./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_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_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:15:39,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:15:39,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:15:39,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:15:39,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:15:39,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:15:39,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:15:39,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:15:39,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:15:39,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:15:39,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:15:39,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:15:39,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:15:39,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:15:39,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:15:39,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:15:39,559 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:15:39,560 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:15:39,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:15:39,562 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:15:39,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:15:39,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:15:39,566 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:15:39,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:15:39,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:15:39,567 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:15:39,568 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:15:39,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:15:39,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:15:39,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:15:39,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:15:39,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:15:39,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:15:39,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:15:39,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:15:39,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:15:39,572 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:15:39,582 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:15:39,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:15:39,583 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:15:39,583 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:15:39,583 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:15:39,583 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:15:39,584 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:15:39,584 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:15:39,584 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:15:39,584 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:15:39,584 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:15:39,584 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:15:39,584 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:15:39,585 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:15:39,585 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:15:39,585 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:15:39,585 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:15:39,585 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:15:39,585 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:15:39,586 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:15:39,586 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:15:39,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:15:39,586 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:15:39,586 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:15:39,586 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:15:39,586 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:15:39,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:15:39,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:15:39,587 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_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-11-10 03:15:39,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:15:39,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:15:39,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:15:39,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:15:39,617 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:15:39,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-10 03:15:39,652 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/data/744e5bfa8/24bd3038557440e48f3bc1c7d8f1d17c/FLAG23bd2384c [2018-11-10 03:15:40,077 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:15:40,077 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-10 03:15:40,084 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/data/744e5bfa8/24bd3038557440e48f3bc1c7d8f1d17c/FLAG23bd2384c [2018-11-10 03:15:40,092 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/data/744e5bfa8/24bd3038557440e48f3bc1c7d8f1d17c [2018-11-10 03:15:40,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:15:40,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:15:40,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:15:40,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:15:40,099 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:15:40,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40, skipping insertion in model container [2018-11-10 03:15:40,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:15:40,136 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:15:40,318 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:15:40,326 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:15:40,379 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:15:40,396 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:15:40,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40 WrapperNode [2018-11-10 03:15:40,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:15:40,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:15:40,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:15:40,397 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:15:40,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:15:40,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:15:40,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:15:40,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:15:40,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... [2018-11-10 03:15:40,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:15:40,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:15:40,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:15:40,488 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:15:40,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:15:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/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 03:15:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:15:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:15:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:15:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:15:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:15:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:15:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:15:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:15:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:15:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:15:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:15:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 03:15:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 03:15:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 03:15:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 03:15:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:15:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:15:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:15:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:15:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:15:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:15:41,512 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:15:41,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:41 BoogieIcfgContainer [2018-11-10 03:15:41,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:15:41,513 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:15:41,513 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:15:41,520 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:15:41,520 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:41" (1/1) ... [2018-11-10 03:15:41,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:15:41,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2018-11-10 03:15:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2018-11-10 03:15:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 03:15:41,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:41,717 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 03:15:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2018-11-10 