./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_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_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/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 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:34:26,673 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:34:26,674 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:34:26,683 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:34:26,683 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:34:26,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:34:26,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:34:26,686 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:34:26,687 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:34:26,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:34:26,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:34:26,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:34:26,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:34:26,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:34:26,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:34:26,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:34:26,692 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:34:26,693 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:34:26,695 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:34:26,696 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:34:26,697 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:34:26,698 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:34:26,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:34:26,700 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:34:26,700 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:34:26,701 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:34:26,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:34:26,702 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:34:26,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:34:26,704 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:34:26,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:34:26,704 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:34:26,705 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:34:26,705 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:34:26,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:34:26,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:34:26,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:34:26,717 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:34:26,717 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:34:26,718 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:34:26,718 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:34:26,718 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:34:26,718 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:34:26,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:34:26,719 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:34:26,719 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:34:26,719 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:34:26,719 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:34:26,719 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:34:26,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:34:26,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:34:26,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:34:26,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:34:26,720 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:34:26,720 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:34:26,720 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:34:26,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:34:26,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:34:26,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:34:26,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:34:26,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:34:26,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:34:26,721 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:34:26,721 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:34:26,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:34:26,721 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_40c13449-34a8-4062-b48a-2ed3a55128e3/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 -> 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e [2018-11-10 05:34:26,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:34:26,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:34:26,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:34:26,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:34:26,754 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:34:26,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-10 05:34:26,800 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/data/c3b6d4734/8dc9b2cbe1c44e4baf8d08713a3d2055/FLAGbd316078a [2018-11-10 05:34:27,173 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:34:27,173 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-10 05:34:27,183 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/data/c3b6d4734/8dc9b2cbe1c44e4baf8d08713a3d2055/FLAGbd316078a [2018-11-10 05:34:27,194 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/data/c3b6d4734/8dc9b2cbe1c44e4baf8d08713a3d2055 [2018-11-10 05:34:27,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:34:27,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:34:27,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:34:27,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:34:27,201 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:34:27,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c04b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27, skipping insertion in model container [2018-11-10 05:34:27,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:34:27,241 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:34:27,423 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:34:27,431 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:34:27,484 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:34:27,499 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:34:27,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27 WrapperNode [2018-11-10 05:34:27,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:34:27,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:34:27,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:34:27,500 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:34:27,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:34:27,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:34:27,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:34:27,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:34:27,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... [2018-11-10 05:34:27,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:34:27,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:34:27,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:34:27,593 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:34:27,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:34:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/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 05:34:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:34:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 05:34:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 05:34:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 05:34:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 05:34:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 05:34:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 05:34:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 05:34:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 05:34:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 05:34:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 05:34:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 05:34:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 05:34:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 05:34:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 05:34:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:34:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:34:28,619 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:34:28,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:34:28 BoogieIcfgContainer [2018-11-10 05:34:28,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:34:28,620 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:34:28,620 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:34:28,627 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:34:28,627 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:34:28" (1/1) ... [2018-11-10 05:34:28,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:34:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2018-11-10 05:34:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2018-11-10 05:34:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 05:34:28,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:28,803 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 05:34:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2018-11-10 05:34:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2018-11-10 05:34:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 05:34:28,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:28,887 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 05:34:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:28,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-11-10 05:34:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-11-10 05:34:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 05:34:28,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:29,024 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 05:34:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-11-10 05:34:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-11-10 05:34:29,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 05:34:29,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:29,107 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 05:34:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2018-11-10 05:34:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2018-11-10 05:34:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:34:29,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:29,284 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 05:34:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:29,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2018-11-10 05:34:29,294 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2018-11-10 05:34:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 05:34:29,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:29,382 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 05:34:29,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:29,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 93 states and 141 transitions. [2018-11-10 05:34:29,663 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2018-11-10 05:34:29,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:34:29,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:29,693 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 05:34:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 94 states and 142 transitions. [2018-11-10 05:34:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 142 transitions. [2018-11-10 05:34:29,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 05:34:29,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:29,732 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 05:34:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 100 states and 155 transitions. [2018-11-10 