./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/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 d3ebf7e0857ea2577a0261191567e6475555f928 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:31:43,089 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:31:43,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:31:43,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:31:43,097 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:31:43,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:31:43,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:31:43,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:31:43,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:31:43,101 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:31:43,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:31:43,102 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:31:43,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:31:43,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:31:43,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:31:43,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:31:43,105 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:31:43,106 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:31:43,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:31:43,108 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:31:43,110 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:31:43,111 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:31:43,112 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:31:43,112 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:31:43,112 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:31:43,113 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:31:43,113 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:31:43,114 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:31:43,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:31:43,115 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:31:43,115 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:31:43,116 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:31:43,116 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:31:43,116 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:31:43,117 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:31:43,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:31:43,117 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:31:43,126 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:31:43,126 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:31:43,127 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:31:43,127 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:31:43,127 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:31:43,127 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:31:43,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:31:43,128 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:31:43,128 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:31:43,128 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:31:43,128 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:31:43,128 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:31:43,128 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:31:43,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:31:43,128 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:31:43,129 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:31:43,129 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:31:43,129 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:31:43,129 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:31:43,129 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:31:43,129 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:31:43,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:31:43,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:31:43,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:31:43,130 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:31:43,130 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:31:43,130 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:31:43,130 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:31:43,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:31:43,130 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_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-11-23 15:31:43,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:31:43,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:31:43,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:31:43,163 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:31:43,163 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:31:43,164 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-23 15:31:43,197 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/data/b0174ea31/4dd065b85cea4188aa14dae3210163d9/FLAG2c5c7d015 [2018-11-23 15:31:43,630 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:31:43,631 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-23 15:31:43,638 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/data/b0174ea31/4dd065b85cea4188aa14dae3210163d9/FLAG2c5c7d015 [2018-11-23 15:31:43,646 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/data/b0174ea31/4dd065b85cea4188aa14dae3210163d9 [2018-11-23 15:31:43,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:31:43,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:31:43,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:31:43,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:31:43,651 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:31:43,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:43" (1/1) ... [2018-11-23 15:31:43,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:43, skipping insertion in model container [2018-11-23 15:31:43,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:43" (1/1) ... [2018-11-23 15:31:43,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:31:43,687 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:31:43,872 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:31:43,881 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:31:43,979 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:31:44,002 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:31:44,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44 WrapperNode [2018-11-23 15:31:44,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:31:44,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:31:44,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:31:44,004 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:31:44,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:31:44,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:31:44,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:31:44,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:31:44,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:31:44,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:31:44,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:31:44,065 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:31:44,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/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 [2018-11-23 15:31:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:31:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 15:31:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 15:31:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 15:31:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 15:31:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 15:31:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 15:31:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 15:31:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 15:31:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 15:31:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 15:31:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 15:31:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 15:31:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 15:31:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 15:31:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 15:31:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 15:31:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 15:31:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 15:31:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 15:31:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:31:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:31:44,709 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:31:44,709 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-11-23 15:31:44,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:44 BoogieIcfgContainer [2018-11-23 15:31:44,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:31:44,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:31:44,710 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:31:44,717 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:31:44,717 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:44" (1/1) ... [2018-11-23 