./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20_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_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:15:40,500 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:15:40,503 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:15:40,516 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:15:40,517 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:15:40,519 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:15:40,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:15:40,524 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:15:40,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:15:40,529 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:15:40,531 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:15:40,532 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:15:40,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:15:40,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:15:40,543 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:15:40,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:15:40,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:15:40,546 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:15:40,548 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:15:40,549 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:15:40,550 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:15:40,551 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:15:40,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:15:40,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:15:40,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:15:40,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:15:40,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:15:40,557 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:15:40,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:15:40,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:15:40,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:15:40,559 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:15:40,560 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:15:40,560 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:15:40,561 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:15:40,561 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:15:40,562 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:15:40,574 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:15:40,575 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:15:40,576 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:15:40,576 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:15:40,576 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:15:40,576 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:15:40,577 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:15:40,577 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:15:40,577 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:15:40,577 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:15:40,577 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:15:40,577 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:15:40,578 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:15:40,578 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:15:40,578 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:15:40,580 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:15:40,580 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:15:40,580 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:15:40,580 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:15:40,580 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:15:40,581 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:15:40,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:15:40,581 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:15:40,581 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:15:40,581 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:15:40,581 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:15:40,582 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:15:40,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:15:40,582 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_bfab9b08-7f94-4105-ae51-c42e01d704ff/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2018-10-27 00:15:40,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:15:40,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:15:40,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:15:40,643 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:15:40,643 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:15:40,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-10-27 00:15:40,696 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/data/ca161994e/7bafedccd5e74be49544932a3a3e6588/FLAG5370d4004 [2018-10-27 00:15:41,140 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:15:41,141 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-10-27 00:15:41,160 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/data/ca161994e/7bafedccd5e74be49544932a3a3e6588/FLAG5370d4004 [2018-10-27 00:15:41,175 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/data/ca161994e/7bafedccd5e74be49544932a3a3e6588 [2018-10-27 00:15:41,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:15:41,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:15:41,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:15:41,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:15:41,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:15:41,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89c8a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41, skipping insertion in model container [2018-10-27 00:15:41,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:15:41,240 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:15:41,540 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:15:41,557 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:15:41,658 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:15:41,685 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:15:41,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41 WrapperNode [2018-10-27 00:15:41,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:15:41,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:15:41,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:15:41,688 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:15:41,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:15:41,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:15:41,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:15:41,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:15:41,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... [2018-10-27 00:15:41,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:15:41,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:15:41,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:15:41,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:15:41,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:15:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/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 [2018-10-27 00:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-27 00:15:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-27 00:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 00:15:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 00:15:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 00:15:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 00:15:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 00:15:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 00:15:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 00:15:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 00:15:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-27 00:15:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-27 00:15:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 00:15:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 00:15:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:15:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:15:44,451 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:15:44,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:15:44 BoogieIcfgContainer [2018-10-27 00:15:44,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:15:44,453 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:15:44,453 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:15:44,461 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:15:44,462 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:15:44" (1/1) ... [2018-10-27 00:15:44,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:15:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:44,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2018-10-27 00:15:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2018-10-27 00:15:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 00:15:44,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:44,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:44,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2018-10-27 00:15:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2018-10-27 00:15:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 00:15:44,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-10-27 00:15:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-10-27 00:15:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 00:15:45,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-10-27 00:15:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-10-27 00:15:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:15:45,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2018-10-27 00:15:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2018-10-27 00:15:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 00:15:46,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 140 transitions. [2018-10-27 00:15:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 140 transitions. [2018-10-27 00:15:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 00:15:46,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:46,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 93 states and 141 transitions. [2018-10-27 00:15:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2018-10-27 00:15:47,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 00:15:47,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:47,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:47,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 94 states and 142 transitions. [2018-10-27 00:15:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 142 transitions. [2018-10-27 00:15:47,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 