./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.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_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/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 1913ae3f80b8ac66a65ed26ad92a6851274156ea .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 12:34:51,776 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 12:34:51,777 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 12:34:51,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 12:34:51,783 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 12:34:51,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 12:34:51,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 12:34:51,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 12:34:51,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 12:34:51,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 12:34:51,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 12:34:51,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 12:34:51,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 12:34:51,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 12:34:51,788 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 12:34:51,789 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 12:34:51,789 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 12:34:51,790 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 12:34:51,791 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 12:34:51,792 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 12:34:51,793 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 12:34:51,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 12:34:51,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 12:34:51,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 12:34:51,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 12:34:51,795 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 12:34:51,796 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 12:34:51,796 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 12:34:51,797 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 12:34:51,797 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 12:34:51,797 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 12:34:51,798 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 12:34:51,798 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 12:34:51,798 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 12:34:51,799 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 12:34:51,799 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 12:34:51,799 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 12:34:51,806 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 12:34:51,806 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 12:34:51,807 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 12:34:51,807 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 12:34:51,807 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 12:34:51,808 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 12:34:51,808 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 12:34:51,808 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 12:34:51,808 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 12:34:51,808 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 12:34:51,808 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 12:34:51,808 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 12:34:51,808 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 12:34:51,808 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 12:34:51,809 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 12:34:51,809 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 12:34:51,809 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 12:34:51,809 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 12:34:51,809 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 12:34:51,809 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 12:34:51,809 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 12:34:51,809 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 12:34:51,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 12:34:51,810 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 12:34:51,810 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 12:34:51,810 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 12:34:51,810 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 12:34:51,810 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 12:34:51,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 12:34:51,810 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_7918b000-bf75-4f86-a560-9ff9db6e180a/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 -> 1913ae3f80b8ac66a65ed26ad92a6851274156ea [2018-12-01 12:34:51,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 12:34:51,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 12:34:51,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 12:34:51,841 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 12:34:51,841 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 12:34:51,841 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c [2018-12-01 12:34:51,874 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/data/200f2b43f/a55443038d92469884c3e6b5c6b69544/FLAGfb2784d40 [2018-12-01 12:34:52,357 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 12:34:52,358 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c [2018-12-01 12:34:52,365 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/data/200f2b43f/a55443038d92469884c3e6b5c6b69544/FLAGfb2784d40 [2018-12-01 12:34:52,373 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/data/200f2b43f/a55443038d92469884c3e6b5c6b69544 [2018-12-01 12:34:52,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 12:34:52,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 12:34:52,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 12:34:52,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 12:34:52,379 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 12:34:52,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52, skipping insertion in model container [2018-12-01 12:34:52,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 12:34:52,415 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 12:34:52,606 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:34:52,610 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 12:34:52,718 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:34:52,731 INFO L195 MainTranslator]: Completed translation [2018-12-01 12:34:52,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52 WrapperNode [2018-12-01 12:34:52,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 12:34:52,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 12:34:52,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 12:34:52,732 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 12:34:52,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 12:34:52,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 12:34:52,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 12:34:52,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 12:34:52,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... [2018-12-01 12:34:52,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 12:34:52,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 12:34:52,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 12:34:52,800 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 12:34:52,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:34:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/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 [2018-12-01 12:34:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 12:34:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 12:34:53,880 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 12:34:53,881 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 12:34:53,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:53 BoogieIcfgContainer [2018-12-01 12:34:53,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 12:34:53,881 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 12:34:53,882 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 12:34:53,889 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 12:34:53,889 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:53" (1/1) ... [2018-12-01 12:34:53,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 12:34:53,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 12:34:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 12:34:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 12:34:53,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-01 12:34:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-01 12:34:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 12:34:54,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 12:34:54,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 243 transitions. [2018-12-01 12:34:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2018-12-01 12:34:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 12:34:54,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-01 12:34:54,771 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-01 12:34:54,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 12:34:54,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-01 12:34:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-01 12:34:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 12:34:55,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:55,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 217 states and 319 transitions. [2018-12-01 12:34:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2018-12-01 12:34:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 12:34:55,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 12:34:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2018-12-01 12:34:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2018-12-01 12:34:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 12:34:56,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 12:34:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 256 states and 375 transitions. [2018-12-01 12:34:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 375 transitions. [2018-12-01 12:34:56,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 12:34:56,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2018-12-01 12:34:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2018-12-01 12:34:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 12:34:56,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 264 states and 387 transitions. [2018-12-01 12:34:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2018-12-01 12:34:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 12:34:56,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 267 states and 391 transitions. [2018-12-01 12:34:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 391 transitions. [2018-12-01 12:34:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 12:34:56,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 290 states and 425 transitions. [2018-12-01 12:34:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 425 transitions. [2018-12-01 12:34:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 12:34:57,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:34:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 369 states and 507 transitions. [2018-12-01 12:34:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 507 transitions. [2018-12-01 12:34:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 12:34:58,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 387 states and 529 transitions. [2018-12-01 12:34:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 529 transitions. [2018-12-01 12:34:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 12:34:58,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 389 states and 530 transitions. [2018-12-01 12:34:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 530 transitions. [2018-12-01 12:34:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 12:34:58,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:34:59,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:34:59,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 411 states and 564 transitions. [2018-12-01 