15:31:44,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:31:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2018-11-23 15:31:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2018-11-23 15:31:44,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:31:44,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2018-11-23 15:31:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2018-11-23 15:31:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 15:31:44,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 72 states and 95 transitions. [2018-11-23 15:31:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2018-11-23 15:31:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:31:45,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2018-11-23 15:31:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2018-11-23 15:31:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 15:31:45,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:45,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2018-11-23 15:31:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2018-11-23 15:31:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 15:31:45,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2018-11-23 15:31:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2018-11-23 15:31:45,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 15:31:45,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 85 states and 119 transitions. [2018-11-23 15:31:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2018-11-23 15:31:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 15:31:45,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:45,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2018-11-23 15:31:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2018-11-23 15:31:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 15:31:45,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 103 states and 158 transitions. [2018-11-23 15:31:45,647 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 158 transitions. [2018-11-23 15:31:45,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 15:31:45,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:46,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 123 states and 203 transitions. [2018-11-23 15:31:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2018-11-23 15:31:46,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 15:31:46,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 126 states and 211 transitions. [2018-11-23 15:31:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 211 transitions. [2018-11-23 15:31:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 15:31:46,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 219 transitions. [2018-11-23 15:31:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2018-11-23 15:31:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 15:31:46,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:47,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 238 transitions. [2018-11-23 15:31:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2018-11-23 15:31:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 15:31:47,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 139 states and 241 transitions. [2018-11-23 15:31:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 241 transitions. [2018-11-23 15:31:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 15:31:47,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 140 states and 242 transitions. [2018-11-23 15:31:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 242 transitions. [2018-11-23 15:31:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 15:31:47,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 245 transitions. [2018-11-23 15:31:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2018-11-23 15:31:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 15:31:47,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 145 states and 252 transitions. [2018-11-23 15:31:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 252 transitions. [2018-11-23 15:31:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 15:31:47,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 273 transitions. [2018-11-23 15:31:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 273 transitions. [2018-11-23 15:31:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 15:31:47,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:48,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 156 states and 281 transitions. [2018-11-23 15:31:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 281 transitions. [2018-11-23 15:31:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:31:48,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:31:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 161 states and 290 transitions. [2018-11-23 15:31:48,274 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 290 transitions. [2018-11-23 15:31:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 15:31:48,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 171 states and 319 transitions. [2018-11-23 15:31:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 319 transitions. [2018-11-23 15:31:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:31:48,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:49,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 169 states and 315 transitions. [2018-11-23 15:31:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 315 transitions. [2018-11-23 15:31:49,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:31:49,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:31:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 172 states and 325 transitions. [2018-11-23 15:31:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 325 transitions. [2018-11-23 15:31:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:31:49,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:31:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 179 states and 337 transitions. [2018-11-23 15:31:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 337 transitions. [2018-11-23 15:31:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 15:31:49,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:31:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:50,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 181 states and 338 transitions. [2018-11-23 15:31:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 338 transitions. [2018-11-23 15:31:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 15:31:50,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:50,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 187 states and 352 transitions. [2018-11-23 15:31:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 352 transitions. [2018-11-23 15:31:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 15:31:50,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:31:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 188 states and 352 transitions. [2018-11-23 15:31:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 352 transitions. [2018-11-23 15:31:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 15:31:50,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:50,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 189 states and 353 transitions. [2018-11-23 15:31:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 353 transitions. [2018-11-23 15:31:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:31:50,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:31:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 190 states and 354 transitions. [2018-11-23 15:31:50,675 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 354 transitions. [2018-11-23 15:31:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 15:31:50,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:50,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 191 states and 355 transitions. [2018-11-23 15:31:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 355 transitions. [2018-11-23 15:31:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:31:50,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 201 states and 378 transitions. [2018-11-23 15:31:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 378 transitions. [2018-11-23 15:31:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:31:51,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 203 states and 379 transitions. [2018-11-23 15:31:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 379 transitions. [2018-11-23 15:31:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 15:31:51,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:51,493 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:51,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 210 states and 404 transitions. [2018-11-23 15:31:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 404 transitions. [2018-11-23 15:31:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 15:31:51,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 212 states and 406 transitions. [2018-11-23 15:31:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 406 transitions. [2018-11-23 