./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_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_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/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 b49fd66662c490ea81dc99d4f21b657b1bc3f920 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:03:29,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:03:29,898 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:03:29,904 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:03:29,905 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:03:29,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:03:29,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:03:29,907 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:03:29,909 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:03:29,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:03:29,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:03:29,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:03:29,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:03:29,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:03:29,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:03:29,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:03:29,912 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:03:29,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:03:29,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:03:29,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:03:29,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:03:29,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:03:29,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:03:29,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:03:29,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:03:29,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:03:29,919 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:03:29,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:03:29,920 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:03:29,921 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:03:29,921 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:03:29,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:03:29,921 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:03:29,921 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:03:29,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:03:29,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:03:29,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:03:29,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:03:29,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:03:29,931 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:03:29,931 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:03:29,932 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:03:29,932 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:03:29,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:03:29,932 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:03:29,932 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:03:29,932 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:03:29,932 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:03:29,933 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:03:29,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:03:29,933 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:03:29,933 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:03:29,933 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:03:29,933 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:03:29,933 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:03:29,934 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:03:29,934 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:03:29,934 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:03:29,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:03:29,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:03:29,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:03:29,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:03:29,934 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:03:29,935 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:03:29,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:03:29,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:03:29,935 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_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/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 -> b49fd66662c490ea81dc99d4f21b657b1bc3f920 [2018-11-18 10:03:29,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:03:29,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:03:29,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:03:29,973 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:03:29,973 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:03:29,973 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-18 10:03:30,018 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/data/6b8073d4e/effea5ec705c44ff9169f37454f47044/FLAGacbe33512 [2018-11-18 10:03:30,387 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:03:30,388 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-18 10:03:30,396 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/data/6b8073d4e/effea5ec705c44ff9169f37454f47044/FLAGacbe33512 [2018-11-18 10:03:30,778 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/data/6b8073d4e/effea5ec705c44ff9169f37454f47044 [2018-11-18 10:03:30,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:03:30,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:03:30,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:03:30,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:03:30,786 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:03:30,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:30" (1/1) ... [2018-11-18 10:03:30,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c77335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:30, skipping insertion in model container [2018-11-18 10:03:30,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:30" (1/1) ... [2018-11-18 10:03:30,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:03:30,824 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:03:31,016 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:03:31,024 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:03:31,124 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:03:31,143 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:03:31,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31 WrapperNode [2018-11-18 10:03:31,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:03:31,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:03:31,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:03:31,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:03:31,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:03:31,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:03:31,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:03:31,176 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:03:31,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:03:31,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:03:31,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:03:31,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:03:31,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/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 10:03:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:03:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:03:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:03:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:03:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:03:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:03:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:03:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:03:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:03:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:03:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:03:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:03:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:03:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:03:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:03:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:03:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:03:31,888 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:03:31,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:31 BoogieIcfgContainer [2018-11-18 10:03:31,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:03:31,889 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:03:31,889 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:03:31,898 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:03:31,898 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:31" (1/1) ... [2018-11-18 10:03:31,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-11-18 10:03:31,943 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-11-18 10:03:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:03:31,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:32,109 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 10:03:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2018-11-18 10:03:32,117 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2018-11-18 10:03:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:03:32,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:32,202 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 10:03:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2018-11-18 10:03:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-11-18 10:03:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:03:32,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:32,326 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 10:03:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:32,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2018-11-18 10:03:32,442 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-11-18 10:03:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:03:32,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:32,482 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 10:03:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2018-11-18 10:03:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-11-18 10:03:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:03:32,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:32,528 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 10:03:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:32,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2018-11-18 10:03:32,541 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2018-11-18 10:03:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:03:32,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:32,578 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 10:03:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-11-18 