./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/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 eaa884e9733c01fe9db8345a7c098b974c9047d7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:45:32,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:45:32,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:45:32,410 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:45:32,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:45:32,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:45:32,411 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:45:32,412 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:45:32,413 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:45:32,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:45:32,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:45:32,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:45:32,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:45:32,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:45:32,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:45:32,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:45:32,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:45:32,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:45:32,418 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:45:32,418 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:45:32,419 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:45:32,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:45:32,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:45:32,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:45:32,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:45:32,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:45:32,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:45:32,422 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:45:32,422 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:45:32,423 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:45:32,423 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:45:32,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:45:32,424 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:45:32,424 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:45:32,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:45:32,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:45:32,425 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 10:45:32,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:45:32,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:45:32,432 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:45:32,432 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 10:45:32,433 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:45:32,433 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:45:32,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:45:32,434 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:45:32,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:45:32,434 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 10:45:32,434 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 10:45:32,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:45:32,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:45:32,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:45:32,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:45:32,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:45:32,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:45:32,434 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 10:45:32,435 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:45:32,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:45:32,435 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_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/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 -> eaa884e9733c01fe9db8345a7c098b974c9047d7 [2018-12-09 10:45:32,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:45:32,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:45:32,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:45:32,461 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:45:32,461 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:45:32,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-12-09 10:45:32,495 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/data/c55d28577/79d0cda1ac0844c0aca7cceec094021e/FLAG1907f71d8 [2018-12-09 10:45:32,931 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:45:32,932 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-12-09 10:45:32,938 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/data/c55d28577/79d0cda1ac0844c0aca7cceec094021e/FLAG1907f71d8 [2018-12-09 10:45:32,946 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/data/c55d28577/79d0cda1ac0844c0aca7cceec094021e [2018-12-09 10:45:32,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:45:32,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:45:32,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:45:32,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:45:32,951 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:45:32,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:45:32" (1/1) ... [2018-12-09 10:45:32,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:32, skipping insertion in model container [2018-12-09 10:45:32,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:45:32" (1/1) ... [2018-12-09 10:45:32,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:45:32,978 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:45:33,121 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:45:33,170 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:45:33,209 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:45:33,223 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:45:33,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33 WrapperNode [2018-12-09 10:45:33,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:45:33,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:45:33,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:45:33,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:45:33,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:45:33,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:45:33,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:45:33,254 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:45:33,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:45:33,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:45:33,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:45:33,272 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:45:33,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:45:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:45:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:45:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:45:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:45:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:45:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:45:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:45:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:45:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:45:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:45:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 10:45:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 10:45:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 10:45:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 10:45:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 10:45:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 10:45:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:45:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:45:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:45:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:45:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:45:33,746 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:45:33,747 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-12-09 10:45:33,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:33 BoogieIcfgContainer [2018-12-09 10:45:33,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:45:33,747 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 10:45:33,747 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 10:45:33,754 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 10:45:33,755 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:33" (1/1) ... [2018-12-09 10:45:33,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:45:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2018-12-09 