12:34:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 564 transitions. [2018-12-01 12:34:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 12:34:59,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:34:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:34:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 429 states and 586 transitions. [2018-12-01 12:35:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 586 transitions. [2018-12-01 12:35:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 12:35:00,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 432 states and 589 transitions. [2018-12-01 12:35:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 589 transitions. [2018-12-01 12:35:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 12:35:00,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 435 states and 592 transitions. [2018-12-01 12:35:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 592 transitions. [2018-12-01 12:35:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 12:35:00,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:00,805 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:00,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 438 states and 595 transitions. [2018-12-01 12:35:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 595 transitions. [2018-12-01 12:35:00,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 12:35:00,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 445 states and 603 transitions. [2018-12-01 12:35:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 603 transitions. [2018-12-01 12:35:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 12:35:01,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 459 states and 623 transitions. [2018-12-01 12:35:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 623 transitions. [2018-12-01 12:35:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 12:35:01,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 491 states and 668 transitions. [2018-12-01 12:35:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 668 transitions. [2018-12-01 12:35:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 12:35:03,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 497 states and 678 transitions. [2018-12-01 12:35:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 678 transitions. [2018-12-01 12:35:04,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 12:35:04,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 500 states and 682 transitions. [2018-12-01 12:35:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 682 transitions. [2018-12-01 12:35:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 12:35:04,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 504 states and 687 transitions. [2018-12-01 12:35:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 687 transitions. [2018-12-01 12:35:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 12:35:05,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 505 states and 687 transitions. [2018-12-01 12:35:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 687 transitions. [2018-12-01 12:35:05,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 12:35:05,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 516 states and 699 transitions. [2018-12-01 12:35:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 699 transitions. [2018-12-01 12:35:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 12:35:05,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 517 states and 699 transitions. [2018-12-01 12:35:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 699 transitions. [2018-12-01 12:35:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 12:35:05,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 541 states and 732 transitions. [2018-12-01 12:35:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 732 transitions. [2018-12-01 12:35:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 12:35:07,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:08,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 549 states and 749 transitions. [2018-12-01 12:35:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 749 transitions. [2018-12-01 12:35:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 12:35:08,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 560 states and 762 transitions. [2018-12-01 12:35:08,662 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 762 transitions. [2018-12-01 12:35:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 12:35:08,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 564 states and 767 transitions. [2018-12-01 12:35:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 767 transitions. [2018-12-01 12:35:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 12:35:09,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:09,084 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 565 states and 767 transitions. [2018-12-01 12:35:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 767 transitions. [2018-12-01 12:35:09,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 12:35:09,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 566 states and 768 transitions. [2018-12-01 12:35:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 768 transitions. [2018-12-01 12:35:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 12:35:09,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 568 states and 770 transitions. [2018-12-01 12:35:09,752 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 770 transitions. [2018-12-01 12:35:09,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 12:35:09,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 574 states and 780 transitions. [2018-12-01 12:35:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 780 transitions. [2018-12-01 12:35:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 12:35:10,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 12:35:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 583 states and 791 transitions. [2018-12-01 12:35:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 791 transitions. [2018-12-01 12:35:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 12:35:11,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:11,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 586 states and 793 transitions. [2018-12-01 12:35:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 793 transitions. [2018-12-01 12:35:11,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 12:35:11,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 589 states and 796 transitions. [2018-12-01 12:35:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 796 transitions. [2018-12-01 12:35:12,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 12:35:12,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 601 states and 810 transitions. [2018-12-01 12:35:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 810 transitions. [2018-12-01 12:35:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 12:35:12,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 604 states and 814 transitions. [2018-12-01 12:35:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 814 transitions. [2018-12-01 12:35:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 12:35:12,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:13,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 619 states and 832 transitions. [2018-12-01 12:35:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 832 transitions. [2018-12-01 12:35:13,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 12:35:13,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 12:35:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 625 states and 838 transitions. [2018-12-01 12:35:13,461 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 838 transitions. [2018-12-01 12:35:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-01 12:35:13,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 649 states and 868 transitions. [2018-12-01 12:35:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 868 transitions. [2018-12-01 12:35:14,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 12:35:14,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 653 states and 876 transitions. [2018-12-01 12:35:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 876 transitions. [2018-12-01 12:35:15,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 12:35:15,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 12:35:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:15,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 659 states and 883 transitions. [2018-12-01 12:35:15,556 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 883 transitions. [2018-12-01 12:35:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 12:35:15,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 666 states and 893 transitions. [2018-12-01 12:35:16,236 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 893 transitions. [2018-12-01 12:35:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 12:35:16,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 702 states and 933 transitions. [2018-12-01 12:35:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 933 transitions. [2018-12-01 12:35:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 12:35:17,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 12:35:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 732 states and 969 transitions. [2018-12-01 12:35:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 969 transitions. [2018-12-01 12:35:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 12:35:20,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 737 states and 975 transitions. [2018-12-01 12:35:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 975 transitions. [2018-12-01 12:35:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 12:35:20,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 738 states and 975 transitions. [2018-12-01 12:35:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 975 transitions. [2018-12-01 12:35:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 12:35:20,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 742 states and 980 transitions. [2018-12-01 12:35:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 980 transitions. [2018-12-01 12:35:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 12:35:20,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 764 states and 1008 transitions. [2018-12-01 12:35:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1008 transitions. [2018-12-01 12:35:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 12:35:21,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 776 states and 1023 transitions. [2018-12-01 12:35:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1023 transitions. [2018-12-01 12:35:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 12:35:22,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 782 states and 1029 transitions. [2018-12-01 12:35:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1029 transitions. [2018-12-01 12:35:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 12:35:22,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 800 states and 1055 transitions. [2018-12-01 12:35:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1055 transitions. [2018-12-01 12:35:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 12:35:23,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 812 states and 1068 transitions. [2018-12-01 12:35:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1068 transitions. [2018-12-01 12:35:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 12:35:23,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:24,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 816 states and 1073 transitions. [2018-12-01 12:35:24,161 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1073 transitions. [2018-12-01 12:35:24,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 12:35:24,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 821 states and 1077 transitions. [2018-12-01 12:35:24,302 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1077 transitions. [2018-12-01 12:35:24,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 12:35:24,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:24,322 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:24,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 