15:31:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 15:31:51,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 213 states and 406 transitions. [2018-11-23 15:31:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 406 transitions. [2018-11-23 15:31:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 15:31:51,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:53,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 223 states and 435 transitions. [2018-11-23 15:31:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 435 transitions. [2018-11-23 15:31:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:31:53,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:53,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 224 states and 436 transitions. [2018-11-23 15:31:53,451 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 436 transitions. [2018-11-23 15:31:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 15:31:53,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:53,471 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 225 states and 437 transitions. [2018-11-23 15:31:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 437 transitions. [2018-11-23 15:31:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:31:53,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:31:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 235 states and 471 transitions. [2018-11-23 15:31:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 471 transitions. [2018-11-23 15:31:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:31:55,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:31:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:55,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 241 states and 487 transitions. [2018-11-23 15:31:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 487 transitions. [2018-11-23 15:31:55,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:31:55,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:31:55,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 243 states and 490 transitions. [2018-11-23 15:31:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 490 transitions. [2018-11-23 15:31:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 15:31:55,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 246 states and 495 transitions. [2018-11-23 15:31:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 495 transitions. [2018-11-23 15:31:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 15:31:55,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:31:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 264 states and 531 transitions. [2018-11-23 15:31:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 531 transitions. [2018-11-23 15:31:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 15:31:57,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:31:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 265 states and 532 transitions. [2018-11-23 15:31:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 532 transitions. [2018-11-23 15:31:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 15:31:57,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:31:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 269 states and 542 transitions. [2018-11-23 15:31:58,112 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 542 transitions. [2018-11-23 15:31:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:31:58,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:31:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 271 states and 544 transitions. [2018-11-23 15:31:58,343 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 544 transitions. [2018-11-23 15:31:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 15:31:58,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:31:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:31:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 283 states and 597 transitions. [2018-11-23 15:31:59,641 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 597 transitions. [2018-11-23 15:31:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 15:31:59,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:31:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:31:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 290 states and 612 transitions. [2018-11-23 15:32:00,040 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 612 transitions. [2018-11-23 15:32:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 15:32:00,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 297 states and 626 transitions. [2018-11-23 15:32:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 626 transitions. [2018-11-23 15:32:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 15:32:00,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:32:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 302 states and 639 transitions. [2018-11-23 15:32:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 639 transitions. [2018-11-23 15:32:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 15:32:01,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:32:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:01,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 304 states and 642 transitions. [2018-11-23 15:32:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 642 transitions. [2018-11-23 15:32:01,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 15:32:01,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:32:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 306 states and 643 transitions. [2018-11-23 15:32:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 643 transitions. [2018-11-23 15:32:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 15:32:01,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:32:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 310 states and 652 transitions. [2018-11-23 15:32:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 652 transitions. [2018-11-23 15:32:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 15:32:01,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 315 states and 659 transitions. [2018-11-23 15:32:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 659 transitions. [2018-11-23 15:32:02,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 15:32:02,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:32:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 316 states and 660 transitions. [2018-11-23 15:32:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 660 transitions. [2018-11-23 15:32:02,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 15:32:02,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 317 states and 661 transitions. [2018-11-23 15:32:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 661 transitions. [2018-11-23 15:32:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:32:02,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:32:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:02,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 318 states and 662 transitions. [2018-11-23 15:32:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 662 transitions. [2018-11-23 15:32:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 15:32:02,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:32:02,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 319 states and 663 transitions. [2018-11-23 15:32:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 663 transitions. [2018-11-23 15:32:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 15:32:02,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 15:32:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 320 states and 665 transitions. [2018-11-23 15:32:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 665 transitions. [2018-11-23 15:32:03,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 15:32:03,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 321 states and 666 transitions. [2018-11-23 15:32:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 666 transitions. [2018-11-23 15:32:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 15:32:03,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:32:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 322 states and 669 transitions. [2018-11-23 15:32:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 669 transitions. [2018-11-23 15:32:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 15:32:03,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:03,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 323 states and 670 transitions. [2018-11-23 15:32:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 670 transitions. [2018-11-23 15:32:03,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:32:03,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 324 states and 671 transitions. [2018-11-23 15:32:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 671 transitions. [2018-11-23 15:32:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 15:32:03,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:32:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 325 states and 674 