03:15:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-11-10 03:15:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 03:15:41,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:41,806 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 03:15:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2018-11-10 03:15:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2018-11-10 03:15:41,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 03:15:41,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:41,940 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 03:15:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2018-11-10 03:15:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2018-11-10 03:15:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 03:15:41,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:42,016 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 03:15:42,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 88 states and 123 transitions. [2018-11-10 03:15:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2018-11-10 03:15:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:15:42,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:42,206 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 03:15:42,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 124 transitions. [2018-11-10 03:15:42,225 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2018-11-10 03:15:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 03:15:42,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:42,301 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 03:15:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2018-11-10 03:15:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2018-11-10 03:15:42,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:15:42,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:42,726 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 03:15:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2018-11-10 03:15:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2018-11-10 03:15:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 03:15:42,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:42,777 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 03:15:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 109 states and 162 transitions. [2018-11-10 03:15:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2018-11-10 03:15:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 03:15:42,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:42,868 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 03:15:43,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 119 states and 180 transitions. [2018-11-10 03:15:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 180 transitions. [2018-11-10 03:15:43,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 03:15:43,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:43,199 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 03:15:43,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 140 states and 225 transitions. [2018-11-10 03:15:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 225 transitions. [2018-11-10 03:15:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 03:15:43,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:43,886 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 03:15:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 141 states and 228 transitions. [2018-11-10 03:15:44,001 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 228 transitions. [2018-11-10 03:15:44,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 03:15:44,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,041 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 03:15:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2018-11-10 03:15:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-11-10 03:15:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 03:15:44,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,167 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 03:15:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 150 states and 248 transitions. [2018-11-10 03:15:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 248 transitions. [2018-11-10 03:15:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 03:15:44,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,211 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 03:15:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 151 states and 249 transitions. [2018-11-10 03:15:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 249 transitions. [2018-11-10 03:15:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 03:15:44,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,293 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 03:15:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 156 states and 259 transitions. [2018-11-10 03:15:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 259 transitions. [2018-11-10 03:15:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 03:15:44,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,632 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 03:15:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 160 states and 270 transitions. [2018-11-10 03:15:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 270 transitions. [2018-11-10 03:15:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 03:15:44,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,700 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 03:15:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 163 states and 277 transitions. [2018-11-10 03:15:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 277 transitions. [2018-11-10 03:15:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 03:15:44,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,829 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 03:15:44,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 169 states and 291 transitions. [2018-11-10 03:15:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 291 transitions. [2018-11-10 03:15:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 03:15:44,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,899 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 03:15:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 173 states and 300 transitions. [2018-11-10 03:15:44,940 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 300 transitions. [2018-11-10 03:15:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 03:15:44,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:44,991 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 03:15:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 184 states and 330 transitions. [2018-11-10 03:15:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 330 transitions. [2018-11-10 03:15:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 03:15:45,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:45,551 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 03:15:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 182 states and 326 transitions. [2018-11-10 03:15:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 326 transitions. [2018-11-10 03:15:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 03:15:45,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:45,772 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 03:15:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 185 states and 334 transitions. [2018-11-10 03:15:46,307 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 334 transitions. [2018-11-10 03:15:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 03:15:46,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:46,328 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 03:15:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 194 states and 347 transitions. [2018-11-10 03:15:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 347 transitions. [2018-11-10 03:15:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 03:15:46,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:46,517 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 03:15:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 200 states and 360 transitions. [2018-11-10 03:15:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 360 transitions. [2018-11-10 03:15:47,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:15:47,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:47,036 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 03:15:47,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 201 states and 362 transitions. [2018-11-10 03:15:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 362 transitions. [2018-11-10 03:15:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 03:15:47,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:47,093 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 03:15:47,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 202 states and 364 transitions. [2018-11-10 03:15:47,129 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 364 transitions. [2018-11-10 03:15:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 