823 states and 1079 transitions. [2018-12-01 12:35:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1079 transitions. [2018-12-01 12:35:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 12:35:24,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 859 states and 1118 transitions. [2018-12-01 12:35:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1118 transitions. [2018-12-01 12:35:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 12:35:24,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:27,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 884 states and 1152 transitions. [2018-12-01 12:35:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1152 transitions. [2018-12-01 12:35:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 12:35:27,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 12:35:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 897 states and 1166 transitions. [2018-12-01 12:35:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1166 transitions. [2018-12-01 12:35:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 12:35:28,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 12:35:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 898 states and 1167 transitions. [2018-12-01 12:35:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1167 transitions. [2018-12-01 12:35:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 12:35:28,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 12:35:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 900 states and 1169 transitions. [2018-12-01 12:35:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1169 transitions. [2018-12-01 12:35:29,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 12:35:29,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 945 states and 1217 transitions. [2018-12-01 12:35:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1217 transitions. [2018-12-01 12:35:31,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 12:35:31,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 12:35:31,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 946 states and 1219 transitions. [2018-12-01 12:35:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1219 transitions. [2018-12-01 12:35:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 12:35:31,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 12:35:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 949 states and 1222 transitions. [2018-12-01 12:35:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1222 transitions. [2018-12-01 12:35:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 12:35:31,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:31,361 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 12:35:31,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:31,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 950 states and 1222 transitions. [2018-12-01 12:35:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1222 transitions. [2018-12-01 12:35:31,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 12:35:31,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:31,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 991 states and 1268 transitions. [2018-12-01 12:35:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1268 transitions. [2018-12-01 12:35:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 12:35:31,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:35:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 992 states and 1268 transitions. [2018-12-01 12:35:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1268 transitions. [2018-12-01 12:35:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 12:35:32,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 12:35:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1011 states and 1287 transitions. [2018-12-01 12:35:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1287 transitions. [2018-12-01 12:35:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 12:35:32,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 12:35:33,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1103 states and 1381 transitions. [2018-12-01 12:35:33,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1381 transitions. [2018-12-01 12:35:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 12:35:33,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1105 states and 1384 transitions. [2018-12-01 12:35:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1384 transitions. [2018-12-01 12:35:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 12:35:33,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1106 states and 1384 transitions. [2018-12-01 12:35:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1384 transitions. [2018-12-01 12:35:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 12:35:33,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 12:35:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1124 states and 1406 transitions. [2018-12-01 12:35:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1406 transitions. [2018-12-01 12:35:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 12:35:34,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 12:35:35,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1141 states and 1423 transitions. [2018-12-01 12:35:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1423 transitions. [2018-12-01 12:35:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 12:35:35,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 12:35:35,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1146 states and 1426 transitions. [2018-12-01 12:35:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1426 transitions. [2018-12-01 12:35:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 12:35:35,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 12:35:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1157 states and 1438 transitions. [2018-12-01 12:35:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1438 transitions. [2018-12-01 12:35:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 12:35:36,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 12:35:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1161 states and 1441 transitions. [2018-12-01 12:35:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1441 transitions. [2018-12-01 12:35:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 12:35:36,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 12:35:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1164 states and 1443 transitions. [2018-12-01 12:35:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1443 transitions. [2018-12-01 12:35:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 12:35:37,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1191 states and 1471 transitions. [2018-12-01 12:35:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1471 transitions. [2018-12-01 12:35:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 12:35:37,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1192 states and 1471 transitions. [2018-12-01 12:35:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1471 transitions. [2018-12-01 12:35:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 12:35:37,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 12:35:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1202 states and 1485 transitions. [2018-12-01 12:35:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1485 transitions. [2018-12-01 12:35:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 12:35:38,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1212 states and 1497 transitions. [2018-12-01 12:35:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1497 transitions. [2018-12-01 12:35:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 12:35:39,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1215 states and 1500 transitions. [2018-12-01 12:35:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1500 transitions. [2018-12-01 12:35:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 12:35:39,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 12:35:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1221 states and 1507 transitions. [2018-12-01 12:35:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1507 transitions. [2018-12-01 12:35:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 12:35:40,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:41,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1252 states and 1541 transitions. [2018-12-01 12:35:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1541 transitions. [2018-12-01 12:35:41,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 12:35:41,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1255 states and 1543 transitions. [2018-12-01 12:35:41,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1543 transitions. [2018-12-01 12:35:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 12:35:41,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 12:35:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1260 states and 1550 transitions. [2018-12-01 12:35:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1550 transitions. [2018-12-01 12:35:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 12:35:42,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:43,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:43,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1287 states and 1576 transitions. [2018-12-01 12:35:43,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1576 transitions. [2018-12-01 12:35:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 12:35:43,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1330 states and 1626 transitions. [2018-12-01 12:35:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1626 transitions. [2018-12-01 12:35:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 12:35:44,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 127 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-01 12:35:45,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1335 states and 1631 transitions. [2018-12-01 12:35:45,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1631 transitions. [2018-12-01 12:35:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 12:35:45,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:35:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1336 states and 1631 transitions. [2018-12-01 12:35:45,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1631 transitions. [2018-12-01 12:35:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:45,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 131 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-01 12:35:46,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:46,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1356 states and 1656 transitions. [2018-12-01 12:35:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1656 transitions. [2018-12-01 12:35:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:46,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 131 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-01 12:35:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1364 states and 1663 transitions. [2018-12-01 12:35:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1663 transitions. [2018-12-01 12:35:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:47,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1384 states and 1689 transitions. [2018-12-01 12:35:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1689 transitions. [2018-12-01 12:35:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:48,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1395 states and 1705 transitions. [2018-12-01 12:35:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1705 transitions. [2018-12-01 12:35:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:49,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1407 states and 1719 transitions. [2018-12-01 12:35:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1719 transitions. [2018-12-01 12:35:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:50,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1410 states and 1722 transitions. [2018-12-01 12:35:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1722 transitions. [2018-12-01 