10:45:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2018-12-09 10:45:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:45:33,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2018-12-09 10:45:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-12-09 10:45:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 10:45:33,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2018-12-09 10:45:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2018-12-09 10:45:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 10:45:34,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2018-12-09 10:45:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2018-12-09 10:45:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 10:45:34,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:34,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2018-12-09 10:45:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2018-12-09 10:45:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 10:45:34,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2018-12-09 10:45:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2018-12-09 10:45:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 10:45:34,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 91 states and 138 transitions. [2018-12-09 10:45:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 138 transitions. [2018-12-09 10:45:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 10:45:34,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 92 states and 139 transitions. [2018-12-09 10:45:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2018-12-09 10:45:34,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 10:45:34,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:34,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 93 states and 140 transitions. [2018-12-09 10:45:34,551 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 140 transitions. [2018-12-09 10:45:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 10:45:34,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 94 states and 141 transitions. [2018-12-09 10:45:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 141 transitions. [2018-12-09 10:45:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 10:45:34,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 113 states and 182 transitions. [2018-12-09 10:45:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2018-12-09 10:45:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 10:45:35,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2018-12-09 10:45:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-12-09 10:45:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 10:45:35,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:35,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:35,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 119 states and 196 transitions. [2018-12-09 10:45:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 196 transitions. [2018-12-09 10:45:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 10:45:35,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 120 states and 197 transitions. [2018-12-09 10:45:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 197 transitions. [2018-12-09 10:45:35,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 10:45:35,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2018-12-09 10:45:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-12-09 10:45:35,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 10:45:35,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 134 states and 229 transitions. [2018-12-09 10:45:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2018-12-09 10:45:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 10:45:35,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:35,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:35,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 135 states and 230 transitions. [2018-12-09 10:45:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 230 transitions. [2018-12-09 10:45:35,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 10:45:35,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2018-12-09 10:45:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2018-12-09 10:45:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 10:45:35,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:45:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 240 transitions. [2018-12-09 10:45:36,054 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 240 transitions. [2018-12-09 10:45:36,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 10:45:36,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 144 states and 248 transitions. [2018-12-09 10:45:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 248 transitions. [2018-12-09 10:45:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 10:45:36,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 147 states and 256 transitions. [2018-12-09 10:45:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 256 transitions. [2018-12-09 10:45:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 10:45:36,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:36,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 150 states and 264 transitions. [2018-12-09 10:45:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 264 transitions. [2018-12-09 10:45:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 10:45:36,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 154 states and 274 transitions. [2018-12-09 10:45:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 274 transitions. [2018-12-09 10:45:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 10:45:36,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 161 states and 297 transitions. [2018-12-09 10:45:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 297 transitions. [2018-12-09 10:45:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 10:45:36,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:36,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 162 states and 298 transitions. [2018-12-09 10:45:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 298 transitions. [2018-12-09 10:45:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 10:45:36,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 160 states and 294 transitions. [2018-12-09 10:45:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2018-12-09 10:45:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 10:45:36,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 10:45:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 167 states and 309 transitions. [2018-12-09 10:45:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 309 transitions. [2018-12-09 10:45:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 10:45:37,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 170 states and 316 transitions. [2018-12-09 10:45:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 316 transitions. [2018-12-09 10:45:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 10:45:38,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:38,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 180 states and 337 transitions. [2018-12-09 10:45:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 337 transitions. [2018-12-09 10:45:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 10:45:38,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 183 states and 344 transitions. [2018-12-09 10:45:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 344 transitions. [2018-12-09 10:45:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 10:45:38,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 184 states and 345 transitions. [2018-12-09 10:45:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 345 transitions. [2018-12-09 10:45:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 10:45:38,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 187 states and 352 transitions. [2018-12-09 10:45:38,848 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 352 transitions. [2018-12-09 10:45:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 10:45:38,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:38,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 194 states and 364 transitions. [2018-12-09 10:45:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 364 transitions. [2018-12-09 10:45:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 10:45:39,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 