transitions. [2018-11-23 15:32:04,120 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 674 transitions. [2018-11-23 15:32:04,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 15:32:04,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:32:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 327 states and 675 transitions. [2018-11-23 15:32:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 675 transitions. [2018-11-23 15:32:04,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:32:04,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:04,377 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:32:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 328 states and 676 transitions. [2018-11-23 15:32:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 676 transitions. [2018-11-23 15:32:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:32:04,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:32:04,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 329 states and 679 transitions. [2018-11-23 15:32:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 679 transitions. [2018-11-23 15:32:04,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:32:04,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 340 states and 710 transitions. [2018-11-23 15:32:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 710 transitions. [2018-11-23 15:32:06,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:32:06,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 343 states and 715 transitions. [2018-11-23 15:32:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 715 transitions. [2018-11-23 15:32:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:32:06,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:06,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 345 states and 716 transitions. [2018-11-23 15:32:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 716 transitions. [2018-11-23 15:32:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 15:32:06,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 15:32:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 346 states and 717 transitions. [2018-11-23 15:32:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 717 transitions. [2018-11-23 15:32:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 15:32:06,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:32:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 348 states and 720 transitions. [2018-11-23 15:32:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 720 transitions. [2018-11-23 15:32:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 15:32:06,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:32:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 352 states and 727 transitions. [2018-11-23 15:32:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 727 transitions. [2018-11-23 15:32:07,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 15:32:07,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:32:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 355 states and 731 transitions. [2018-11-23 15:32:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 731 transitions. [2018-11-23 15:32:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 15:32:07,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 356 states and 733 transitions. [2018-11-23 15:32:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 733 transitions. [2018-11-23 15:32:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 15:32:07,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:32:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 366 states and 762 transitions. [2018-11-23 15:32:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 762 transitions. [2018-11-23 15:32:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:32:10,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 15:32:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 368 states and 764 transitions. [2018-11-23 15:32:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 764 transitions. [2018-11-23 15:32:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:32:10,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 15:32:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 369 states and 765 transitions. [2018-11-23 15:32:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 765 transitions. [2018-11-23 15:32:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 15:32:10,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:11,009 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 372 states and 776 transitions. [2018-11-23 15:32:11,202 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 776 transitions. [2018-11-23 15:32:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 15:32:11,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 15:32:11,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 373 states and 776 transitions. [2018-11-23 15:32:11,227 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 776 transitions. [2018-11-23 15:32:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 15:32:11,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 15:32:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 371 states and 772 transitions. [2018-11-23 15:32:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 772 transitions. [2018-11-23 15:32:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 15:32:11,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:32:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:13,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 377 states and 788 transitions. [2018-11-23 15:32:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 788 transitions. [2018-11-23 15:32:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 15:32:13,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 15:32:13,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 379 states and 791 transitions. [2018-11-23 15:32:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 791 transitions. [2018-11-23 15:32:13,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 15:32:13,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:32:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 390 states and 821 transitions. [2018-11-23 15:32:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 821 transitions. [2018-11-23 15:32:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 15:32:16,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:32:16,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 391 states and 822 transitions. [2018-11-23 15:32:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 822 transitions. [2018-11-23 15:32:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 15:32:16,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:32:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:16,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 392 states and 823 transitions. [2018-11-23 15:32:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 823 transitions. [2018-11-23 15:32:16,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 15:32:16,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:16,776 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 15:32:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 394 states and 826 transitions. [2018-11-23 15:32:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 826 transitions. [2018-11-23 15:32:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 15:32:16,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 15:32:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 399 states and 836 transitions. [2018-11-23 15:32:17,174 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 836 transitions. [2018-11-23 15:32:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 15:32:17,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 15:32:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 382 states and 786 transitions. [2018-11-23 15:32:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 786 transitions. [2018-11-23 15:32:17,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 15:32:17,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:32:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 384 states and 787 transitions. [2018-11-23 15:32:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 787 transitions. [2018-11-23 15:32:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 15:32:18,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 15:32:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 385 states and 788 transitions. [2018-11-23 15:32:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 788 transitions. [2018-11-23 15:32:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 15:32:18,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 15:32:19,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:19,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 386 states and 789 transitions. [2018-11-23 15:32:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 789 transitions. [2018-11-23 15:32:19,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 15:32:19,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:19,032 