./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:50:38,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:50:38,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:50:38,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:50:38,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:50:38,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:50:38,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:50:38,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:50:38,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:50:38,875 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:50:38,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:50:38,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:50:38,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:50:38,885 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:50:38,886 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:50:38,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:50:38,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:50:38,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:50:38,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:50:38,894 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:50:38,894 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:50:38,895 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:50:38,900 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:50:38,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:50:38,901 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:50:38,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:50:38,903 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:50:38,903 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:50:38,904 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:50:38,904 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:50:38,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:50:38,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:50:38,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:50:38,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:50:38,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:50:38,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:50:38,910 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:50:38,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:50:38,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:50:38,929 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:50:38,930 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:50:38,930 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:50:38,930 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:50:38,931 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:50:38,931 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:50:38,931 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:50:38,931 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:50:38,931 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:50:38,931 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:50:38,931 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:50:38,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:50:38,932 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:50:38,932 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:50:38,932 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:50:38,932 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:50:38,932 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:50:38,932 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:50:38,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:50:38,933 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:50:38,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:50:38,933 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:50:38,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:50:38,933 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:50:38,933 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:50:38,933 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:50:38,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:50:38,934 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_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e [2018-11-18 12:50:38,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:50:38,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:50:38,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:50:38,973 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:50:38,973 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:50:38,974 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-18 12:50:39,019 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/data/6155d00ac/f4b2653cc4a8498987b87e72ffb4163d/FLAGfa8fb36b1 [2018-11-18 12:50:39,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:50:39,409 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-18 12:50:39,420 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/data/6155d00ac/f4b2653cc4a8498987b87e72ffb4163d/FLAGfa8fb36b1 [2018-11-18 12:50:39,431 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/data/6155d00ac/f4b2653cc4a8498987b87e72ffb4163d [2018-11-18 12:50:39,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:50:39,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:50:39,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:50:39,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:50:39,439 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:50:39,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:39,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d1e80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39, skipping insertion in model container [2018-11-18 12:50:39,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:39,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:50:39,484 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:50:39,782 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:50:39,802 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:50:39,949 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:50:39,968 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:50:39,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39 WrapperNode [2018-11-18 12:50:39,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:50:39,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:50:39,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:50:39,969 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:50:39,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:39,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:40,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:50:40,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:50:40,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:50:40,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:50:40,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:40,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:40,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:40,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:40,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:40,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:40,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... [2018-11-18 12:50:40,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:50:40,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:50:40,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:50:40,051 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:50:40,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:50:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:50:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:50:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:50:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:50:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:50:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:50:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:50:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:50:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:50:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:50:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:50:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:50:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:50:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:50:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:50:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:50:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:50:41,216 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:50:41,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:50:41 BoogieIcfgContainer [2018-11-18 12:50:41,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:50:41,217 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:50:41,217 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:50:41,224 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:50:41,224 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:50:41" (1/1) ... [2018-11-18 12:50:41,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2018-11-18 12:50:41,257 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2018-11-18 12:50:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:50:41,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2018-11-18 12:50:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2018-11-18 12:50:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:50:41,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-11-18 12:50:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-11-18 12:50:41,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:50:41,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:41,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-11-18 12:50:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-11-18 12:50:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:50:41,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2018-11-18 12:50:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2018-11-18 12:50:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:50:42,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2018-11-18 12:50:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2018-11-18 12:50:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:50:42,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2018-11-18 12:50:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2018-11-18 12:50:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:50:42,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 94 states and 142 transitions. [2018-11-18 12:50:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 142 transitions. [2018-11-18 12:50:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:50:43,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 100 states and 155 transitions. [2018-11-18 12:50:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2018-11-18 