 transitions. [2018-11-10 01:32:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 382 transitions. [2018-11-10 01:32:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 01:32:46,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 01:32:46,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 237 states and 383 transitions. [2018-11-10 01:32:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 383 transitions. [2018-11-10 01:32:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 01:32:46,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:32:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 239 states and 387 transitions. [2018-11-10 01:32:46,686 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 387 transitions. [2018-11-10 01:32:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 01:32:46,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:32:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 239 states and 386 transitions. [2018-11-10 01:32:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 386 transitions. [2018-11-10 01:32:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 01:32:46,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:32:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 239 states and 385 transitions. [2018-11-10 01:32:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 385 transitions. [2018-11-10 01:32:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 01:32:46,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:32:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 226 states and 360 transitions. [2018-11-10 01:32:46,875 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 360 transitions. [2018-11-10 01:32:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 01:32:46,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:32:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:46,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 228 states and 363 transitions. [2018-11-10 01:32:46,948 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 363 transitions. [2018-11-10 01:32:46,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 01:32:46,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:32:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 229 states and 364 transitions. [2018-11-10 01:32:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 364 transitions. [2018-11-10 01:32:47,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 01:32:47,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:32:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:32:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 01:32:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:32:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 139 states and 191 transitions. [2018-11-10 01:32:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 191 transitions. [2018-11-10 01:32:47,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:32:47,060 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2018-11-10 01:32:47,068 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 01:32:47,360 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,363 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,363 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,363 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,363 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-11-10 01:32:47,367 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,368 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,368 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,368 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 01:32:47,369 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,369 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,369 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 01:32:47,370 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,370 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,370 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,370 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:32:47,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:32:47 ImpRootNode [2018-11-10 01:32:47,370 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:32:47,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:32:47,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:32:47,371 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:32:47,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:32:30" (3/4) ... [2018-11-10 01:32:47,374 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:32:47,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 01:32:47,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 01:32:47,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 01:32:47,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 01:32:47,379 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 01:32:47,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 01:32:47,380 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 01:32:47,385 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-10 01:32:47,386 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 01:32:47,386 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 01:32:47,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) [2018-11-10 01:32:47,440 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a53cb097-3ef9-42fc-9a76-3449d43b9663/bin-2019/ukojak/witness.graphml [2018-11-10 01:32:47,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:32:47,441 INFO L168 Benchmark]: Toolchain (without parser) took 18593.40 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 566.2 MB). Free memory was 954.9 MB in the beginning and 955.0 MB in the end (delta: -182.1 kB). Peak memory consumption was 566.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:47,442 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:47,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.91 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 929.6 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:47,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 929.6 MB in the beginning and 1.2 GB in the end (delta: -239.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:47,443 INFO L168 Benchmark]: Boogie Preprocessor took 24.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:47,443 INFO L168 Benchmark]: RCFGBuilder took 1002.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:47,443 INFO L168 Benchmark]: CodeCheck took 17098.35 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 391.6 MB). Free memory was 1.1 GB in the beginning and 955.0 MB in the end (delta: 112.0 MB). Peak memory consumption was 503.6 MB. Max. memory is 11.5 GB. [2018-11-10 01:32:47,444 INFO L168 Benchmark]: Witness Printer took 69.69 ms. Allocated memory is still 1.6 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:32:47,445 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 8 procedures, 120 locations, 1 error locations. SAFE Result, 16.7s OverallTime, 61 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1245380508 SDtfs, 1559312556 SDslu, -1538299940 SDs, 0 SdLazy, 1562178588 SolverSat, -526506380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29799 GetRequests, 29024 SyntacticMatches, 409 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63505 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2910 NumberOfCodeBlocks, 2910 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 2850 ConstructedInterpolants, 0 QuantifiedInterpolants, 298571 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 49 PerfectInterpolantSequences, 1159/1214 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: 600]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.91 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 929.6 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 929.6 MB in the beginning and 1.2 GB in the end (delta: -239.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1002.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. * CodeCheck took 17098.35 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 391.6 MB). Free memory was 1.1 GB in the beginning and 955.0 MB in the end (delta: 112.0 MB). Peak memory consumption was 503.6 MB. Max. memory is 11.5 GB. * Witness Printer took 69.69 ms. Allocated memory is still 1.6 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...