12:35:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:50,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1411 states and 1724 transitions. [2018-12-01 12:35:50,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1724 transitions. [2018-12-01 12:35:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:50,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1414 states and 1727 transitions. [2018-12-01 12:35:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1727 transitions. [2018-12-01 12:35:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:51,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1417 states and 1730 transitions. [2018-12-01 12:35:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1730 transitions. [2018-12-01 12:35:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:51,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1433 states and 1747 transitions. [2018-12-01 12:35:52,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1747 transitions. [2018-12-01 12:35:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:52,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1438 states and 1754 transitions. [2018-12-01 12:35:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1754 transitions. [2018-12-01 12:35:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:52,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1441 states and 1757 transitions. [2018-12-01 12:35:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1757 transitions. [2018-12-01 12:35:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 12:35:53,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1453 states and 1769 transitions. [2018-12-01 12:35:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1769 transitions. [2018-12-01 12:35:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 12:35:53,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 12:35:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1477 states and 1792 transitions. [2018-12-01 12:35:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1792 transitions. [2018-12-01 12:35:53,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 12:35:53,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 12:35:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1482 states and 1799 transitions. [2018-12-01 12:35:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1799 transitions. [2018-12-01 12:35:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:54,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1507 states and 1833 transitions. [2018-12-01 12:35:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1833 transitions. [2018-12-01 12:35:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:55,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1516 states and 1848 transitions. [2018-12-01 12:35:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1848 transitions. [2018-12-01 12:35:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:56,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1519 states and 1851 transitions. [2018-12-01 12:35:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1851 transitions. [2018-12-01 12:35:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:57,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1522 states and 1854 transitions. [2018-12-01 12:35:57,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1854 transitions. [2018-12-01 12:35:57,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:57,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1525 states and 1857 transitions. [2018-12-01 12:35:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1857 transitions. [2018-12-01 12:35:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:58,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1534 states and 1866 transitions. [2018-12-01 12:35:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1866 transitions. [2018-12-01 12:35:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:58,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:58,617 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1538 states and 1872 transitions. [2018-12-01 12:35:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1872 transitions. [2018-12-01 12:35:59,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:59,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1540 states and 1875 transitions. [2018-12-01 12:35:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1875 transitions. [2018-12-01 12:35:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:59,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:35:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 12:35:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:35:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1546 states and 1880 transitions. [2018-12-01 12:35:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1880 transitions. [2018-12-01 12:35:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:35:59,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:35:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:00,072 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 12:36:00,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1553 states and 1887 transitions. [2018-12-01 12:36:00,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1887 transitions. [2018-12-01 12:36:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 12:36:00,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 12:36:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1566 states and 1900 transitions. [2018-12-01 12:36:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1900 transitions. [2018-12-01 12:36:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 12:36:00,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 12:36:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1581 states and 1919 transitions. [2018-12-01 12:36:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1919 transitions. [2018-12-01 12:36:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 12:36:01,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 12:36:02,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:02,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1605 states and 1945 transitions. [2018-12-01 12:36:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1945 transitions. [2018-12-01 12:36:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 12:36:02,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:36:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1618 states and 1963 transitions. [2018-12-01 12:36:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1963 transitions. [2018-12-01 12:36:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 12:36:03,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:36:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1659 states and 2005 transitions. [2018-12-01 12:36:06,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2005 transitions. [2018-12-01 12:36:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 12:36:06,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:36:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1660 states and 2005 transitions. [2018-12-01 12:36:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2005 transitions. [2018-12-01 12:36:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 12:36:06,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:36:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1673 states and 2018 transitions. [2018-12-01 12:36:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2018 transitions. [2018-12-01 12:36:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 12:36:06,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 12:36:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1701 states and 2045 transitions. [2018-12-01 12:36:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2045 transitions. [2018-12-01 12:36:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:06,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 12:36:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:08,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1726 states and 2083 transitions. [2018-12-01 12:36:08,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2083 transitions. [2018-12-01 12:36:08,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:08,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1739 states and 2101 transitions. [2018-12-01 12:36:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2101 transitions. [2018-12-01 12:36:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:08,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 12:36:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 1742 states and 2104 transitions. [2018-12-01 12:36:09,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2104 transitions. [2018-12-01 12:36:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:09,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 12:36:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1750 states and 2115 transitions. [2018-12-01 12:36:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2115 transitions. [2018-12-01 12:36:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:10,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 12:36:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1753 states and 2118 transitions. [2018-12-01 12:36:11,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2118 transitions. [2018-12-01 12:36:11,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:11,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1754 states and 2119 transitions. [2018-12-01 12:36:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2119 transitions. [2018-12-01 12:36:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:11,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1769 states and 2134 transitions. [2018-12-01 12:36:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2134 transitions. [2018-12-01 12:36:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:14,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 12:36:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1772 states and 2137 transitions. [2018-12-01 12:36:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2137 transitions. [2018-12-01 12:36:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:15,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1784 states and 2151 transitions. [2018-12-01 12:36:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2151 transitions. [2018-12-01 12:36:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:15,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1790 states and 2157 transitions. [2018-12-01 12:36:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2157 transitions. [2018-12-01 12:36:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 12:36:15,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1793 states and 2159 transitions. [2018-12-01 12:36:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2159 transitions. [2018-12-01 12:36:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-01 12:36:16,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 159 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 12:36:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1797 states and 2163 transitions. [2018-12-01 12:36:16,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2163 transitions. [2018-12-01 12:36:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-01 12:36:16,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 12:36:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:16,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1803 states and 2169 transitions. [2018-12-01 12:36:16,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2169 transitions. [2018-12-01 12:36:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 12:36:16,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1807 states and 2173 transitions. [2018-12-01 12:36:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2173 transitions. [2018-12-01 12:36:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 12:36:16,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1813 states and 2179 transitions. [2018-12-01 12:36:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2179 transitions. [2018-12-01 12:36:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 12:36:17,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 