10:03:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-11-18 10:03:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:03:32,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:32,761 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 10:03:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:33,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 93 states and 137 transitions. [2018-11-18 10:03:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2018-11-18 10:03:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:03:33,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:33,136 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 10:03:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 99 states and 151 transitions. [2018-11-18 10:03:33,233 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2018-11-18 10:03:33,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:03:33,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:33,288 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 10:03:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 112 states and 178 transitions. [2018-11-18 10:03:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 178 transitions. [2018-11-18 10:03:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:03:33,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:33,894 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 10:03:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 115 states and 183 transitions. [2018-11-18 10:03:33,913 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2018-11-18 10:03:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:03:33,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:33,942 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 10:03:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2018-11-18 10:03:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2018-11-18 10:03:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:03:33,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:34,016 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 10:03:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 127 states and 201 transitions. [2018-11-18 10:03:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 201 transitions. [2018-11-18 10:03:34,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:03:34,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:34,370 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 10:03:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 131 states and 207 transitions. [2018-11-18 10:03:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 207 transitions. [2018-11-18 10:03:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:03:34,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:34,470 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 10:03:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 215 transitions. [2018-11-18 10:03:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 215 transitions. [2018-11-18 10:03:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:03:34,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:34,514 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 10:03:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:34,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 136 states and 217 transitions. [2018-11-18 10:03:34,527 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 217 transitions. [2018-11-18 10:03:34,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 10:03:34,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:34,590 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 10:03:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 144 states and 235 transitions. [2018-11-18 10:03:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-11-18 10:03:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 10:03:34,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:34,781 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 10:03:34,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:34,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 145 states and 236 transitions. [2018-11-18 10:03:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 236 transitions. [2018-11-18 10:03:34,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 10:03:34,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:34,810 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 10:03:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 243 transitions. [2018-11-18 10:03:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2018-11-18 10:03:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 10:03:35,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:35,117 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 10:03:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 146 states and 239 transitions. [2018-11-18 10:03:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 239 transitions. [2018-11-18 10:03:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 10:03:35,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:35,327 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 10:03:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 149 states and 244 transitions. [2018-11-18 10:03:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 244 transitions. [2018-11-18 10:03:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:03:35,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:35,925 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 10:03:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 155 states and 258 transitions. [2018-11-18 10:03:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 258 transitions. [2018-11-18 10:03:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 10:03:36,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:03:36,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 158 states and 260 transitions. [2018-11-18 10:03:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 260 transitions. [2018-11-18 10:03:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 10:03:36,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:03:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 166 states and 273 transitions. [2018-11-18 10:03:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 273 transitions. [2018-11-18 10:03:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 10:03:36,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:03:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 169 states and 275 transitions. [2018-11-18 10:03:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 275 transitions. [2018-11-18 10:03:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:03:36,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:36,899 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 10:03:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 170 states and 276 transitions. [2018-11-18 10:03:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 276 transitions. [2018-11-18 10:03:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:03:36,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:36,957 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 10:03:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 171 states and 276 transitions. [2018-11-18 10:03:36,966 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 276 transitions. [2018-11-18 10:03:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:03:36,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:03:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 277 transitions. [2018-11-18 10:03:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 277 transitions. [2018-11-18 10:03:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:03:37,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:03:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 189 states and 316 transitions. [2018-11-18 10:03:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 316 transitions. [2018-11-18 10:03:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:03:38,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:03:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:38,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 192 states and 318 transitions. [2018-11-18 10:03:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 318 transitions. [2018-11-18 10:03:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 10:03:38,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:03:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 202 states and 339 transitions. [2018-11-18 10:03:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 339 transitions. [2018-11-18 10:03:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 10:03:39,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:03:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 201 states and 336 transitions. [2018-11-18 10:03:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 336 transitions. [2018-11-18 10:03:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:03:39,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:39,768 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 10:03:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 205 states and 340 transitions. [2018-11-18 10:03:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions. [2018-11-18 10:03:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 10:03:40,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:40,281 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 10:03:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 206 states and 340 transitions. [2018-11-18 10:03:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 340 transitions. [2018-11-18 10:03:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 10:03:40,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:03:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 207 states and 341 transitions. [2018-11-18 10:03:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 341 transitions. [2018-11-18 10:03:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 10:03:40,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:03:40,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:40,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 205 states and 337 transitions. [2018-11-18 10:03:40,373 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 337 transitions. [2018-11-18 10:03:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:03:40,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:03:40,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 206 states and 338 transitions. [2018-11-18 10:03:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 338 transitions. [2018-11-18 10:03:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 10:03:40,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:40,657 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 10:03:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:40,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 