05:34:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2018-11-10 05:34:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 05:34:29,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:29,847 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 05:34:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:30,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 184 transitions. [2018-11-10 05:34:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 184 transitions. [2018-11-10 05:34:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 05:34:30,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:30,251 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 05:34:30,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:30,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2018-11-10 05:34:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2018-11-10 05:34:30,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 05:34:30,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:30,437 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 05:34:30,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:30,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 125 states and 207 transitions. [2018-11-10 05:34:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2018-11-10 05:34:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 05:34:30,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:30,715 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 05:34:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 131 states and 218 transitions. [2018-11-10 05:34:30,801 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2018-11-10 05:34:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 05:34:30,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:30,829 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 05:34:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 133 states and 220 transitions. [2018-11-10 05:34:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2018-11-10 05:34:30,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 05:34:30,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:30,878 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 05:34:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 227 transitions. [2018-11-10 05:34:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2018-11-10 05:34:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 05:34:31,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:31,039 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 05:34:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 139 states and 232 transitions. [2018-11-10 05:34:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 232 transitions. [2018-11-10 05:34:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 05:34:31,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:31,105 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 05:34:31,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 150 states and 258 transitions. [2018-11-10 05:34:31,525 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 258 transitions. [2018-11-10 05:34:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 05:34:31,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:31,547 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 05:34:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 151 states and 260 transitions. [2018-11-10 05:34:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 260 transitions. [2018-11-10 05:34:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 05:34:31,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:31,862 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 05:34:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 159 states and 275 transitions. [2018-11-10 05:34:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 275 transitions. [2018-11-10 05:34:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 05:34:32,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:32,552 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 05:34:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 160 states and 278 transitions. [2018-11-10 05:34:32,711 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 278 transitions. [2018-11-10 05:34:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 05:34:32,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:32,735 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 05:34:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:33,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 167 states and 293 transitions. [2018-11-10 05:34:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2018-11-10 05:34:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 05:34:33,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:33,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 05:34:33,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:33,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 170 states and 298 transitions. [2018-11-10 05:34:33,785 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 298 transitions. [2018-11-10 05:34:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 05:34:33,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:33,808 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 05:34:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 171 states and 300 transitions. [2018-11-10 05:34:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2018-11-10 05:34:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 05:34:33,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:33,862 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 05:34:34,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 180 states and 313 transitions. [2018-11-10 05:34:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 313 transitions. [2018-11-10 05:34:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 05:34:34,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:34,050 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 05:34:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 183 states and 315 transitions. [2018-11-10 05:34:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 315 transitions. [2018-11-10 05:34:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 05:34:34,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:34:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 201 states and 350 transitions. [2018-11-10 05:34:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 350 transitions. [2018-11-10 05:34:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 05:34:35,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:34:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 204 states and 355 transitions. [2018-11-10 05:34:35,707 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 355 transitions. [2018-11-10 05:34:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 05:34:35,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 05:34:36,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 213 states and 376 transitions. [2018-11-10 05:34:36,066 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 376 transitions. [2018-11-10 05:34:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 05:34:36,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 05:34:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 216 states and 378 transitions. [2018-11-10 05:34:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 378 transitions. [2018-11-10 05:34:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 05:34:36,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:34:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 231 states and 411 transitions. [2018-11-10 05:34:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 411 transitions. [2018-11-10 05:34:37,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 05:34:37,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:37,415 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 05:34:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 232 states and 412 transitions. [2018-11-10 05:34:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 412 transitions. [2018-11-10 05:34:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 05:34:37,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:34:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 245 states and 446 transitions. [2018-11-10 05:34:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 446 transitions. [2018-11-10 05:34:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 05:34:38,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:34:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 248 states and 449 transitions. [2018-11-10 05:34:38,794 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 449 transitions. [2018-11-10 05:34:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 05:34:38,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:38,831 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 05:34:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 268 states and 492 transitions. [2018-11-10 05:34:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 492 transitions. [2018-11-10 05:34:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 05:34:40,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:40,398 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 05:34:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:40,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 271 states and 495 transitions. [2018-11-10 05:34:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 495 transitions. [2018-11-10 05:34:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 05:34:40,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:34:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 272 states and 496 transitions. [2018-11-10 05:34:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 496 transitions. [2018-11-10 05:34:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 05:34:40,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:34:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 273 states and 497 transitions. [2018-11-10 05:34:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 497 transitions. [2018-11-10 05:34:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 05:34:40,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:40,620 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 05:34:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 274 states and 501 transitions. [2018-11-10 05:34:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 501 transitions. [2018-11-10 05:34:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 05:34:40,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:34:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:41,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 275 states and 503 transitions. [2018-11-10 05:34:41,167 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 503 transitions. [2018-11-10 05:34:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 05:34:41,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 05:34:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:41,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 276 states and 504 transitions. [2018-11-10 05:34:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 504 transitions. [2018-11-10 05:34:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 05:34:41,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:34:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 280 states and 503 transitions. [2018-11-10 05:34:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 503 transitions. [2018-11-10 05:34:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 05:34:41,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:41,773 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 05:34:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 