1816 states and 2184 transitions. [2018-12-01 12:36:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2184 transitions. [2018-12-01 12:36:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 12:36:17,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1826 states and 2194 transitions. [2018-12-01 12:36:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2194 transitions. [2018-12-01 12:36:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 12:36:18,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 147 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:19,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1855 states and 2225 transitions. [2018-12-01 12:36:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2225 transitions. [2018-12-01 12:36:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 12:36:19,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 12:36:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1894 states and 2270 transitions. [2018-12-01 12:36:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2270 transitions. [2018-12-01 12:36:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 12:36:19,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 12:36:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:20,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1899 states and 2275 transitions. [2018-12-01 12:36:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2275 transitions. [2018-12-01 12:36:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 12:36:20,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 12:36:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1901 states and 2276 transitions. [2018-12-01 12:36:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2276 transitions. [2018-12-01 12:36:20,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 12:36:20,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 12:36:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1906 states and 2280 transitions. [2018-12-01 12:36:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2280 transitions. [2018-12-01 12:36:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 12:36:20,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:21,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 1985 states and 2362 transitions. [2018-12-01 12:36:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2362 transitions. [2018-12-01 12:36:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-01 12:36:21,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 223 proven. 28 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2081 states and 2470 transitions. [2018-12-01 12:36:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2470 transitions. [2018-12-01 12:36:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-01 12:36:27,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2088 states and 2479 transitions. [2018-12-01 12:36:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2479 transitions. [2018-12-01 12:36:29,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-01 12:36:29,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 237 proven. 42 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:36:29,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:29,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2095 states and 2488 transitions. [2018-12-01 12:36:29,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2488 transitions. [2018-12-01 12:36:29,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-01 12:36:29,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:36:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2163 states and 2563 transitions. [2018-12-01 12:36:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2563 transitions. [2018-12-01 12:36:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-01 12:36:32,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:36:34,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2179 states and 2578 transitions. [2018-12-01 12:36:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2578 transitions. [2018-12-01 12:36:34,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-01 12:36:34,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:36:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2182 states and 2580 transitions. [2018-12-01 12:36:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2580 transitions. [2018-12-01 12:36:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-01 12:36:34,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:34,583 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:36:35,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:35,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2190 states and 2588 transitions. [2018-12-01 12:36:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2588 transitions. [2018-12-01 12:36:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-01 12:36:35,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:36:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:36,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2193 states and 2590 transitions. [2018-12-01 12:36:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2590 transitions. [2018-12-01 12:36:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-01 12:36:36,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 179 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-01 12:36:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2253 states and 2648 transitions. [2018-12-01 12:36:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2648 transitions. [2018-12-01 12:36:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-01 12:36:37,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2257 states and 2652 transitions. [2018-12-01 12:36:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2652 transitions. [2018-12-01 12:36:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-01 12:36:37,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2263 states and 2662 transitions. [2018-12-01 12:36:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2662 transitions. [2018-12-01 12:36:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-01 12:36:37,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2266 states and 2665 transitions. [2018-12-01 12:36:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2665 transitions. [2018-12-01 12:36:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-01 12:36:38,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:38,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2269 states and 2668 transitions. [2018-12-01 12:36:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2668 transitions. [2018-12-01 12:36:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-01 12:36:38,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 12:36:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2272 states and 2671 transitions. [2018-12-01 12:36:38,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2671 transitions. [2018-12-01 12:36:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 12:36:38,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 12:36:45,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:45,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2321 states and 2727 transitions. [2018-12-01 12:36:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 2727 transitions. [2018-12-01 12:36:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:45,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2338 states and 2750 transitions. [2018-12-01 12:36:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2750 transitions. [2018-12-01 12:36:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:45,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:45,945 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2341 states and 2754 transitions. [2018-12-01 12:36:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 2754 transitions. [2018-12-01 12:36:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:46,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2344 states and 2757 transitions. [2018-12-01 12:36:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2757 transitions. [2018-12-01 12:36:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:46,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2347 states and 2761 transitions. [2018-12-01 12:36:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2761 transitions. [2018-12-01 12:36:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:47,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2353 states and 2767 transitions. [2018-12-01 12:36:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2767 transitions. [2018-12-01 12:36:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:48,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2359 states and 2777 transitions. [2018-12-01 12:36:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2777 transitions. [2018-12-01 12:36:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:48,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:49,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2362 states and 2780 transitions. [2018-12-01 12:36:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2780 transitions. [2018-12-01 12:36:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:49,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 12:36:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2365 states and 2783 transitions. [2018-12-01 12:36:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2783 transitions. [2018-12-01 12:36:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:49,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 12:36:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2371 states and 2788 transitions. [2018-12-01 12:36:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2788 transitions. [2018-12-01 12:36:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 12:36:50,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:50,213 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 12:36:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2411 states and 2827 transitions. [2018-12-01 12:36:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2827 transitions. [2018-12-01 12:36:50,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 12:36:50,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 252 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 12:36:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:50,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2415 states and 2831 transitions. [2018-12-01 12:36:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 2831 transitions. [2018-12-01 12:36:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 12:36:50,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 252 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 12:36:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2419 states and 2835 transitions. [2018-12-01 12:36:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 2835 transitions. [2018-12-01 12:36:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 12:36:51,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:36:52,208 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 12:36:53,762 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-01 12:36:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:36:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2488 states and 2903 transitions. [2018-12-01 12:36:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 2903 transitions. [2018-12-01 12:36:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 12:36:59,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:36:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:37:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2492 states and 2911 transitions. [2018-12-01 12:37:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 2911 transitions. [2018-12-01 12:37:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 12:37:05,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:37:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2495 states and 2915 transitions. [2018-12-01 12:37:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2915 transitions. [2018-12-01 12:37:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 12:37:06,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 12:37:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2503 states and 2923 transitions. [2018-12-01 12:37:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 2923 transitions. [2018-12-01 12:37:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-01 12:37:13,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 261 proven. 