03:15:47,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:47,153 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 03:15:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 205 states and 366 transitions. [2018-11-10 03:15:47,273 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 366 transitions. [2018-11-10 03:15:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:15:47,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:47,296 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 03:15:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 206 states and 367 transitions. [2018-11-10 03:15:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 367 transitions. [2018-11-10 03:15:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:15:47,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:47,329 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 03:15:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 218 states and 393 transitions. [2018-11-10 03:15:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 393 transitions. [2018-11-10 03:15:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:15:47,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:47,884 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 03:15:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 221 states and 395 transitions. [2018-11-10 03:15:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 395 transitions. [2018-11-10 03:15:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 03:15:48,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:48,111 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 03:15:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 229 states and 424 transitions. [2018-11-10 03:15:48,381 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 424 transitions. [2018-11-10 03:15:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 03:15:48,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:48,404 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 03:15:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:48,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 232 states and 427 transitions. [2018-11-10 03:15:48,637 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 427 transitions. [2018-11-10 03:15:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 03:15:48,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:15:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 243 states and 458 transitions. [2018-11-10 03:15:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 458 transitions. [2018-11-10 03:15:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 03:15:50,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:50,382 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 03:15:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 244 states and 459 transitions. [2018-11-10 03:15:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 459 transitions. [2018-11-10 03:15:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 03:15:50,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:15:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 250 states and 473 transitions. [2018-11-10 03:15:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 473 transitions. [2018-11-10 03:15:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 03:15:50,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:15:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:51,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 253 states and 477 transitions. [2018-11-10 03:15:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 477 transitions. [2018-11-10 03:15:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 03:15:51,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:15:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:52,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 263 states and 505 transitions. [2018-11-10 03:15:52,920 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 505 transitions. [2018-11-10 03:15:52,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 03:15:52,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:52,939 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 03:15:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:52,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 264 states and 506 transitions. [2018-11-10 03:15:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 506 transitions. [2018-11-10 03:15:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 03:15:52,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:15:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 267 states and 511 transitions. [2018-11-10 03:15:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 511 transitions. [2018-11-10 03:15:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 03:15:52,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:15:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 268 states and 512 transitions. [2018-11-10 03:15:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 512 transitions. [2018-11-10 03:15:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 03:15:53,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:15:53,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 272 states and 520 transitions. [2018-11-10 03:15:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 520 transitions. [2018-11-10 03:15:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 03:15:53,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:53,577 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 03:15:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 281 states and 553 transitions. [2018-11-10 03:15:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 553 transitions. [2018-11-10 03:15:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 03:15:54,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:15:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 282 states and 554 transitions. [2018-11-10 03:15:54,448 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 554 transitions. [2018-11-10 03:15:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 03:15:54,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:54,500 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 03:15:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 285 states and 562 transitions. [2018-11-10 03:15:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 562 transitions. [2018-11-10 03:15:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 03:15:54,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:54,775 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 03:15:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 288 states and 567 transitions. [2018-11-10 03:15:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 567 transitions. [2018-11-10 03:15:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 03:15:54,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:54,831 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 03:15:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 309 states and 612 transitions. [2018-11-10 03:15:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 612 transitions. [2018-11-10 03:15:56,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 03:15:56,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:56,716 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 03:15:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 312 states and 614 transitions. [2018-11-10 03:15:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 614 transitions. [2018-11-10 03:15:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 03:15:56,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:15:57,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:57,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 317 states and 634 transitions. [2018-11-10 03:15:57,696 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 634 transitions. [2018-11-10 03:15:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 03:15:57,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:15:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 321 states and 654 transitions. [2018-11-10 03:15:58,237 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 654 transitions. [2018-11-10 03:15:58,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 03:15:58,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:15:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 331 states and 675 transitions. [2018-11-10 03:15:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 675 transitions. [2018-11-10 03:15:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 03:15:59,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:15:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 334 states and 677 transitions. [2018-11-10 03:15:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 677 transitions. [2018-11-10 03:15:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 03:15:59,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:15:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 340 states and 685 transitions. [2018-11-10 03:15:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 685 transitions. [2018-11-10 