12:50:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:50:43,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:44,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 181 transitions. [2018-11-18 12:50:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2018-11-18 12:50:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:50:44,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 188 transitions. [2018-11-18 12:50:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 188 transitions. [2018-11-18 12:50:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:50:45,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 116 states and 189 transitions. [2018-11-18 12:50:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 189 transitions. [2018-11-18 12:50:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:50:45,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 215 transitions. [2018-11-18 12:50:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 215 transitions. [2018-11-18 12:50:45,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 12:50:45,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 216 transitions. [2018-11-18 12:50:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2018-11-18 12:50:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:50:46,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 226 transitions. [2018-11-18 12:50:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2018-11-18 12:50:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:50:46,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 228 transitions. [2018-11-18 12:50:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2018-11-18 12:50:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:50:46,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 229 transitions. [2018-11-18 12:50:46,551 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2018-11-18 12:50:46,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 12:50:46,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:50:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 146 states and 250 transitions. [2018-11-18 12:50:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 250 transitions. [2018-11-18 12:50:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 12:50:46,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:50:47,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 150 states and 257 transitions. [2018-11-18 12:50:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 257 transitions. [2018-11-18 12:50:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:50:47,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:50:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 148 states and 253 transitions. [2018-11-18 12:50:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 253 transitions. [2018-11-18 12:50:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:50:47,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:50:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 156 states and 268 transitions. [2018-11-18 12:50:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 268 transitions. [2018-11-18 12:50:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 12:50:48,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:50:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:49,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 162 states and 281 transitions. [2018-11-18 12:50:49,596 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 281 transitions. [2018-11-18 12:50:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:50:49,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:50:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 163 states and 283 transitions. [2018-11-18 12:50:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 283 transitions. [2018-11-18 12:50:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 12:50:49,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:50:49,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 172 states and 296 transitions. [2018-11-18 12:50:49,857 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 296 transitions. [2018-11-18 12:50:49,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 12:50:49,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:50:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 175 states and 298 transitions. [2018-11-18 12:50:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 298 transitions. [2018-11-18 12:50:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:50:50,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:50:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 186 states and 333 transitions. [2018-11-18 12:50:51,304 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 333 transitions. [2018-11-18 12:50:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:50:51,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:50:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 187 states and 334 transitions. [2018-11-18 12:50:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 334 transitions. [2018-11-18 12:50:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:50:51,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:50:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 197 states and 351 transitions. [2018-11-18 12:50:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 351 transitions. [2018-11-18 12:50:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:50:52,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:50:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 206 states and 372 transitions. [2018-11-18 12:50:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 372 transitions. [2018-11-18 12:50:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:50:52,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:50:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 209 states and 374 transitions. [2018-11-18 12:50:52,629 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 374 transitions. [2018-11-18 12:50:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:50:52,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:50:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 224 states and 408 transitions. [2018-11-18 12:50:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 408 transitions. [2018-11-18 12:50:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:50:53,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:50:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 244 states and 455 transitions. [2018-11-18 12:50:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 455 transitions. [2018-11-18 12:50:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 12:50:55,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:50:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:56,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 255 states and 472 transitions. [2018-11-18 12:50:56,412 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 472 transitions. [2018-11-18 12:50:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 12:50:56,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:50:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 258 states and 475 transitions. [2018-11-18 12:50:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 475 transitions. [2018-11-18 12:50:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:50:56,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:50:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 476 transitions. [2018-11-18 12:50:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 476 transitions. [2018-11-18 12:50:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 12:50:56,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:50:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 262 states and 479 transitions. [2018-11-18 12:50:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 479 transitions. [2018-11-18 12:50:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:50:57,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:50:57,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 264 states and 484 transitions. [2018-11-18 12:50:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 484 transitions. [2018-11-18 12:50:57,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:50:57,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 12:50:57,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 266 states and 485 transitions. [2018-11-18 12:50:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 485 transitions. [2018-11-18 12:50:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:50:57,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:50:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 269 states and 491 transitions. [2018-11-18 12:50:58,084 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 491 transitions. [2018-11-18 12:50:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:50:58,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:50:58,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 270 states and 492 transitions. [2018-11-18 12:50:58,114 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 492 transitions. [2018-11-18 12:50:58,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:50:58,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:50:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 271 states and 494 transitions. [2018-11-18 12:50:58,918 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 494 transitions. [2018-11-18 12:50:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:50:58,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:50:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 279 states and 506 transitions. [2018-11-18 12:50:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 506 transitions. [2018-11-18 12:50:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:50:59,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:51:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 282 states and 508 transitions. [2018-11-18 12:51:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 508 transitions. [2018-11-18 12:51:00,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:51:00,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:51:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:00,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 283 states and 509 transitions. [2018-11-18 12:51:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 509 transitions. [2018-11-18 12:51:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 12:51:00,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:51:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 288 states and 516 transitions. [2018-11-18 12:51:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 516 transitions. [2018-11-18 