./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/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 f73634e342cf3e7f84044af175d79019321da0bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:28:33,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:28:33,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:28:33,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:28:33,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:28:33,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:28:33,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:28:33,970 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:28:33,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:28:33,972 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:28:33,973 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:28:33,973 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:28:33,973 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:28:33,974 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:28:33,975 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:28:33,976 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:28:33,976 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:28:33,977 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:28:33,979 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:28:33,980 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:28:33,981 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:28:33,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:28:33,983 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:28:33,984 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:28:33,984 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:28:33,984 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:28:33,985 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:28:33,986 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:28:33,986 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:28:33,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:28:33,987 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:28:33,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:28:33,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:28:33,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:28:33,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:28:33,989 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:28:33,989 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 11:28:34,000 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:28:34,000 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:28:34,000 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:28:34,000 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 11:28:34,001 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:28:34,001 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:28:34,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:28:34,001 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:28:34,002 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:28:34,003 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:28:34,003 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:28:34,003 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:28:34,003 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:28:34,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:28:34,003 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:28:34,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:28:34,003 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:28:34,003 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 11:28:34,003 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:28:34,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:28:34,004 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_5b122f3c-401a-479f-ad06-bed61533b5a9/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 -> f73634e342cf3e7f84044af175d79019321da0bc [2018-12-08 11:28:34,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:28:34,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:28:34,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:28:34,040 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:28:34,040 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:28:34,041 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-12-08 11:28:34,082 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/data/c900c22ee/e03360d33a68438cb4bbe1cffb1646f0/FLAG16853aec0 [2018-12-08 11:28:34,421 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:28:34,422 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-12-08 11:28:34,428 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/data/c900c22ee/e03360d33a68438cb4bbe1cffb1646f0/FLAG16853aec0 [2018-12-08 11:28:34,436 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/data/c900c22ee/e03360d33a68438cb4bbe1cffb1646f0 [2018-12-08 11:28:34,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:28:34,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:28:34,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:28:34,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:28:34,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:28:34,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34, skipping insertion in model container [2018-12-08 11:28:34,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:28:34,474 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:28:34,630 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:28:34,676 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:28:34,725 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:28:34,741 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:28:34,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34 WrapperNode [2018-12-08 11:28:34,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:28:34,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:28:34,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:28:34,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:28:34,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:28:34,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:28:34,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:28:34,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:28:34,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... [2018-12-08 11:28:34,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:28:34,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:28:34,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:28:34,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:28:34,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:28:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/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 [2018-12-08 11:28:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:28:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 11:28:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 11:28:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 11:28:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 11:28:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 11:28:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 11:28:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 11:28:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 11:28:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:28:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:28:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 11:28:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 11:28:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 11:28:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 11:28:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 11:28:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:28:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:28:35,166 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:28:35,167 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-12-08 11:28:35,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:28:35 BoogieIcfgContainer [2018-12-08 11:28:35,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:28:35,167 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:28:35,167 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:28:35,173 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:28:35,174 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:28:35" (1/1) ... [2018-12-08 11:28:35,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:28:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2018-12-08 11:28:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2018-12-08 11:28:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 11:28:35,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-12-08 11:28:35,326 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-12-08 11:28:35,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 11:28:35,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-12-08 11:28:35,401 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-12-08 11:28:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:28:35,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:35,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-12-08 11:28:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-12-08 11:28:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 11:28:35,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2018-12-08 11:28:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-12-08 11:28:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:28:35,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:35,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:35,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2018-12-08 11:28:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2018-12-08 11:28:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:28:35,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2018-12-08 11:28:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2018-12-08 11:28:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 