03:15:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 03:15:59,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:15:59,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:15:59,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 343 states and 687 transitions. [2018-11-10 03:15:59,967 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 687 transitions. [2018-11-10 03:15:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 03:15:59,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:15:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:15:59,979 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 03:16:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 348 states and 699 transitions. [2018-11-10 03:16:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 699 transitions. [2018-11-10 03:16:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 03:16:00,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:16:00,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:00,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 349 states and 700 transitions. [2018-11-10 03:16:00,485 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 700 transitions. [2018-11-10 03:16:00,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 03:16:00,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 03:16:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:01,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 358 states and 732 transitions. [2018-11-10 03:16:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 732 transitions. [2018-11-10 03:16:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 03:16:01,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:02,047 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 03:16:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:02,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 356 states and 716 transitions. [2018-11-10 03:16:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 716 transitions. [2018-11-10 03:16:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 03:16:02,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:16:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 357 states and 717 transitions. [2018-11-10 03:16:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 717 transitions. [2018-11-10 03:16:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 03:16:02,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:16:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 363 states and 729 transitions. [2018-11-10 03:16:03,083 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 729 transitions. [2018-11-10 03:16:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 03:16:03,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:16:04,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 372 states and 752 transitions. [2018-11-10 03:16:04,166 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 752 transitions. [2018-11-10 03:16:04,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 03:16:04,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:16:04,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 375 states and 758 transitions. [2018-11-10 03:16:04,384 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 758 transitions. [2018-11-10 03:16:04,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 03:16:04,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 03:16:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 382 states and 771 transitions. [2018-11-10 03:16:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 771 transitions. [2018-11-10 03:16:05,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 03:16:05,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:05,818 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 03:16:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 380 states and 767 transitions. [2018-11-10 03:16:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 767 transitions. [2018-11-10 03:16:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 03:16:05,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:05,869 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 03:16:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 381 states and 770 transitions. [2018-11-10 03:16:06,164 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 770 transitions. [2018-11-10 03:16:06,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 03:16:06,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:06,354 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 03:16:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 382 states and 771 transitions. [2018-11-10 03:16:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 771 transitions. [2018-11-10 03:16:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 03:16:06,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:06,389 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 03:16:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 385 states and 774 transitions. [2018-11-10 03:16:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 774 transitions. [2018-11-10 03:16:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 03:16:06,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:06,622 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 03:16:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:08,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 401 states and 806 transitions. [2018-11-10 03:16:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 806 transitions. [2018-11-10 03:16:08,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 03:16:08,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:16:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 404 states and 811 transitions. [2018-11-10 03:16:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 811 transitions. [2018-11-10 03:16:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 03:16:09,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:09,333 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 03:16:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 406 states and 813 transitions. [2018-11-10 03:16:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 813 transitions. [2018-11-10 03:16:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 03:16:09,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:09,365 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 03:16:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 400 states and 801 transitions. [2018-11-10 03:16:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 801 transitions. [2018-11-10 03:16:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 03:16:09,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:09,422 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 03:16:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 402 states and 804 transitions. [2018-11-10 03:16:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 804 transitions. [2018-11-10 03:16:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 03:16:09,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 03:16:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 403 states and 805 transitions. [2018-11-10 03:16:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 805 transitions. [2018-11-10 03:16:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 03:16:09,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:09,793 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 03:16:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 401 states and 801 transitions. [2018-11-10 03:16:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 801 transitions. [2018-11-10 03:16:09,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 03:16:09,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:16:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 402 states and 803 transitions. [2018-11-10 03:16:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 803 transitions. [2018-11-10 03:16:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 03:16:09,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:09,979 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 03:16:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 407 states and 812 transitions. [2018-11-10 03:16:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 812 transitions. [2018-11-10 03:16:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 03:16:10,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:10,267 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 03:16:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 409 states and 815 transitions. [2018-11-10 03:16:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 815 transitions. [2018-11-10 03:16:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 03:16:10,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:16:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 409 states and 814 transitions. [2018-11-10 03:16:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 814 transitions. [2018-11-10 03:16:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 03:16:10,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 