00:15:47,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 99 states and 154 transitions. [2018-10-27 00:15:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2018-10-27 00:15:47,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:15:47,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:48,784 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-27 00:15:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 183 transitions. [2018-10-27 00:15:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2018-10-27 00:15:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 00:15:49,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 184 transitions. [2018-10-27 00:15:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 184 transitions. [2018-10-27 00:15:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 00:15:49,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 119 states and 193 transitions. [2018-10-27 00:15:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 193 transitions. [2018-10-27 00:15:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 00:15:50,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 125 states and 204 transitions. [2018-10-27 00:15:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 204 transitions. [2018-10-27 00:15:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:15:50,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 128 states and 209 transitions. [2018-10-27 00:15:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2018-10-27 00:15:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 00:15:50,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 215 transitions. [2018-10-27 00:15:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 215 transitions. [2018-10-27 00:15:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:15:50,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 135 states and 222 transitions. [2018-10-27 00:15:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 222 transitions. [2018-10-27 00:15:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 00:15:51,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:15:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 139 states and 232 transitions. [2018-10-27 00:15:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 232 transitions. [2018-10-27 00:15:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:15:51,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:15:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 147 states and 253 transitions. [2018-10-27 00:15:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 253 transitions. [2018-10-27 00:15:52,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 00:15:52,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:15:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 148 states and 254 transitions. [2018-10-27 00:15:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 254 transitions. [2018-10-27 00:15:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:15:52,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:15:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:53,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 156 states and 269 transitions. [2018-10-27 00:15:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 269 transitions. [2018-10-27 00:15:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 00:15:53,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:15:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 159 states and 275 transitions. [2018-10-27 00:15:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 275 transitions. [2018-10-27 00:15:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:15:54,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:15:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 160 states and 278 transitions. [2018-10-27 00:15:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 278 transitions. [2018-10-27 00:15:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:15:55,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:15:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 164 states and 288 transitions. [2018-10-27 00:15:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 288 transitions. [2018-10-27 00:15:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:15:55,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:15:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 167 states and 293 transitions. [2018-10-27 00:15:56,879 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2018-10-27 00:15:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:15:56,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:15:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 171 states and 300 transitions. [2018-10-27 00:15:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2018-10-27 00:15:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:15:57,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:15:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 180 states and 313 transitions. [2018-10-27 00:15:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 313 transitions. [2018-10-27 00:15:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:15:58,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:58,331 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:15:58,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:15:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 183 states and 315 transitions. [2018-10-27 00:15:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 315 transitions. [2018-10-27 00:15:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 00:15:58,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:15:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:15:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:16:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 201 states and 350 transitions. [2018-10-27 00:16:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 350 transitions. [2018-10-27 00:16:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 00:16:00,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:16:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 202 states and 351 transitions. [2018-10-27 00:16:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 351 transitions. [2018-10-27 00:16:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 00:16:00,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:00,579 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:16:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 205 states and 356 transitions. [2018-10-27 00:16:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 356 transitions. [2018-10-27 00:16:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:16:00,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:00,834 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 00:16:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:01,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 214 states and 377 transitions. [2018-10-27 00:16:01,329 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 377 transitions. [2018-10-27 00:16:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:16:01,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:16:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 216 states and 379 transitions. [2018-10-27 00:16:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 379 transitions. [2018-10-27 00:16:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:16:01,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:16:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 218 states and 381 transitions. [2018-10-27 00:16:02,052 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 381 transitions. [2018-10-27 00:16:02,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 00:16:02,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:16:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 231 states and 413 transitions. [2018-10-27 00:16:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 413 transitions. [2018-10-27 00:16:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 00:16:04,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:16:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 234 states and 418 transitions. [2018-10-27 00:16:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 418 transitions. [2018-10-27 00:16:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:16:04,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:04,943 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:16:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 247 states and 448 transitions. [2018-10-27 00:16:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 448 transitions. [2018-10-27 00:16:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 00:16:05,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:16:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 256 states and 470 transitions. [2018-10-27 00:16:07,148 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 470 transitions. [2018-10-27 00:16:07,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-27 00:16:07,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:16:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:07,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 257 states and 471 transitions. [2018-10-27 00:16:07,385 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 471 transitions. [2018-10-27 00:16:07,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-27 00:16:07,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:16:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 261 states and 470 transitions. [2018-10-27 00:16:07,957 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 470 transitions. [2018-10-27 00:16:07,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:16:07,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:16:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 262 states and 471 transitions. [2018-10-27 00:16:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 471 transitions. [2018-10-27 00:16:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:16:08,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:16:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 263 states and 472 transitions. [2018-10-27 00:16:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 472 transitions. [2018-10-27 00:16:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:16:08,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:16:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 264 states and 473 transitions. [2018-10-27 00:16:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 473 transitions. [2018-10-27 00:16:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 