11:28:35,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2018-12-08 11:28:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2018-12-08 11:28:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 11:28:35,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:36,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 159 transitions. [2018-12-08 11:28:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2018-12-08 11:28:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 11:28:36,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:36,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 183 transitions. [2018-12-08 11:28:36,956 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2018-12-08 11:28:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 11:28:36,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2018-12-08 11:28:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2018-12-08 11:28:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 11:28:37,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:28:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 197 transitions. [2018-12-08 11:28:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 197 transitions. [2018-12-08 11:28:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 11:28:37,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2018-12-08 11:28:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2018-12-08 11:28:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 11:28:37,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:37,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:37,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 214 transitions. [2018-12-08 11:28:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2018-12-08 11:28:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 11:28:37,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 210 transitions. [2018-12-08 11:28:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2018-12-08 11:28:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 11:28:37,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:28:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 228 transitions. [2018-12-08 11:28:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2018-12-08 11:28:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 11:28:38,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 138 states and 246 transitions. [2018-12-08 11:28:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 246 transitions. [2018-12-08 11:28:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 11:28:38,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:38,548 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 140 states and 250 transitions. [2018-12-08 11:28:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2018-12-08 11:28:38,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 11:28:38,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 11:28:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 265 transitions. [2018-12-08 11:28:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 265 transitions. [2018-12-08 11:28:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 11:28:38,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 150 states and 266 transitions. [2018-12-08 11:28:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2018-12-08 11:28:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 11:28:39,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 11:28:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 267 transitions. [2018-12-08 11:28:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2018-12-08 11:28:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 11:28:39,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 11:28:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 152 states and 268 transitions. [2018-12-08 11:28:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 268 transitions. [2018-12-08 11:28:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 11:28:39,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:28:39,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 297 transitions. [2018-12-08 11:28:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 297 transitions. [2018-12-08 11:28:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 11:28:39,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 11:28:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 181 states and 343 transitions. [2018-12-08 11:28:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 343 transitions. [2018-12-08 11:28:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 11:28:42,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:28:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 188 states and 372 transitions. [2018-12-08 11:28:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 372 transitions. [2018-12-08 11:28:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 11:28:42,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:28:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 189 states and 373 transitions. [2018-12-08 11:28:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 373 transitions. [2018-12-08 11:28:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 11:28:42,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:28:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 199 states and 401 transitions. [2018-12-08 11:28:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 401 transitions. [2018-12-08 11:28:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 11:28:44,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:28:44,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 200 states and 402 transitions. [2018-12-08 11:28:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 402 transitions. [2018-12-08 11:28:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 11:28:44,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:28:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 203 states and 407 transitions. [2018-12-08 11:28:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 407 transitions. [2018-12-08 11:28:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 11:28:44,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:28:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 205 states and 408 transitions. [2018-12-08 11:28:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 408 transitions. [2018-12-08 11:28:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 11:28:44,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 11:28:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 213 states and 445 transitions. [2018-12-08 11:28:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 445 transitions. [2018-12-08 11:28:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 11:28:45,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 11:28:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 215 states and 449 transitions. [2018-12-08 11:28:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 449 transitions. [2018-12-08 11:28:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 11:28:45,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:28:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 216 states and 450 transitions. [2018-12-08 11:28:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 450 transitions. [2018-12-08 11:28:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 11:28:45,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 11:28:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 217 states and 451 transitions. [2018-12-08 11:28:45,542 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 451 transitions. [2018-12-08 11:28:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 11:28:45,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 11:28:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 222 states and 465 transitions. [2018-12-08 11:28:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 465 transitions. [2018-12-08 11:28:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 11:28:45,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 11:28:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 225 states and 470 transitions. [2018-12-08 11:28:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 470 transitions. [2018-12-08 11:28:45,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 11:28:45,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 11:28:45,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 226 states and 471 transitions. [2018-12-08 11:28:45,978 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 471 transitions. [2018-12-08 11:28:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 11:28:45,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 11:28:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 227 states and 472 transitions. [2018-12-08 11:28:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 472 transitions. [2018-12-08 11:28:46,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 11:28:46,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 11:28:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 231 states and 481 transitions. [2018-12-08 11:28:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 481 transitions. [2018-12-08 11:28:46,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 11:28:46,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 11:28:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 229 states and 477 transitions. [2018-12-08 11:28:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 477 transitions. [2018-12-08 11:28:46,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 11:28:46,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 11:28:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:46,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 230 states and 479 transitions. [2018-12-08 11:28:46,730 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 479 transitions. [2018-12-08 