285 states and 510 transitions. [2018-11-10 05:34:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 510 transitions. [2018-11-10 05:34:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 05:34:41,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:41,893 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 05:34:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 286 states and 515 transitions. [2018-11-10 05:34:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 515 transitions. [2018-11-10 05:34:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 05:34:42,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:42,184 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 05:34:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 287 states and 518 transitions. [2018-11-10 05:34:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 518 transitions. [2018-11-10 05:34:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 05:34:42,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:42,485 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 05:34:43,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 288 states and 521 transitions. [2018-11-10 05:34:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 521 transitions. [2018-11-10 05:34:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 05:34:43,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:34:43,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:43,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 287 states and 515 transitions. [2018-11-10 05:34:43,409 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 515 transitions. [2018-11-10 05:34:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 05:34:43,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:43,422 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 05:34:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 288 states and 516 transitions. [2018-11-10 05:34:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 516 transitions. [2018-11-10 05:34:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 05:34:43,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:43,451 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 05:34:43,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 291 states and 519 transitions. [2018-11-10 05:34:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 519 transitions. [2018-11-10 05:34:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 05:34:43,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 05:34:45,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 308 states and 547 transitions. [2018-11-10 05:34:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 547 transitions. [2018-11-10 05:34:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 05:34:45,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:45,144 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 05:34:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 310 states and 549 transitions. [2018-11-10 05:34:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 549 transitions. [2018-11-10 05:34:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 05:34:45,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:34:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 311 states and 550 transitions. [2018-11-10 05:34:45,229 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 550 transitions. [2018-11-10 05:34:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 05:34:45,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:45,243 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 05:34:45,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 313 states and 552 transitions. [2018-11-10 05:34:45,288 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 552 transitions. [2018-11-10 05:34:45,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 05:34:45,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:45,309 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 05:34:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 293 states and 513 transitions. [2018-11-10 05:34:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 513 transitions. [2018-11-10 05:34:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 05:34:45,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 05:34:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 289 states and 503 transitions. [2018-11-10 05:34:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 503 transitions. [2018-11-10 05:34:45,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 05:34:45,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 05:34:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:45,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 279 states and 485 transitions. [2018-11-10 05:34:45,436 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 485 transitions. [2018-11-10 05:34:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 05:34:45,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:34:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:34:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-10 05:34:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:34:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 131 states and 181 transitions. [2018-11-10 05:34:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 181 transitions. [2018-11-10 05:34:45,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:34:45,741 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-11-10 05:34:45,746 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:34:46,010 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,012 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,012 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 05:34:46,016 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,016 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,016 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,016 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,016 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,016 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,016 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 05:34:46,017 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 05:34:46,017 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,017 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 05:34:46,018 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,018 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,018 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:34:46,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:34:46 ImpRootNode [2018-11-10 05:34:46,019 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:34:46,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:34:46,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:34:46,019 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:34:46,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:34:28" (3/4) ... [2018-11-10 05:34:46,023 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:34:46,028 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 05:34:46,028 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 05:34:46,028 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 05:34:46,028 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 05:34:46,028 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 05:34:46,028 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 05:34:46,029 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 05:34:46,034 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-11-10 05:34:46,035 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 05:34:46,035 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 05:34:46,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || \old(pumpRunning) == pumpRunning) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-10 05:34:46,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning) [2018-11-10 05:34:46,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == pumpRunning) && !(0 == tmp)) || (!(\old(pumpRunning) == pumpRunning) && 0 == tmp)) || tmp == methaneLevelCritical) || (systemActive == 0 && 0 == tmp) [2018-11-10 05:34:46,096 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_40c13449-34a8-4062-b48a-2ed3a55128e3/bin-2019/ukojak/witness.graphml [2018-11-10 05:34:46,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:34:46,097 INFO L168 Benchmark]: Toolchain (without parser) took 18899.65 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 476.1 MB). Free memory was 958.1 MB in the beginning and 969.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 464.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:46,098 INFO L168 Benchmark]: CDTParser took 0.10 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 05:34:46,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.64 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 928.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:46,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 928.6 MB in the beginning and 1.2 GB in the end (delta: -240.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:46,098 INFO L168 Benchmark]: Boogie Preprocessor took 19.29 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:46,098 INFO L168 Benchmark]: RCFGBuilder took 1027.45 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: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:46,099 INFO L168 Benchmark]: CodeCheck took 17398.58 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 304.1 MB). Free memory was 1.1 GB in the beginning and 981.5 MB in the end (delta: 84.1 MB). Peak memory consumption was 388.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:46,099 INFO L168 Benchmark]: Witness Printer took 76.89 ms. Allocated memory is still 1.5 GB. Free memory was 981.5 MB in the beginning and 969.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:34:46,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 122 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1482835488 SDtfs, -763385248 SDslu, -1206295048 SDs, 0 SdLazy, -1493038068 SolverSat, 1369712616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26535 GetRequests, 25858 SyntacticMatches, 305 SemanticMatches, 372 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67642 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2633 NumberOfCodeBlocks, 2633 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2578 ConstructedInterpolants, 0 QuantifiedInterpolants, 264991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 41 PerfectInterpolantSequences, 1038/1106 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: 82]: 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: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || \old(pumpRunning) == pumpRunning) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((!(0 == pumpRunning) && !(0 == tmp)) || (!(\old(pumpRunning) == pumpRunning) && 0 == tmp)) || tmp == methaneLevelCritical) || (systemActive == 0 && 0 == tmp) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.64 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 928.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 928.6 MB in the beginning and 1.2 GB in the end (delta: -240.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.29 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1027.45 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: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. * CodeCheck took 17398.58 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 304.1 MB). Free memory was 1.1 GB in the beginning and 981.5 MB in the end (delta: 84.1 MB). Peak memory consumption was 388.2 MB. Max. memory is 11.5 GB. * Witness Printer took 76.89 ms. Allocated memory is still 1.5 GB. Free memory was 981.5 MB in the beginning and 969.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...