03:16:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 410 states and 815 transitions. [2018-11-10 03:16:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 815 transitions. [2018-11-10 03:16:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 03:16:10,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:10,407 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 03:16:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 411 states and 816 transitions. [2018-11-10 03:16:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 816 transitions. [2018-11-10 03:16:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 03:16:10,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:10,456 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 03:16:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 412 states and 817 transitions. [2018-11-10 03:16:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 817 transitions. [2018-11-10 03:16:10,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 03:16:10,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:10,506 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 03:16:10,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 406 states and 805 transitions. [2018-11-10 03:16:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 805 transitions. [2018-11-10 03:16:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 03:16:10,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:10,549 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 03:16:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 397 states and 787 transitions. [2018-11-10 03:16:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 787 transitions. [2018-11-10 03:16:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 03:16:10,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 03:16:11,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 407 states and 800 transitions. [2018-11-10 03:16:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 800 transitions. [2018-11-10 03:16:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 03:16:11,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 03:16:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 405 states and 788 transitions. [2018-11-10 03:16:12,406 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 788 transitions. [2018-11-10 03:16:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 03:16:12,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 03:16:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:12,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 406 states and 789 transitions. [2018-11-10 03:16:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 789 transitions. [2018-11-10 03:16:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 03:16:12,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:16:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:16:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 03:16:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:16:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 190 states and 257 transitions. [2018-11-10 03:16:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2018-11-10 03:16:13,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:16:13,158 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 87 iterations. [2018-11-10 03:16:13,165 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 03:16:13,495 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 03:16:13,499 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 03:16:13,500 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,500 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 03:16:13,501 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,501 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,501 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,501 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,501 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 03:16:13,501 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,501 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,502 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,502 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,502 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,502 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,502 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:16:13,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:16:13 ImpRootNode [2018-11-10 03:16:13,502 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:16:13,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:16:13,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:16:13,503 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:16:13,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:15:41" (3/4) ... [2018-11-10 03:16:13,506 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:16:13,509 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:16:13,509 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:16:13,509 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:16:13,509 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:16:13,509 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:16:13,509 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:16:13,510 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:16:13,510 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 03:16:13,510 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 03:16:13,514 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-11-10 03:16:13,515 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 03:16:13,515 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 03:16:13,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(systemActive == 0) && !(pumpRunning == 0)) [2018-11-10 03:16:13,533 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-10 03:16:13,564 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6320f5c0-74ad-445e-b2f0-5ca4de9d5cc3/bin-2019/ukojak/witness.graphml [2018-11-10 03:16:13,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:16:13,565 INFO L168 Benchmark]: Toolchain (without parser) took 33470.35 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 923.3 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -133.9 MB). Peak memory consumption was 789.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:16:13,566 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 03:16:13,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.46 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 932.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:16:13,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 932.2 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:16:13,567 INFO L168 Benchmark]: Boogie Preprocessor took 17.82 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:16:13,567 INFO L168 Benchmark]: RCFGBuilder took 1025.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.9 MB). Peak memory consumption was 97.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:16:13,567 INFO L168 Benchmark]: CodeCheck took 31989.03 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 780.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.9 MB). Peak memory consumption was 724.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:16:13,568 INFO L168 Benchmark]: Witness Printer took 61.84 ms. Allocated memory is still 2.0 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-10 03:16:13,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 137 locations, 1 error locations. SAFE Result, 31.6s OverallTime, 87 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -12287704 SDtfs, -759754528 SDslu, -414834456 SDs, 0 SdLazy, -372226852 SolverSat, 1146221616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 92.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54498 GetRequests, 53426 SyntacticMatches, 518 SemanticMatches, 554 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181361 ImplicationChecksByTransitivity, 26.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 4693 NumberOfCodeBlocks, 4693 NumberOfCodeBlocksAsserted, 86 NumberOfCheckSat, 4607 ConstructedInterpolants, 0 QuantifiedInterpolants, 532228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 86 InterpolantComputations, 74 PerfectInterpolantSequences, 1889/1951 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: 44]: 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: 438]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(systemActive == 0) && !(pumpRunning == 0)) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.46 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 932.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 932.2 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.82 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1025.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.9 MB). Peak memory consumption was 97.9 MB. Max. memory is 11.5 GB. * CodeCheck took 31989.03 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 780.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.9 MB). Peak memory consumption was 724.3 MB. Max. memory is 11.5 GB. * Witness Printer took 61.84 ms. Allocated memory is still 2.0 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...