61 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:37:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2542 states and 2965 transitions. [2018-12-01 12:37:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 2965 transitions. [2018-12-01 12:37:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-01 12:37:18,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-01 12:37:22,916 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 12:37:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 2601 states and 3024 transitions. [2018-12-01 12:37:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3024 transitions. [2018-12-01 12:37:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-01 12:37:25,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-01 12:37:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:25,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 2603 states and 3025 transitions. [2018-12-01 12:37:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3025 transitions. [2018-12-01 12:37:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-01 12:37:25,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 260 proven. 68 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:37:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 2624 states and 3046 transitions. [2018-12-01 12:37:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 3046 transitions. [2018-12-01 12:37:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 12:37:26,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-01 12:37:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 2625 states and 3046 transitions. [2018-12-01 12:37:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3046 transitions. [2018-12-01 12:37:26,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-01 12:37:26,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-01 12:37:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 2626 states and 3047 transitions. [2018-12-01 12:37:26,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3047 transitions. [2018-12-01 12:37:26,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-01 12:37:26,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-01 12:37:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2654 states and 3076 transitions. [2018-12-01 12:37:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3076 transitions. [2018-12-01 12:37:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-01 12:37:35,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-01 12:37:39,187 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-01 12:37:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:41,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 2670 states and 3092 transitions. [2018-12-01 12:37:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3092 transitions. [2018-12-01 12:37:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-01 12:37:41,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-01 12:37:43,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2711 states and 3133 transitions. [2018-12-01 12:37:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3133 transitions. [2018-12-01 12:37:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-01 12:37:43,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 12:37:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 2754 states and 3182 transitions. [2018-12-01 12:37:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3182 transitions. [2018-12-01 12:37:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-01 12:37:45,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:37:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 2806 states and 3235 transitions. [2018-12-01 12:37:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3235 transitions. [2018-12-01 12:37:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-01 12:37:48,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 12:37:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 2809 states and 3238 transitions. [2018-12-01 12:37:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3238 transitions. [2018-12-01 12:37:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 12:37:48,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 12:37:51,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2821 states and 3250 transitions. [2018-12-01 12:37:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3250 transitions. [2018-12-01 12:37:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 12:37:51,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 12:37:54,772 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-01 12:37:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 2842 states and 3272 transitions. [2018-12-01 12:37:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3272 transitions. [2018-12-01 12:37:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 12:37:55,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 12:37:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 2849 states and 3278 transitions. [2018-12-01 12:37:57,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 3278 transitions. [2018-12-01 12:37:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 12:37:57,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 12:37:58,304 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 12:37:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:37:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 2855 states and 3283 transitions. [2018-12-01 12:37:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3283 transitions. [2018-12-01 12:37:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 12:37:59,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:37:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:37:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-01 12:38:03,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 2888 states and 3315 transitions. [2018-12-01 12:38:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3315 transitions. [2018-12-01 12:38:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 12:38:03,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-01 12:38:04,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 2896 states and 3322 transitions. [2018-12-01 12:38:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3322 transitions. [2018-12-01 12:38:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 12:38:04,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 283 proven. 15 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 12:38:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:05,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3341 states to 2912 states and 3341 transitions. [2018-12-01 12:38:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3341 transitions. [2018-12-01 12:38:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-01 12:38:05,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 12:38:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 2921 states and 3352 transitions. [2018-12-01 12:38:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 3352 transitions. [2018-12-01 12:38:06,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-01 12:38:06,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 351 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 12:38:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:19,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3081 states and 3528 transitions. [2018-12-01 12:38:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3081 states and 3528 transitions. [2018-12-01 12:38:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:19,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:19,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3085 states and 3533 transitions. [2018-12-01 12:38:19,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3533 transitions. [2018-12-01 12:38:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:19,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:20,007 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:20,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3095 states and 3546 transitions. [2018-12-01 12:38:20,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3546 transitions. [2018-12-01 12:38:20,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:20,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3101 states and 3552 transitions. [2018-12-01 12:38:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 3552 transitions. [2018-12-01 12:38:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:21,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3104 states and 3555 transitions. [2018-12-01 12:38:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 3555 transitions. [2018-12-01 12:38:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:21,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:23,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:23,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3110 states and 3563 transitions. [2018-12-01 12:38:23,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 3563 transitions. [2018-12-01 12:38:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:23,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3115 states and 3570 transitions. [2018-12-01 12:38:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3570 transitions. [2018-12-01 12:38:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:25,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3119 states and 3574 transitions. [2018-12-01 12:38:29,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 3574 transitions. [2018-12-01 12:38:29,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:29,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3151 states and 3617 transitions. [2018-12-01 12:38:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 3617 transitions. [2018-12-01 12:38:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:34,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3163 states and 3632 transitions. [2018-12-01 12:38:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 3632 transitions. [2018-12-01 12:38:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:39,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3635 states to 3167 states and 3635 transitions. [2018-12-01 12:38:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3167 states and 3635 transitions. [2018-12-01 12:38:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:41,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3175 states and 3643 transitions. [2018-12-01 12:38:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 3643 transitions. [2018-12-01 12:38:43,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:43,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:43,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3176 states and 3643 transitions. [2018-12-01 12:38:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3643 transitions. [2018-12-01 12:38:43,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:43,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3179 states and 3646 transitions. [2018-12-01 12:38:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3646 transitions. [2018-12-01 12:38:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 12:38:44,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 12:38:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3182 states and 3649 transitions. [2018-12-01 12:38:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3182 states and 3649 transitions. [2018-12-01 12:38:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 12:38:45,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 12:38:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3218 states and 3689 transitions. [2018-12-01 12:38:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3689 transitions. [2018-12-01 12:38:51,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 12:38:51,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 12:38:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:38:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3281 