./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66834ce7ab851f30f4141210f1887a35b259a922 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:37:22,571 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:37:22,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:37:22,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:37:22,581 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:37:22,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:37:22,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:37:22,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:37:22,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:37:22,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:37:22,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:37:22,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:37:22,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:37:22,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:37:22,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:37:22,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:37:22,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:37:22,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:37:22,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:37:22,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:37:22,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:37:22,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:37:22,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:37:22,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:37:22,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:37:22,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:37:22,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:37:22,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:37:22,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:37:22,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:37:22,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:37:22,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:37:22,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:37:22,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:37:22,604 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:37:22,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:37:22,605 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 02:37:22,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:37:22,616 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:37:22,617 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:37:22,617 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:37:22,617 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:37:22,618 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:37:22,618 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:37:22,618 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:37:22,618 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:37:22,618 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:37:22,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:37:22,618 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:37:22,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:37:22,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:37:22,619 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:37:22,619 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:37:22,619 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:37:22,619 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:37:22,619 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:37:22,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:37:22,620 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:37:22,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:37:22,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:37:22,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:37:22,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:37:22,620 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 02:37:22,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:37:22,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:37:22,620 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_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66834ce7ab851f30f4141210f1887a35b259a922 [2018-11-10 02:37:22,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:37:22,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:37:22,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:37:22,657 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:37:22,657 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:37:22,658 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2018-11-10 02:37:22,700 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/data/6fedfc150/4a5355cc08534820a9e91e950180d97e/FLAG90838008c [2018-11-10 02:37:23,073 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:37:23,074 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2018-11-10 02:37:23,083 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/data/6fedfc150/4a5355cc08534820a9e91e950180d97e/FLAG90838008c [2018-11-10 02:37:23,093 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/data/6fedfc150/4a5355cc08534820a9e91e950180d97e [2018-11-10 02:37:23,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:37:23,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:37:23,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:37:23,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:37:23,100 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:37:23,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bcb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23, skipping insertion in model container [2018-11-10 02:37:23,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:37:23,154 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:37:23,377 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:37:23,386 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:37:23,452 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:37:23,479 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:37:23,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23 WrapperNode [2018-11-10 02:37:23,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:37:23,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:37:23,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:37:23,481 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:37:23,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:37:23,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:37:23,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:37:23,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:37:23,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... [2018-11-10 02:37:23,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:37:23,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:37:23,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:37:23,632 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:37:23,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:37:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/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 02:37:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 02:37:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 02:37:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 02:37:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 02:37:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 02:37:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 02:37:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 02:37:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 02:37:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 02:37:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 02:37:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 02:37:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 02:37:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 02:37:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 02:37:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 02:37:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 02:37:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 02:37:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 02:37:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 02:37:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:37:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:37:24,763 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:37:24,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:37:24 BoogieIcfgContainer [2018-11-10 02:37:24,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:37:24,764 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:37:24,765 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:37:24,772 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:37:24,772 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:37:24" (1/1) ... [2018-11-10 02:37:24,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:37:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 68 states and 90 transitions. [2018-11-10 02:37:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2018-11-10 02:37:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 02:37:24,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:24,985 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 02:37:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 68 states and 87 transitions. [2018-11-10 02:37:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-11-10 02:37:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 02:37:25,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:25,098 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 02:37:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions. [2018-11-10 02:37:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2018-11-10 02:37:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 02:37:25,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:25,217 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 02:37:25,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2018-11-10 02:37:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2018-11-10 02:37:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 02:37:25,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:25,429 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 02:37:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 82 states and 111 transitions. [2018-11-10 02:37:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 111 transitions. [2018-11-10 02:37:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 02:37:25,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:25,483 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 02:37:25,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 83 states and 112 transitions. [2018-11-10 02:37:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2018-11-10 02:37:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 02:37:25,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:25,585 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 02:37:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 100 states and 144 transitions. [2018-11-10 02:37:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 144 transitions. [2018-11-10 02:37:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 