196 states and 366 transitions. [2018-12-09 10:45:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 366 transitions. [2018-12-09 10:45:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 10:45:39,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 198 states and 368 transitions. [2018-12-09 10:45:39,317 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 368 transitions. [2018-12-09 10:45:39,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 10:45:39,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 203 states and 377 transitions. [2018-12-09 10:45:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 377 transitions. [2018-12-09 10:45:39,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 10:45:39,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 204 states and 384 transitions. [2018-12-09 10:45:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 384 transitions. [2018-12-09 10:45:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 10:45:39,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 10:45:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 205 states and 384 transitions. [2018-12-09 10:45:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 384 transitions. [2018-12-09 10:45:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:45:39,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 385 transitions. [2018-12-09 10:45:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 385 transitions. [2018-12-09 10:45:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:45:39,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,561 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 207 states and 386 transitions. [2018-12-09 10:45:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 386 transitions. [2018-12-09 10:45:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 10:45:39,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 208 states and 386 transitions. [2018-12-09 10:45:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 386 transitions. [2018-12-09 10:45:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 10:45:39,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:39,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 209 states and 387 transitions. [2018-12-09 10:45:39,631 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 387 transitions. [2018-12-09 10:45:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 10:45:39,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 219 states and 426 transitions. [2018-12-09 10:45:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 426 transitions. [2018-12-09 10:45:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 10:45:40,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:40,162 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 219 states and 425 transitions. [2018-12-09 10:45:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 425 transitions. [2018-12-09 10:45:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:45:40,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:40,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:40,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 224 states and 432 transitions. [2018-12-09 10:45:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 432 transitions. [2018-12-09 10:45:40,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:45:40,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:40,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 226 states and 434 transitions. [2018-12-09 10:45:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 434 transitions. [2018-12-09 10:45:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 10:45:40,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 227 states and 435 transitions. [2018-12-09 10:45:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 435 transitions. [2018-12-09 10:45:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 10:45:40,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 228 states and 435 transitions. [2018-12-09 10:45:40,653 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 435 transitions. [2018-12-09 10:45:40,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 10:45:40,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 10:45:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 238 states and 456 transitions. [2018-12-09 10:45:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 456 transitions. [2018-12-09 10:45:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 10:45:41,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 248 states and 487 transitions. [2018-12-09 10:45:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 487 transitions. [2018-12-09 10:45:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 10:45:43,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 249 states and 488 transitions. [2018-12-09 10:45:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 488 transitions. [2018-12-09 10:45:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 10:45:43,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 250 states and 489 transitions. [2018-12-09 10:45:43,056 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 489 transitions. [2018-12-09 10:45:43,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 10:45:43,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:44,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:44,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 256 states and 506 transitions. [2018-12-09 10:45:44,304 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 506 transitions. [2018-12-09 10:45:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 10:45:44,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 257 states and 506 transitions. [2018-12-09 10:45:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 506 transitions. [2018-12-09 10:45:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 10:45:44,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 259 states and 510 transitions. [2018-12-09 10:45:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 510 transitions. [2018-12-09 10:45:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 10:45:44,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 265 states and 524 transitions. [2018-12-09 10:45:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 524 transitions. [2018-12-09 10:45:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 10:45:45,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:47,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 281 states and 584 transitions. [2018-12-09 10:45:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 584 transitions. [2018-12-09 10:45:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 10:45:47,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 283 states and 586 transitions. [2018-12-09 10:45:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 586 transitions. [2018-12-09 10:45:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 10:45:47,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 288 states and 594 transitions. [2018-12-09 10:45:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 594 transitions. [2018-12-09 10:45:47,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 10:45:47,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 290 states and 595 transitions. [2018-12-09 10:45:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 595 transitions. [2018-12-09 10:45:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 10:45:47,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:47,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 293 states and 599 transitions. [2018-12-09 10:45:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 599 transitions. [2018-12-09 10:45:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 10:45:47,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:48,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 295 states and 599 transitions. [2018-12-09 10:45:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 599 transitions. [2018-12-09 10:45:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:45:48,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 296 states and 600 transitions. [2018-12-09 10:45:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 600 transitions. [2018-12-09 10:45:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:45:48,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 297 states and 601 transitions. [2018-12-09 10:45:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 