states and 3751 transitions. [2018-12-01 12:38:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3751 transitions. [2018-12-01 12:38:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 12:38:57,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:38:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:38:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 12:39:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:03,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3328 states and 3796 transitions. [2018-12-01 12:39:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 3796 transitions. [2018-12-01 12:39:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 12:39:03,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 12:39:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:03,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3333 states and 3800 transitions. [2018-12-01 12:39:03,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 3800 transitions. [2018-12-01 12:39:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 12:39:03,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 12:39:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3343 states and 3808 transitions. [2018-12-01 12:39:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3343 states and 3808 transitions. [2018-12-01 12:39:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 12:39:04,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 12:39:05,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:05,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3347 states and 3811 transitions. [2018-12-01 12:39:05,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3347 states and 3811 transitions. [2018-12-01 12:39:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-01 12:39:05,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 321 proven. 15 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-01 12:39:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3361 states and 3824 transitions. [2018-12-01 12:39:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 3824 transitions. [2018-12-01 12:39:06,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 12:39:06,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-01 12:39:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3366 states and 3828 transitions. [2018-12-01 12:39:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 3828 transitions. [2018-12-01 12:39:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 12:39:06,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-01 12:39:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3401 states and 3863 transitions. [2018-12-01 12:39:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 3863 transitions. [2018-12-01 12:39:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 12:39:15,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-01 12:39:15,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:15,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3402 states and 3863 transitions. [2018-12-01 12:39:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 3863 transitions. [2018-12-01 12:39:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-01 12:39:15,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-01 12:39:17,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:17,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 3427 states and 3887 transitions. [2018-12-01 12:39:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 3887 transitions. [2018-12-01 12:39:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-01 12:39:17,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 323 proven. 15 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-12-01 12:39:17,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3457 states and 3916 transitions. [2018-12-01 12:39:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3457 states and 3916 transitions. [2018-12-01 12:39:17,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-12-01 12:39:17,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 595 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 12:39:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3498 states and 3966 transitions. [2018-12-01 12:39:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 3966 transitions. [2018-12-01 12:39:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-12-01 12:39:24,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 595 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 12:39:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3504 states and 3971 transitions. [2018-12-01 12:39:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3504 states and 3971 transitions. [2018-12-01 12:39:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-01 12:39:26,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-01 12:39:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 3524 states and 4001 transitions. [2018-12-01 12:39:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 4001 transitions. [2018-12-01 12:39:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-01 12:39:34,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-01 12:39:36,882 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 12:39:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 3529 states and 4007 transitions. [2018-12-01 12:39:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3529 states and 4007 transitions. [2018-12-01 12:39:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-01 12:39:37,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:37,891 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-01 12:39:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4017 states to 3540 states and 4017 transitions. [2018-12-01 12:39:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4017 transitions. [2018-12-01 12:39:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-01 12:39:40,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-01 12:39:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 3615 states and 4094 transitions. [2018-12-01 12:39:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4094 transitions. [2018-12-01 12:39:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-01 12:39:45,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-01 12:39:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 3618 states and 4097 transitions. [2018-12-01 12:39:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4097 transitions. [2018-12-01 12:39:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-01 12:39:47,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 389 proven. 15 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-12-01 12:39:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 3622 states and 4100 transitions. [2018-12-01 12:39:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3622 states and 4100 transitions. [2018-12-01 12:39:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-01 12:39:48,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 513 proven. 20 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2018-12-01 12:39:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:50,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 3665 states and 4140 transitions. [2018-12-01 12:39:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 4140 transitions. [2018-12-01 12:39:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-12-01 12:39:50,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2018-12-01 12:39:55,650 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 12:39:57,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 3723 states and 4199 transitions. [2018-12-01 12:39:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 4199 transitions. [2018-12-01 12:39:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-12-01 12:39:57,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2018-12-01 12:39:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 3723 states and 4198 transitions. [2018-12-01 12:39:58,846 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 4198 transitions. [2018-12-01 12:39:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-12-01 12:39:58,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2018-12-01 12:39:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 3695 states and 4169 transitions. [2018-12-01 12:39:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 4169 transitions. [2018-12-01 12:39:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 12:39:59,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:39:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 427 proven. 15 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2018-12-01 12:39:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:39:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4172 states to 3699 states and 4172 transitions. [2018-12-01 12:39:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 3699 states and 4172 transitions. [2018-12-01 12:39:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 12:39:59,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:39:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 427 proven. 15 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2018-12-01 12:40:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2602 states and 2915 transitions. [2018-12-01 12:40:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 2915 transitions. [2018-12-01 12:40:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2018-12-01 12:40:01,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2018-12-01 12:40:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2607 states and 2919 transitions. [2018-12-01 12:40:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 2919 transitions. [2018-12-01 12:40:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-12-01 12:40:02,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2018-12-01 12:40:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2678 states and 2990 transitions. [2018-12-01 12:40:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 2990 transitions. [2018-12-01 12:40:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-12-01 12:40:05,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2018-12-01 12:40:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:06,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2678 states and 2989 transitions. [2018-12-01 12:40:06,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 2989 transitions. [2018-12-01 12:40:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-12-01 12:40:06,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 696 proven. 30 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-01 12:40:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2706 states and 3018 transitions. [2018-12-01 12:40:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3018 transitions. [2018-12-01 12:40:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-12-01 12:40:12,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 696 proven. 30 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-01 12:40:16,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 2726 states and 3037 transitions. [2018-12-01 12:40:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3037 transitions. [2018-12-01 12:40:16,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-12-01 12:40:16,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 696 proven. 30 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-01 12:40:19,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 2734 states and 3044 transitions. [2018-12-01 12:40:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3044 transitions. [2018-12-01 12:40:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-01 12:40:19,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 845 proven. 103 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-01 12:40:30,247 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 12:40:30,602 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-01 12:40:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 2765 states and 3086 transitions. [2018-12-01 12:40:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 3086 transitions. [2018-12-01 12:40:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-01 12:40:35,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 845 proven. 