02:37:25,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:25,907 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 02:37:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2018-11-10 02:37:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2018-11-10 02:37:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 02:37:25,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:25,987 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 02:37:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 121 states and 185 transitions. [2018-11-10 02:37:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 185 transitions. [2018-11-10 02:37:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 02:37:26,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:26,763 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 02:37:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 133 states and 210 transitions. [2018-11-10 02:37:27,391 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2018-11-10 02:37:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 02:37:27,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:27,421 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 02:37:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 138 states and 223 transitions. [2018-11-10 02:37:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2018-11-10 02:37:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 02:37:27,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:27,595 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 02:37:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 139 states and 226 transitions. [2018-11-10 02:37:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 226 transitions. [2018-11-10 02:37:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 02:37:27,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:27,651 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 02:37:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 140 states and 227 transitions. [2018-11-10 02:37:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 227 transitions. [2018-11-10 02:37:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 02:37:27,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:27,785 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 02:37:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 147 states and 244 transitions. [2018-11-10 02:37:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 244 transitions. [2018-11-10 02:37:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 02:37:28,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:28,135 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 02:37:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 240 transitions. [2018-11-10 02:37:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 240 transitions. [2018-11-10 02:37:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 02:37:28,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:28,464 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 02:37:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 153 states and 259 transitions. [2018-11-10 02:37:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 259 transitions. [2018-11-10 02:37:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 02:37:29,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:37:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 163 states and 278 transitions. [2018-11-10 02:37:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 278 transitions. [2018-11-10 02:37:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 02:37:29,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:29,601 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 02:37:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 165 states and 282 transitions. [2018-11-10 02:37:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 282 transitions. [2018-11-10 02:37:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 02:37:29,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:37:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 166 states and 283 transitions. [2018-11-10 02:37:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 283 transitions. [2018-11-10 02:37:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 02:37:29,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:37:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 167 states and 284 transitions. [2018-11-10 02:37:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 284 transitions. [2018-11-10 02:37:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 02:37:29,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 02:37:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 170 states and 287 transitions. [2018-11-10 02:37:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 287 transitions. [2018-11-10 02:37:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 02:37:30,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 175 states and 297 transitions. [2018-11-10 02:37:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 297 transitions. [2018-11-10 02:37:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:37:30,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:30,541 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 183 states and 323 transitions. [2018-11-10 02:37:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 323 transitions. [2018-11-10 02:37:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:37:30,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 186 states and 326 transitions. [2018-11-10 02:37:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 326 transitions. [2018-11-10 02:37:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 02:37:31,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 02:37:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 199 states and 368 transitions. [2018-11-10 02:37:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 368 transitions. [2018-11-10 02:37:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 02:37:32,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:32,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 200 states and 369 transitions. [2018-11-10 02:37:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 369 transitions. [2018-11-10 02:37:32,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 02:37:32,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 02:37:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 207 states and 382 transitions. [2018-11-10 02:37:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 382 transitions. [2018-11-10 02:37:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 02:37:33,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 02:37:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:33,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 208 states and 383 transitions. [2018-11-10 02:37:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 383 transitions. [2018-11-10 02:37:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:37:33,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 02:37:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:34,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 227 states and 436 transitions. [2018-11-10 02:37:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 436 transitions. [2018-11-10 02:37:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 02:37:34,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 235 states and 464 transitions. [2018-11-10 02:37:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 464 transitions. [2018-11-10 02:37:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:37:35,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 238 states and 469 transitions. [2018-11-10 02:37:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 469 transitions. [2018-11-10 02:37:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 02:37:35,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 02:37:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:36,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 243 states and 481 transitions. [2018-11-10 02:37:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 481 transitions. [2018-11-10 02:37:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 02:37:36,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 02:37:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 252 states and 524 transitions. [2018-11-10 02:37:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 524 transitions. [2018-11-10 02:37:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:37:36,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:37:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:38,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 261 states and 556 transitions. [2018-11-10 02:37:38,163 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 556 transitions. [2018-11-10 02:37:38,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:37:38,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 02:37:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 259 states and 537 transitions. [2018-11-10 02:37:38,294 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 537 transitions. [2018-11-10 02:37:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 02:37:38,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 262 states and 543 transitions. [2018-11-10 02:37:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 543 transitions. [2018-11-10 02:37:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 02:37:38,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 02:37:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 263 states and 544 transitions. [2018-11-10 02:37:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 544 transitions. [2018-11-10 02:37:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 02:37:38,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:37:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 268 states and 552 transitions. [2018-11-10 02:37:39,756 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 552 transitions. [2018-11-10 02:37:39,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 02:37:39,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 269 states and 553 transitions. [2018-11-10 02:37:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 553 transitions. [2018-11-10 02:37:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 02:37:39,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 02:37:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 270 states and 554 transitions. [2018-11-10 02:37:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 554 transitions. [2018-11-10 02:37:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 02:37:39,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 02:37:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:40,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 272 states and 561 transitions. [2018-11-10 02:37:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 561 transitions. [2018-11-10 02:37:40,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 02:37:40,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 