601 transitions. [2018-12-09 10:45:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:45:48,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:48,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 298 states and 604 transitions. [2018-12-09 10:45:48,655 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 604 transitions. [2018-12-09 10:45:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 10:45:48,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 10:45:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 299 states and 605 transitions. [2018-12-09 10:45:48,676 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 605 transitions. [2018-12-09 10:45:48,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:45:48,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:48,779 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 302 states and 610 transitions. [2018-12-09 10:45:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 610 transitions. [2018-12-09 10:45:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 10:45:48,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 303 states and 611 transitions. [2018-12-09 10:45:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 611 transitions. [2018-12-09 10:45:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 10:45:49,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:49,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 307 states and 619 transitions. [2018-12-09 10:45:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 619 transitions. [2018-12-09 10:45:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 10:45:49,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 10:45:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 308 states and 620 transitions. [2018-12-09 10:45:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 620 transitions. [2018-12-09 10:45:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 10:45:49,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 314 states and 626 transitions. [2018-12-09 10:45:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 626 transitions. [2018-12-09 10:45:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 10:45:50,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 317 states and 631 transitions. [2018-12-09 10:45:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 631 transitions. [2018-12-09 10:45:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 10:45:50,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 319 states and 634 transitions. [2018-12-09 10:45:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 634 transitions. [2018-12-09 10:45:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:45:50,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 324 states and 643 transitions. [2018-12-09 10:45:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 643 transitions. [2018-12-09 10:45:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:45:51,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 326 states and 648 transitions. [2018-12-09 10:45:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 648 transitions. [2018-12-09 10:45:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 10:45:51,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 10:45:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 330 states and 657 transitions. [2018-12-09 10:45:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 657 transitions. [2018-12-09 10:45:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 10:45:51,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 10:45:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 334 states and 678 transitions. [2018-12-09 10:45:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 678 transitions. [2018-12-09 10:45:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 10:45:52,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 10:45:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 345 states and 705 transitions. [2018-12-09 10:45:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 705 transitions. [2018-12-09 10:45:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 10:45:53,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 10:45:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 348 states and 710 transitions. [2018-12-09 10:45:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 710 transitions. [2018-12-09 10:45:53,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 10:45:53,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:54,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:54,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 349 states and 711 transitions. [2018-12-09 10:45:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 711 transitions. [2018-12-09 10:45:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 10:45:54,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 10:45:54,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 350 states and 712 transitions. [2018-12-09 10:45:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 712 transitions. [2018-12-09 10:45:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 10:45:54,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 10:45:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 351 states and 712 transitions. [2018-12-09 10:45:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 712 transitions. [2018-12-09 10:45:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 10:45:54,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 10:45:54,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 356 states and 724 transitions. [2018-12-09 10:45:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 724 transitions. [2018-12-09 10:45:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 10:45:54,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 10:45:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 354 states and 720 transitions. [2018-12-09 10:45:54,691 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 720 transitions. [2018-12-09 10:45:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 10:45:54,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 10:45:54,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:54,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 355 states and 723 transitions. [2018-12-09 10:45:54,932 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 723 transitions. [2018-12-09 10:45:54,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 10:45:54,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 10:45:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 356 states and 723 transitions. [2018-12-09 10:45:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 723 transitions. [2018-12-09 10:45:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 10:45:54,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:54,968 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 10:45:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 358 states and 726 transitions. [2018-12-09 10:45:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 726 transitions. [2018-12-09 10:45:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 10:45:55,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 10:45:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 360 states and 728 transitions. [2018-12-09 10:45:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 728 transitions. [2018-12-09 10:45:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 10:45:55,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 10:45:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 358 states and 724 transitions. [2018-12-09 10:45:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 724 transitions. [2018-12-09 10:45:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 10:45:55,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 10:45:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 359 states and 726 transitions. [2018-12-09 10:45:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 726 transitions. [2018-12-09 10:45:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 10:45:55,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 10:45:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 360 states and 726 transitions. [2018-12-09 10:45:55,590 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 726 transitions. [2018-12-09 10:45:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 10:45:55,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:55,601 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 