103 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-01 12:40:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:43,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 2798 states and 3125 transitions. [2018-12-01 12:40:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3125 transitions. [2018-12-01 12:40:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-01 12:40:43,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 845 proven. 103 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-01 12:40:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 2807 states and 3135 transitions. [2018-12-01 12:40:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3135 transitions. [2018-12-01 12:40:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-01 12:40:50,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 845 proven. 103 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-01 12:40:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:40:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2808 states and 3136 transitions. [2018-12-01 12:40:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3136 transitions. [2018-12-01 12:40:51,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2018-12-01 12:40:51,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:40:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:40:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 941 proven. 374 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-12-01 12:41:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:41:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 2864 states and 3218 transitions. [2018-12-01 12:41:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 3218 transitions. [2018-12-01 12:41:18,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 12:41:18,639 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 254 iterations. [2018-12-01 12:41:18,646 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 12:41:18,986 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 58 [2018-12-01 12:41:19,244 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-12-01 12:41:19,349 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2018-12-01 12:41:19,705 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-12-01 12:41:19,841 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2018-12-01 12:41:20,243 WARN L180 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 48 [2018-12-01 12:41:20,678 WARN L180 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-01 12:41:20,899 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2018-12-01 12:41:21,262 WARN L180 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 30 [2018-12-01 12:41:21,496 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 30 [2018-12-01 12:41:21,799 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-12-01 12:41:22,432 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 48 [2018-12-01 12:41:22,726 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-12-01 12:41:23,003 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-12-01 12:41:23,105 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 30 [2018-12-01 12:41:23,238 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-12-01 12:41:23,362 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2018-12-01 12:41:23,502 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2018-12-01 12:41:23,637 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2018-12-01 12:41:23,910 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2018-12-01 12:41:24,162 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2018-12-01 12:41:24,489 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-12-01 12:41:24,677 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2018-12-01 12:41:24,974 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-12-01 12:41:25,269 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-12-01 12:41:25,436 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 30 [2018-12-01 12:41:25,590 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-12-01 12:41:25,725 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2018-12-01 12:41:26,369 WARN L180 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 71 [2018-12-01 12:41:26,547 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2018-12-01 12:41:26,777 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-12-01 12:41:26,915 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2018-12-01 12:41:27,264 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2018-12-01 12:41:27,423 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2018-12-01 12:41:27,775 WARN L180 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2018-12-01 12:41:27,905 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-12-01 12:41:28,163 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2018-12-01 12:41:28,326 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-12-01 12:41:28,454 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2018-12-01 12:41:28,806 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2018-12-01 12:41:28,960 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2018-12-01 12:41:29,117 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 30 [2018-12-01 12:41:29,566 WARN L180 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2018-12-01 12:41:29,703 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2018-12-01 12:41:30,234 WARN L180 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 48 [2018-12-01 12:41:30,363 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-12-01 12:41:30,529 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 34 [2018-12-01 12:41:30,762 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2018-12-01 12:41:30,889 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2018-12-01 12:41:31,102 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2018-12-01 12:41:31,470 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-12-01 12:41:31,631 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-12-01 12:41:31,752 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2018-12-01 12:41:31,951 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 30 [2018-12-01 12:41:32,075 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 30 [2018-12-01 12:41:32,234 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2018-12-01 12:41:32,543 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-01 12:41:32,876 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 49 [2018-12-01 12:41:33,029 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2018-12-01 12:41:33,520 WARN L180 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 48 [2018-12-01 12:41:33,742 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 30 [2018-12-01 12:41:33,851 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 30 [2018-12-01 12:41:33,977 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2018-12-01 12:41:34,223 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2018-12-01 12:41:34,532 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 58 [2018-12-01 12:41:34,645 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2018-12-01 12:41:34,768 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2018-12-01 12:41:34,905 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2018-12-01 12:41:35,180 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-12-01 12:41:35,441 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-01 12:41:35,699 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 49 [2018-12-01 12:41:35,832 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 30 [2018-12-01 12:41:36,263 WARN L180 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2018-12-01 12:41:36,431 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2018-12-01 12:41:36,577 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2018-12-01 12:41:36,786 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 30 [2018-12-01 12:41:36,787 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 12:41:36,789 INFO L583 CodeCheckObserver]: Invariant with dag size 34 [2018-12-01 12:41:36,794 INFO L583 CodeCheckObserver]: Invariant with dag size 34 [2018-12-01 12:41:36,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 12:41:36 ImpRootNode [2018-12-01 12:41:36,795 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 12:41:36,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 12:41:36,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 12:41:36,795 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 12:41:36,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:34:53" (3/4) ... [2018-12-01 12:41:36,798 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 12:41:36,808 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-01 12:41:36,809 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-01 12:41:36,809 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 12:41:36,810 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 12:41:36,865 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7918b000-bf75-4f86-a560-9ff9db6e180a/bin-2019/ukojak/witness.graphml [2018-12-01 12:41:36,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 12:41:36,866 INFO L168 Benchmark]: Toolchain (without parser) took 404489.94 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 950.6 MB in the beginning and 1.5 GB in the end (delta: -509.3 MB). Peak memory consumption was 525.1 MB. Max. memory is 11.5 GB. [2018-12-01 12:41:36,866 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:41:36,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -128.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-01 12:41:36,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 12:41:36,866 INFO L168 Benchmark]: Boogie Preprocessor took 28.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 12:41:36,867 INFO L168 Benchmark]: RCFGBuilder took 1080.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 849.6 MB in the end (delta: 218.7 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. [2018-12-01 12:41:36,867 INFO L168 Benchmark]: CodeCheck took 402913.22 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 943.7 MB). Free memory was 849.6 MB in the beginning and 1.5 GB in the end (delta: -632.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-01 12:41:36,867 INFO L168 Benchmark]: Witness Printer took 70.21 ms. Allocated memory is still 2.1 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-12-01 12:41:36,868 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 1 procedures, 227 locations, 1 error locations. SAFE Result, 384.7s OverallTime, 254 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 621806160 SDtfs, -1438043596 SDslu, -831517950 SDs, 0 SdLazy, 1328128644 SolverSat, 1876689202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1325.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355095 GetRequests, 344922 SyntacticMatches, 8143 SemanticMatches, 2030 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3263426 ImplicationChecksByTransitivity, 344.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 55340 NumberOfCodeBlocks, 55340 NumberOfCodeBlocksAsserted, 253 NumberOfCheckSat, 55087 ConstructedInterpolants, 0 QuantifiedInterpolants, 58415046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 253 InterpolantComputations, 138 PerfectInterpolantSequences, 69096/71184 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: 481]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((a19 == 1 && a25 == 1) && !(a17 == 9)) || (!(a19 == 1) && !(a17 == 8))) || ((!(a28 == 8) && a19 == 1) && !(a17 == 9))) || (!(a19 == 1) && !(a11 == 1))) || (((a17 == 8 && a28 == 7) && a21 == 1) && a25 <= 0)) || (((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a17 == 8 && a28 == 7) && a21 == 1) && a25 <= 0) || (!(a19 == 1) && !(a17 == 8))) || ((a19 == 1 && a25 == 1) && !(a17 == 9))) || ((!(a28 == 8) && a19 == 1) && !(a17 == 9))) || (!(a19 == 1) && !(a11 == 1))) || (((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -128.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1080.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 849.6 MB in the end (delta: 218.7 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. * CodeCheck took 402913.22 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 943.7 MB). Free memory was 849.6 MB in the beginning and 1.5 GB in the end (delta: -632.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 70.21 ms. Allocated memory is still 2.1 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...