02:37:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 273 states and 562 transitions. [2018-11-10 02:37:41,230 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 562 transitions. [2018-11-10 02:37:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 02:37:41,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 02:37:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 277 states and 571 transitions. [2018-11-10 02:37:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 571 transitions. [2018-11-10 02:37:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 02:37:41,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 02:37:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:42,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 283 states and 581 transitions. [2018-11-10 02:37:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 581 transitions. [2018-11-10 02:37:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 02:37:42,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 02:37:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 281 states and 577 transitions. [2018-11-10 02:37:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 577 transitions. [2018-11-10 02:37:42,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 02:37:42,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 02:37:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 284 states and 579 transitions. [2018-11-10 02:37:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 579 transitions. [2018-11-10 02:37:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 02:37:43,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 02:37:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:43,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 285 states and 580 transitions. [2018-11-10 02:37:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 580 transitions. [2018-11-10 02:37:43,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 02:37:43,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 02:37:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 289 states and 587 transitions. [2018-11-10 02:37:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 587 transitions. [2018-11-10 02:37:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 02:37:43,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 02:37:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 291 states and 590 transitions. [2018-11-10 02:37:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 590 transitions. [2018-11-10 02:37:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 02:37:43,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 02:37:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 292 states and 591 transitions. [2018-11-10 02:37:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 591 transitions. [2018-11-10 02:37:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 02:37:44,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 02:37:44,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 293 states and 592 transitions. [2018-11-10 02:37:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 592 transitions. [2018-11-10 02:37:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 02:37:44,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 02:37:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 288 states and 581 transitions. [2018-11-10 02:37:44,331 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 581 transitions. [2018-11-10 02:37:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 02:37:44,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 02:37:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 283 states and 571 transitions. [2018-11-10 02:37:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 571 transitions. [2018-11-10 02:37:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 02:37:44,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 02:37:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 281 states and 558 transitions. [2018-11-10 02:37:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 558 transitions. [2018-11-10 02:37:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 02:37:46,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 02:37:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:46,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 284 states and 561 transitions. [2018-11-10 02:37:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 561 transitions. [2018-11-10 02:37:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 02:37:46,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 13 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 02:37:46,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 282 states and 550 transitions. [2018-11-10 02:37:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 550 transitions. [2018-11-10 02:37:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 02:37:46,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 02:37:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 283 states and 550 transitions. [2018-11-10 02:37:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 550 transitions. [2018-11-10 02:37:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 02:37:46,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 02:37:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 286 states and 556 transitions. [2018-11-10 02:37:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 556 transitions. [2018-11-10 02:37:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 02:37:47,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:37:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:37:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-10 02:37:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:37:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 116 states and 150 transitions. [2018-11-10 02:37:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions. [2018-11-10 02:37:47,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 02:37:47,899 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2018-11-10 02:37:47,907 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 02:37:48,159 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 02:37:48,164 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 02:37:48,164 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,164 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,165 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,165 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,165 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,165 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-11-10 02:37:48,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:37:48,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 02:37:48 ImpRootNode [2018-11-10 02:37:48,167 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 02:37:48,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:37:48,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:37:48,167 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:37:48,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:37:24" (3/4) ... [2018-11-10 02:37:48,171 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 02:37:48,175 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 02:37:48,175 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 02:37:48,175 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 02:37:48,175 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 02:37:48,175 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 02:37:48,175 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 02:37:48,176 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 02:37:48,176 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 02:37:48,176 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 02:37:48,182 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-11-10 02:37:48,182 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-10 02:37:48,182 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 02:37:48,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-10 02:37:48,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-10 02:37:48,242 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_852be8b4-29bd-4675-a6be-5ec7556de71f/bin-2019/ukojak/witness.graphml [2018-11-10 02:37:48,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:37:48,243 INFO L168 Benchmark]: Toolchain (without parser) took 25148.02 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 598.7 MB). Free memory was 960.3 MB in the beginning and 932.3 MB in the end (delta: 28.0 MB). Peak memory consumption was 626.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:37:48,245 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:37:48,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.48 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 02:37:48,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 933.5 MB in the beginning and 1.2 GB in the end (delta: -223.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 02:37:48,246 INFO L168 Benchmark]: Boogie Preprocessor took 30.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-10 02:37:48,247 INFO L168 Benchmark]: RCFGBuilder took 1132.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:37:48,247 INFO L168 Benchmark]: CodeCheck took 23402.31 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 435.2 MB). Free memory was 1.1 GB in the beginning and 932.3 MB in the end (delta: 118.2 MB). Peak memory consumption was 553.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:37:48,247 INFO L168 Benchmark]: Witness Printer took 75.62 ms. Allocated memory is still 1.6 GB. Free memory was 932.3 MB in the beginning and 932.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-10 02:37:48,249 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 132 locations, 1 error locations. SAFE Result, 23.1s OverallTime, 59 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1477002368 SDtfs, 486588104 SDslu, 1852313088 SDs, 0 SdLazy, 367421256 SolverSat, 1093733476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37085 GetRequests, 36492 SyntacticMatches, 205 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84527 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 3539 NumberOfCodeBlocks, 3539 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 3481 ConstructedInterpolants, 0 QuantifiedInterpolants, 434727 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 41 PerfectInterpolantSequences, 1559/1645 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 317]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.48 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 933.5 MB in the beginning and 1.2 GB in the end (delta: -223.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1132.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. * CodeCheck took 23402.31 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 435.2 MB). Free memory was 1.1 GB in the beginning and 932.3 MB in the end (delta: 118.2 MB). Peak memory consumption was 553.4 MB. Max. memory is 11.5 GB. * Witness Printer took 75.62 ms. Allocated memory is still 1.6 GB. Free memory was 932.3 MB in the beginning and 932.3 MB 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...