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 15:32:19,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 387 states and 789 transitions. [2018-11-23 15:32:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 789 transitions. [2018-11-23 15:32:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 15:32:19,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 394 states and 801 transitions. [2018-11-23 15:32:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 801 transitions. [2018-11-23 15:32:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 15:32:19,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 15:32:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 387 states and 787 transitions. [2018-11-23 15:32:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 787 transitions. [2018-11-23 15:32:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 15:32:19,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 15:32:19,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 379 states and 769 transitions. [2018-11-23 15:32:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 769 transitions. [2018-11-23 15:32:19,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 15:32:19,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:20,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 380 states and 770 transitions. [2018-11-23 15:32:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 770 transitions. [2018-11-23 15:32:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 15:32:20,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 15:32:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:20,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 388 states and 794 transitions. [2018-11-23 15:32:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 794 transitions. [2018-11-23 15:32:20,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 15:32:20,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 389 states and 795 transitions. [2018-11-23 15:32:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 795 transitions. [2018-11-23 15:32:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 15:32:20,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:20,926 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:21,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 390 states and 798 transitions. [2018-11-23 15:32:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 798 transitions. [2018-11-23 15:32:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 15:32:21,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:22,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 399 states and 813 transitions. [2018-11-23 15:32:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 813 transitions. [2018-11-23 15:32:22,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 15:32:22,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:32:22,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:22,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 400 states and 814 transitions. [2018-11-23 15:32:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 814 transitions. [2018-11-23 15:32:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 15:32:22,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:22,736 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:32:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 407 states and 829 transitions. [2018-11-23 15:32:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 829 transitions. [2018-11-23 15:32:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 15:32:23,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:32:24,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:24,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 412 states and 839 transitions. [2018-11-23 15:32:24,167 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 839 transitions. [2018-11-23 15:32:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 15:32:24,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:32:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 410 states and 835 transitions. [2018-11-23 15:32:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 835 transitions. [2018-11-23 15:32:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 15:32:24,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:32:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 408 states and 831 transitions. [2018-11-23 15:32:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 831 transitions. [2018-11-23 15:32:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 15:32:24,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:32:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 409 states and 833 transitions. [2018-11-23 15:32:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 833 transitions. [2018-11-23 15:32:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 15:32:24,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:32:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 410 states and 835 transitions. [2018-11-23 15:32:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 835 transitions. [2018-11-23 15:32:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 15:32:24,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:24,719 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:32:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 415 states and 846 transitions. [2018-11-23 15:32:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 846 transitions. [2018-11-23 15:32:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 15:32:25,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:32:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 418 states and 852 transitions. [2018-11-23 15:32:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 852 transitions. [2018-11-23 15:32:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 15:32:25,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 15:32:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:25,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 419 states and 853 transitions. [2018-11-23 15:32:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 853 transitions. [2018-11-23 15:32:25,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 15:32:25,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 15:32:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:25,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 420 states and 854 transitions. [2018-11-23 15:32:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 854 transitions. [2018-11-23 15:32:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 15:32:25,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:32:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 422 states and 855 transitions. [2018-11-23 15:32:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 855 transitions. [2018-11-23 15:32:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 15:32:26,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 15:32:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 438 states and 896 transitions. [2018-11-23 15:32:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 896 transitions. [2018-11-23 15:32:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 15:32:33,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 15:32:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 439 states and 897 transitions. [2018-11-23 15:32:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 897 transitions. [2018-11-23 15:32:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 15:32:34,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:32:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 437 states and 887 transitions. [2018-11-23 15:32:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 887 transitions. [2018-11-23 15:32:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 15:32:34,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:32:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:34,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 435 states and 876 transitions. [2018-11-23 15:32:34,987 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 876 transitions. [2018-11-23 15:32:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 15:32:34,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 15:32:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 436 states and 877 transitions. [2018-11-23 15:32:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 877 transitions. [2018-11-23 15:32:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 15:32:35,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 15:32:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 437 states and 878 transitions. [2018-11-23 15:32:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 878 transitions. [2018-11-23 15:32:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 15:32:35,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:35,211 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 48 proven. 