12:51:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:51:00,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:51:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 289 states and 519 transitions. [2018-11-18 12:51:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 519 transitions. [2018-11-18 12:51:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:51:00,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:51:01,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:01,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 290 states and 525 transitions. [2018-11-18 12:51:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 525 transitions. [2018-11-18 12:51:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:51:01,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:51:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 288 states and 520 transitions. [2018-11-18 12:51:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 520 transitions. [2018-11-18 12:51:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:51:01,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:51:01,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:01,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 289 states and 522 transitions. [2018-11-18 12:51:01,871 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 522 transitions. [2018-11-18 12:51:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 12:51:01,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:51:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 290 states and 520 transitions. [2018-11-18 12:51:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 520 transitions. [2018-11-18 12:51:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:51:02,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:51:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 291 states and 521 transitions. [2018-11-18 12:51:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 521 transitions. [2018-11-18 12:51:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:51:02,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:51:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 294 states and 525 transitions. [2018-11-18 12:51:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 525 transitions. [2018-11-18 12:51:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:51:02,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:51:02,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 296 states and 527 transitions. [2018-11-18 12:51:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 527 transitions. [2018-11-18 12:51:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:51:02,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:51:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 298 states and 529 transitions. [2018-11-18 12:51:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 529 transitions. [2018-11-18 12:51:02,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 12:51:02,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:51:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 299 states and 530 transitions. [2018-11-18 12:51:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 530 transitions. [2018-11-18 12:51:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 12:51:02,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:51:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 283 states and 498 transitions. [2018-11-18 12:51:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 498 transitions. [2018-11-18 12:51:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:51:02,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 12:51:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 285 states and 501 transitions. [2018-11-18 12:51:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 501 transitions. [2018-11-18 12:51:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 12:51:02,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 12:51:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 286 states and 502 transitions. [2018-11-18 12:51:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 502 transitions. [2018-11-18 12:51:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 12:51:02,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 12:51:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 273 states and 479 transitions. [2018-11-18 12:51:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 479 transitions. [2018-11-18 12:51:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 12:51:02,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:51:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 279 states and 487 transitions. [2018-11-18 12:51:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 487 transitions. [2018-11-18 12:51:03,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 12:51:03,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:51:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 282 states and 489 transitions. [2018-11-18 12:51:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 489 transitions. [2018-11-18 12:51:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:51:03,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:51:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 12:51:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:51:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 140 states and 194 transitions. [2018-11-18 12:51:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2018-11-18 12:51:04,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:51:04,389 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 62 iterations. [2018-11-18 12:51:04,396 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:51:04,710 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,713 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,713 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 12:51:04,715 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,716 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,716 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,716 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,716 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,716 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,716 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-18 12:51:04,716 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-18 12:51:04,717 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,717 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 12:51:04,718 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,718 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,718 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:51:04,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:51:04 ImpRootNode [2018-11-18 12:51:04,718 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:51:04,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:51:04,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:51:04,719 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:51:04,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:50:41" (3/4) ... [2018-11-18 12:51:04,724 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:51:04,728 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:51:04,728 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:51:04,728 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:51:04,728 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:51:04,728 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:51:04,729 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:51:04,729 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:51:04,734 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-18 12:51:04,734 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:51:04,735 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:51:04,760 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-18 12:51:04,760 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == tmp) || methaneLevelCritical == tmp) || 0 == systemActive) || !(pumpRunning == \old(pumpRunning)) [2018-11-18 12:51:04,801 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_52967ccb-fd8b-429d-bf50-4bd5eb4fd615/bin-2019/ukojak/witness.graphml [2018-11-18 12:51:04,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:51:04,802 INFO L168 Benchmark]: Toolchain (without parser) took 25367.42 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 452.5 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -234.7 MB). Peak memory consumption was 217.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:04,803 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 12:51:04,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:04,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:04,803 INFO L168 Benchmark]: Boogie Preprocessor took 32.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:04,803 INFO L168 Benchmark]: RCFGBuilder took 1166.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:04,804 INFO L168 Benchmark]: CodeCheck took 23501.34 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 348.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -177.0 MB). Peak memory consumption was 171.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:04,804 INFO L168 Benchmark]: Witness Printer took 82.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:04,805 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, 85 locations, 1 error locations. SAFE Result, 23.1s OverallTime, 62 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1382743760 SDtfs, 2031848194 SDslu, -88734508 SDs, 0 SdLazy, -503798550 SolverSat, -1159345880 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 84.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30829 GetRequests, 30119 SyntacticMatches, 348 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62740 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 3008 NumberOfCodeBlocks, 3008 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 2947 ConstructedInterpolants, 0 QuantifiedInterpolants, 326245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 47 PerfectInterpolantSequences, 1217/1303 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: !(0 == systemActive) || !(0 == pumpRunning) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((!(0 == tmp) || methaneLevelCritical == tmp) || 0 == systemActive) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 532.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1166.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * CodeCheck took 23501.34 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 348.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -177.0 MB). Peak memory consumption was 171.2 MB. Max. memory is 11.5 GB. * Witness Printer took 82.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...