10:45:55,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 363 states and 733 transitions. [2018-12-09 10:45:55,852 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 733 transitions. [2018-12-09 10:45:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 10:45:55,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:45:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 365 states and 734 transitions. [2018-12-09 10:45:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 734 transitions. [2018-12-09 10:45:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 10:45:56,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 10:45:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:56,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 359 states and 722 transitions. [2018-12-09 10:45:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 722 transitions. [2018-12-09 10:45:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 10:45:56,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 10:45:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 361 states and 725 transitions. [2018-12-09 10:45:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 725 transitions. [2018-12-09 10:45:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 10:45:56,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 10:45:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 363 states and 728 transitions. [2018-12-09 10:45:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 728 transitions. [2018-12-09 10:45:56,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 10:45:56,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 10:45:56,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 364 states and 728 transitions. [2018-12-09 10:45:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 728 transitions. [2018-12-09 10:45:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 10:45:56,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 10:45:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 365 states and 729 transitions. [2018-12-09 10:45:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 729 transitions. [2018-12-09 10:45:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 10:45:56,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 10:45:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:56,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 366 states and 730 transitions. [2018-12-09 10:45:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 730 transitions. [2018-12-09 10:45:56,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 10:45:56,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 10:45:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 359 states and 714 transitions. [2018-12-09 10:45:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 714 transitions. [2018-12-09 10:45:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 10:45:56,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 10:45:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 351 states and 699 transitions. [2018-12-09 10:45:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 699 transitions. [2018-12-09 10:45:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 10:45:57,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 10:45:57,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 353 states and 700 transitions. [2018-12-09 10:45:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 700 transitions. [2018-12-09 10:45:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 10:45:57,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:45:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:45:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 10:45:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:45:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 135 states and 190 transitions. [2018-12-09 10:45:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 190 transitions. [2018-12-09 10:45:57,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:45:57,570 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 103 iterations. [2018-12-09 10:45:57,576 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 10:45:57,876 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,882 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:45:57,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 10:45:57 ImpRootNode [2018-12-09 10:45:57,882 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 10:45:57,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:45:57,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:45:57,882 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:45:57,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:45:33" (3/4) ... [2018-12-09 10:45:57,885 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:45:57,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 10:45:57,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 10:45:57,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 10:45:57,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 10:45:57,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 10:45:57,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 10:45:57,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 10:45:57,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 10:45:57,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-12-09 10:45:57,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 10:45:57,894 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 10:45:57,894 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 10:45:57,894 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 10:45:57,894 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:45:57,912 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && pumpRunning == 0)) || (!(systemActive == 0) && !(pumpRunning == 0)) [2018-12-09 10:45:57,935 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_496e48ea-a07e-472e-9ee4-0eaa94c4ceda/bin-2019/ukojak/witness.graphml [2018-12-09 10:45:57,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:45:57,936 INFO L168 Benchmark]: Toolchain (without parser) took 24988.04 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 616.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -103.2 MB). Peak memory consumption was 513.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:45:57,937 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:45:57,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:45:57,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:45:57,938 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:45:57,938 INFO L168 Benchmark]: RCFGBuilder took 475.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:45:57,938 INFO L168 Benchmark]: CodeCheck took 24134.54 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 478.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -24.0 MB). Peak memory consumption was 454.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:45:57,938 INFO L168 Benchmark]: Witness Printer took 53.55 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:45:57,940 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 9 procedures, 77 locations, 1 error locations. SAFE Result, 23.8s OverallTime, 103 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1394677808 SDtfs, 475874312 SDslu, 1086182912 SDs, 0 SdLazy, 442599084 SolverSat, 1449884120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58456 GetRequests, 57402 SyntacticMatches, 573 SemanticMatches, 481 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142016 ImplicationChecksByTransitivity, 20.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 4869 NumberOfCodeBlocks, 4869 NumberOfCodeBlocksAsserted, 102 NumberOfCheckSat, 4767 ConstructedInterpolants, 0 QuantifiedInterpolants, 488342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 102 InterpolantComputations, 95 PerfectInterpolantSequences, 1921/1958 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: 370]: 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: 56]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && pumpRunning == 0)) || (!(systemActive == 0) && !(pumpRunning == 0)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 475.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. * CodeCheck took 24134.54 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 478.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -24.0 MB). Peak memory consumption was 454.7 MB. Max. memory is 11.5 GB. * Witness Printer took 53.55 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...