14 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 15:32:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 439 states and 879 transitions. [2018-11-23 15:32:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 879 transitions. [2018-11-23 15:32:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 15:32:35,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:32:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 444 states and 885 transitions. [2018-11-23 15:32:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 885 transitions. [2018-11-23 15:32:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 15:32:37,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:32:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 444 states and 884 transitions. [2018-11-23 15:32:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 884 transitions. [2018-11-23 15:32:38,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 15:32:38,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:32:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 441 states and 878 transitions. [2018-11-23 15:32:40,484 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 878 transitions. [2018-11-23 15:32:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 15:32:40,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:32:41,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 440 states and 875 transitions. [2018-11-23 15:32:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 875 transitions. [2018-11-23 15:32:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 15:32:41,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:32:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 441 states and 876 transitions. [2018-11-23 15:32:42,222 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 876 transitions. [2018-11-23 15:32:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 15:32:42,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:32:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 401 states and 769 transitions. [2018-11-23 15:32:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 769 transitions. [2018-11-23 15:32:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 15:32:43,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 15:32:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 403 states and 767 transitions. [2018-11-23 15:32:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 767 transitions. [2018-11-23 15:32:44,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 15:32:44,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 15:32:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 405 states and 766 transitions. [2018-11-23 15:32:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 766 transitions. [2018-11-23 15:32:44,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 15:32:44,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:32:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:32:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 15:32:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:32:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 279 states and 445 transitions. [2018-11-23 15:32:45,446 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 445 transitions. [2018-11-23 15:32:45,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:32:45,447 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 129 iterations. [2018-11-23 15:32:45,453 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:32:46,008 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,010 INFO L579 CodeCheckObserver]: Invariant with dag size 31 [2018-11-23 15:32:46,014 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,014 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 15:32:46,014 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,014 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,014 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,014 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,014 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 15:32:46,015 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,015 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 15:32:46,015 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,015 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,015 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:32:46,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:32:46 ImpRootNode [2018-11-23 15:32:46,016 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:32:46,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:32:46,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:32:46,016 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:32:46,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:44" (3/4) ... [2018-11-23 15:32:46,020 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:32:46,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 15:32:46,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 15:32:46,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 15:32:46,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 15:32:46,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 15:32:46,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 15:32:46,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 15:32:46,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 15:32:46,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 15:32:46,031 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-11-23 15:32:46,031 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 15:32:46,031 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 15:32:46,032 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 15:32:46,032 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:32:46,032 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:32:46,032 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:32:46,054 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) || (systemActive == 0 && pumpRunning == \old(pumpRunning))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && pumpRunning == 0)) || (pumpRunning == \old(pumpRunning) && (waterLevel <= 1 || !(\old(waterLevel) == 1)))) || (!(systemActive == 0) && !(pumpRunning == 0))) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) [2018-11-23 15:32:46,055 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-23 15:32:46,083 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_328a54c9-9dee-4cff-8e3f-4bb801bc0e5a/bin-2019/ukojak/witness.graphml [2018-11-23 15:32:46,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:32:46,084 INFO L168 Benchmark]: Toolchain (without parser) took 62435.41 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 955.4 MB in the beginning and 1.0 GB in the end (delta: -79.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 15:32:46,085 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:32:46,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:32:46,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.21 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:32:46,086 INFO L168 Benchmark]: Boogie Preprocessor took 22.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:32:46,086 INFO L168 Benchmark]: RCFGBuilder took 644.62 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: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:32:46,086 INFO L168 Benchmark]: CodeCheck took 61306.06 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 15:32:46,086 INFO L168 Benchmark]: Witness Printer took 67.14 ms. Allocated memory is still 2.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:32:46,088 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 10 procedures, 92 locations, 1 error locations. SAFE Result, 60.7s OverallTime, 129 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -699791400 SDtfs, 307755936 SDslu, -1932689544 SDs, 0 SdLazy, 434888758 SolverSat, 71375262 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 150.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99347 GetRequests, 97760 SyntacticMatches, 731 SemanticMatches, 856 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427988 ImplicationChecksByTransitivity, 54.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 7799 NumberOfCodeBlocks, 7799 NumberOfCodeBlocksAsserted, 128 NumberOfCheckSat, 7671 ConstructedInterpolants, 0 QuantifiedInterpolants, 932647 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 128 InterpolantComputations, 100 PerfectInterpolantSequences, 3695/3867 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: 44]: 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: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) || (systemActive == 0 && pumpRunning == \old(pumpRunning))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && pumpRunning == 0)) || (pumpRunning == \old(pumpRunning) && (waterLevel <= 1 || !(\old(waterLevel) == 1)))) || (!(systemActive == 0) && !(pumpRunning == 0))) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.21 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 644.62 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: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. * CodeCheck took 61306.06 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 67.14 ms. Allocated memory is still 2.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...