11:28:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 11:28:46,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 11:28:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:46,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 232 states and 483 transitions. [2018-12-08 11:28:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 483 transitions. [2018-12-08 11:28:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 11:28:46,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 11:28:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 234 states and 486 transitions. [2018-12-08 11:28:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 486 transitions. [2018-12-08 11:28:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 11:28:47,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 11:28:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 236 states and 489 transitions. [2018-12-08 11:28:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 489 transitions. [2018-12-08 11:28:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 11:28:47,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 11:28:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 227 states and 463 transitions. [2018-12-08 11:28:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 463 transitions. [2018-12-08 11:28:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 11:28:47,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 11:28:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 228 states and 464 transitions. [2018-12-08 11:28:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 464 transitions. [2018-12-08 11:28:47,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 11:28:47,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 11:28:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 229 states and 465 transitions. [2018-12-08 11:28:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 465 transitions. [2018-12-08 11:28:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 11:28:47,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 11:28:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 224 states and 455 transitions. [2018-12-08 11:28:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 455 transitions. [2018-12-08 11:28:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 11:28:47,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-08 11:28:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 226 states and 456 transitions. [2018-12-08 11:28:47,667 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 456 transitions. [2018-12-08 11:28:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 11:28:47,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 11:28:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:47,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 228 states and 457 transitions. [2018-12-08 11:28:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 457 transitions. [2018-12-08 11:28:47,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 11:28:47,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 11:28:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 223 states and 445 transitions. [2018-12-08 11:28:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 445 transitions. [2018-12-08 11:28:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 11:28:47,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:47,962 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 11:28:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 221 states and 438 transitions. [2018-12-08 11:28:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 438 transitions. [2018-12-08 11:28:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 11:28:48,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:48,185 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 11:28:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 223 states and 439 transitions. [2018-12-08 11:28:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 439 transitions. [2018-12-08 11:28:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 11:28:48,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 11:28:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 221 states and 431 transitions. [2018-12-08 11:28:48,658 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 431 transitions. [2018-12-08 11:28:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 11:28:48,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 11:28:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:48,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 223 states and 433 transitions. [2018-12-08 11:28:48,913 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 433 transitions. [2018-12-08 11:28:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 11:28:48,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:28:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:28:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 11:28:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:28:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 82 states and 109 transitions. [2018-12-08 11:28:49,131 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2018-12-08 11:28:49,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:28:49,131 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-12-08 11:28:49,138 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 11:28:49,358 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-08 11:28:49,363 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,363 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,363 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,363 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 11:28:49,364 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,364 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,364 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,364 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,364 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,364 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:28:49,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:28:49 ImpRootNode [2018-12-08 11:28:49,364 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 11:28:49,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:28:49,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:28:49,364 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:28:49,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:28:35" (3/4) ... [2018-12-08 11:28:49,367 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:28:49,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 11:28:49,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 11:28:49,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 11:28:49,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 11:28:49,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 11:28:49,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 11:28:49,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 11:28:49,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-08 11:28:49,377 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 11:28:49,377 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 11:28:49,377 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 11:28:49,377 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 11:28:49,378 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 11:28:49,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning)) || 0 == systemActive [2018-12-08 11:28:49,418 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b122f3c-401a-479f-ad06-bed61533b5a9/bin-2019/ukojak/witness.graphml [2018-12-08 11:28:49,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:28:49,419 INFO L168 Benchmark]: Toolchain (without parser) took 14980.92 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 512.8 MB). Free memory was 957.1 MB in the beginning and 1.3 GB in the end (delta: -392.2 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. [2018-12-08 11:28:49,420 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:28:49,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:28:49,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:28:49,421 INFO L168 Benchmark]: Boogie Preprocessor took 17.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:28:49,421 INFO L168 Benchmark]: RCFGBuilder took 377.48 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-12-08 11:28:49,421 INFO L168 Benchmark]: CodeCheck took 14196.98 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 361.8 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -299.5 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2018-12-08 11:28:49,421 INFO L168 Benchmark]: Witness Printer took 53.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:28:49,423 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, 70 locations, 1 error locations. SAFE Result, 13.9s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1395917952 SDtfs, -1008420856 SDslu, -573005096 SDs, 0 SdLazy, -831964114 SolverSat, -349828766 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29928 GetRequests, 29450 SyntacticMatches, 158 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47813 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2750 NumberOfCodeBlocks, 2750 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2695 ConstructedInterpolants, 0 QuantifiedInterpolants, 277702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 40 PerfectInterpolantSequences, 1293/1362 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: 113]: 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: 132]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 377.48 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 14196.98 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 361.8 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -299.5 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * Witness Printer took 53.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...