00:16:08,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:16:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:08,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 265 states and 474 transitions. [2018-10-27 00:16:08,618 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 474 transitions. [2018-10-27 00:16:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:16:08,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 00:16:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 268 states and 476 transitions. [2018-10-27 00:16:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 476 transitions. [2018-10-27 00:16:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 00:16:09,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:16:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 271 states and 484 transitions. [2018-10-27 00:16:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 484 transitions. [2018-10-27 00:16:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-27 00:16:11,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:16:12,053 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 00:16:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 276 states and 491 transitions. [2018-10-27 00:16:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 491 transitions. [2018-10-27 00:16:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:16:12,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:16:13,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:13,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 277 states and 496 transitions. [2018-10-27 00:16:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 496 transitions. [2018-10-27 00:16:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:16:13,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:16:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 278 states and 499 transitions. [2018-10-27 00:16:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 499 transitions. [2018-10-27 00:16:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-27 00:16:13,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:16:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 281 states and 502 transitions. [2018-10-27 00:16:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 502 transitions. [2018-10-27 00:16:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 00:16:13,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 00:16:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 282 states and 505 transitions. [2018-10-27 00:16:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 505 transitions. [2018-10-27 00:16:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-27 00:16:15,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:16:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 282 states and 500 transitions. [2018-10-27 00:16:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 500 transitions. [2018-10-27 00:16:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 00:16:15,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 00:16:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 300 states and 533 transitions. [2018-10-27 00:16:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 533 transitions. [2018-10-27 00:16:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 00:16:17,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:16:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 302 states and 535 transitions. [2018-10-27 00:16:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 535 transitions. [2018-10-27 00:16:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 00:16:18,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:16:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 303 states and 536 transitions. [2018-10-27 00:16:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 536 transitions. [2018-10-27 00:16:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 00:16:18,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:16:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 305 states and 538 transitions. [2018-10-27 00:16:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 538 transitions. [2018-10-27 00:16:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-27 00:16:18,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 00:16:18,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 285 states and 499 transitions. [2018-10-27 00:16:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 499 transitions. [2018-10-27 00:16:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-27 00:16:18,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:16:19,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 281 states and 489 transitions. [2018-10-27 00:16:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 489 transitions. [2018-10-27 00:16:19,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-27 00:16:19,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 00:16:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 271 states and 471 transitions. [2018-10-27 00:16:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 471 transitions. [2018-10-27 00:16:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-27 00:16:19,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:16:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 130 states and 179 transitions. [2018-10-27 00:16:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2018-10-27 00:16:19,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:16:19,674 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2018-10-27 00:16:19,682 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:16:20,052 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,054 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,055 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-27 00:16:20,059 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,059 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,059 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,059 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-27 00:16:20,060 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-27 00:16:20,063 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,063 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,063 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,064 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-27 00:16:20,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:16:20,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:16:20 ImpRootNode [2018-10-27 00:16:20,065 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:16:20,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:16:20,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:16:20,065 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:16:20,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:15:44" (3/4) ... [2018-10-27 00:16:20,072 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:16:20,077 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-27 00:16:20,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-27 00:16:20,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 00:16:20,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 00:16:20,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 00:16:20,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 00:16:20,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 00:16:20,085 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-10-27 00:16:20,086 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-27 00:16:20,086 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-27 00:16:20,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-10-27 00:16:20,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) [2018-10-27 00:16:20,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == pumpRunning) && 0 == tmp) || (!(0 == pumpRunning) && !(0 == tmp))) || tmp == methaneLevelCritical) || (0 == tmp && 0 == systemActive) [2018-10-27 00:16:20,178 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bfab9b08-7f94-4105-ae51-c42e01d704ff/bin-2019/ukojak/witness.graphml [2018-10-27 00:16:20,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:16:20,180 INFO L168 Benchmark]: Toolchain (without parser) took 39002.17 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 494.9 MB). Free memory was 953.1 MB in the beginning and 1.4 GB in the end (delta: -402.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:16:20,181 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:16:20,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.35 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:16:20,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:16:20,184 INFO L168 Benchmark]: Boogie Preprocessor took 48.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:16:20,184 INFO L168 Benchmark]: RCFGBuilder took 2535.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:16:20,184 INFO L168 Benchmark]: CodeCheck took 35612.12 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 371.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -357.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:16:20,185 INFO L168 Benchmark]: Witness Printer took 114.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:16:20,188 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, 121 locations, 1 error locations. SAFE Result, 35.1s OverallTime, 59 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 474753056 SDtfs, 511343456 SDslu, -1829765640 SDs, 0 SdLazy, 386789900 SolverSat, -465723160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27301 GetRequests, 26648 SyntacticMatches, 303 SemanticMatches, 350 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58570 ImplicationChecksByTransitivity, 28.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 2732 NumberOfCodeBlocks, 2732 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2674 ConstructedInterpolants, 0 QuantifiedInterpolants, 276256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 41 PerfectInterpolantSequences, 1016/1087 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: 685]: 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: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == pumpRunning) && 0 == tmp) || (!(0 == pumpRunning) && !(0 == tmp))) || tmp == methaneLevelCritical) || (0 == tmp && 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 507.35 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 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 180.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2535.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * CodeCheck took 35612.12 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 371.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -357.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Witness Printer took 114.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...