209 states and 342 transitions. [2018-11-18 10:03:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 342 transitions. [2018-11-18 10:03:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 10:03:40,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:40,731 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 10:03:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 212 states and 345 transitions. [2018-11-18 10:03:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 345 transitions. [2018-11-18 10:03:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 10:03:41,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:41,085 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 10:03:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 163 states and 245 transitions. [2018-11-18 10:03:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 245 transitions. [2018-11-18 10:03:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 10:03:41,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:41,460 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 10:03:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 167 states and 252 transitions. [2018-11-18 10:03:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2018-11-18 10:03:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 10:03:41,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:41,579 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 10:03:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 168 states and 252 transitions. [2018-11-18 10:03:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 252 transitions. [2018-11-18 10:03:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:03:41,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:41,607 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 10:03:41,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 166 states and 248 transitions. [2018-11-18 10:03:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 248 transitions. [2018-11-18 10:03:41,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:03:41,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:41,638 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 10:03:41,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 167 states and 251 transitions. [2018-11-18 10:03:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 251 transitions. [2018-11-18 10:03:41,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 10:03:41,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:03:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 169 states and 254 transitions. [2018-11-18 10:03:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 254 transitions. [2018-11-18 10:03:41,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 10:03:41,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:03:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 171 states and 256 transitions. [2018-11-18 10:03:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2018-11-18 10:03:41,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 10:03:41,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 10:03:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 174 states and 257 transitions. [2018-11-18 10:03:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2018-11-18 10:03:42,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 10:03:42,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:42,792 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 10:03:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 175 states and 257 transitions. [2018-11-18 10:03:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 257 transitions. [2018-11-18 10:03:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 10:03:42,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:03:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 166 states and 240 transitions. [2018-11-18 10:03:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 240 transitions. [2018-11-18 10:03:42,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 10:03:42,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:42,914 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 10:03:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:42,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 168 states and 243 transitions. [2018-11-18 10:03:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 243 transitions. [2018-11-18 10:03:42,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 10:03:42,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:42,988 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 10:03:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 169 states and 244 transitions. [2018-11-18 10:03:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 244 transitions. [2018-11-18 10:03:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 10:03:43,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:03:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:43,040 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 10:03:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:03:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 109 states and 141 transitions. [2018-11-18 10:03:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2018-11-18 10:03:43,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:03:43,062 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-11-18 10:03:43,070 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:03:43,412 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 10:03:43,416 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-18 10:03:43,417 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,417 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,417 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-18 10:03:43,417 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,417 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 10:03:43,418 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,418 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,418 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,418 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,418 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 10:03:43,419 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,419 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,419 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:03:43,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:03:43 ImpRootNode [2018-11-18 10:03:43,419 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:03:43,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:03:43,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:03:43,420 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:03:43,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:31" (3/4) ... [2018-11-18 10:03:43,423 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:03:43,426 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:03:43,426 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:03:43,426 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:03:43,426 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:03:43,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:03:43,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:03:43,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:03:43,432 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-18 10:03:43,432 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:03:43,433 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:03:43,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-18 10:03:43,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(0 == methaneLevelCritical)) || \old(pumpRunning) == pumpRunning [2018-11-18 10:03:43,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == pumpRunning) && !(tmp == 0)) || methaneLevelCritical == tmp) || (!(0 == pumpRunning) && !(tmp == 0)) [2018-11-18 10:03:43,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || 0 == methaneLevelCritical) || 0 == pumpRunning [2018-11-18 10:03:43,488 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5d2d4fc3-9e5c-40a2-840c-cdc5a0a32d7d/bin-2019/ukojak/witness.graphml [2018-11-18 10:03:43,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:03:43,489 INFO L168 Benchmark]: Toolchain (without parser) took 12707.45 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 516.9 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 348.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:43,489 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:03:43,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:43,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.03 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:43,490 INFO L168 Benchmark]: Boogie Preprocessor took 17.67 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. [2018-11-18 10:03:43,490 INFO L168 Benchmark]: RCFGBuilder took 694.82 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: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:43,490 INFO L168 Benchmark]: CodeCheck took 11530.64 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 381.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -90.0 MB). Peak memory consumption was 291.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:43,491 INFO L168 Benchmark]: Witness Printer took 68.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:43,492 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, 82 locations, 1 error locations. SAFE Result, 11.1s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 195856420 SDtfs, 1107011692 SDslu, 2067715164 SDs, 0 SdLazy, 857360220 SolverSat, 91330164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21054 GetRequests, 20481 SyntacticMatches, 307 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32317 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2273 NumberOfCodeBlocks, 2273 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2222 ConstructedInterpolants, 0 QuantifiedInterpolants, 224934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 41 PerfectInterpolantSequences, 863/913 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: 192]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == pumpRunning) && !(tmp == 0)) || methaneLevelCritical == tmp) || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || 0 == methaneLevelCritical) || 0 == pumpRunning - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(0 == methaneLevelCritical)) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.03 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.67 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 694.82 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: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * CodeCheck took 11530.64 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 381.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -90.0 MB). Peak memory consumption was 291.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...