./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label45_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_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/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 6c1fad4c0512d9a273ed1e7c88caaf722fcdaad1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 21:22:44,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:22:44,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:22:44,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:22:44,661 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:22:44,662 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:22:44,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:22:44,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:22:44,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:22:44,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:22:44,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:22:44,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:22:44,665 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:22:44,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:22:44,666 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:22:44,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:22:44,667 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:22:44,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:22:44,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:22:44,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:22:44,670 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:22:44,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:22:44,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:22:44,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:22:44,672 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:22:44,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:22:44,672 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:22:44,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:22:44,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:22:44,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:22:44,674 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:22:44,674 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:22:44,674 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:22:44,674 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:22:44,675 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:22:44,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:22:44,675 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 21:22:44,682 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:22:44,682 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:22:44,682 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:22:44,683 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 21:22:44,683 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:22:44,683 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:22:44,683 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:22:44,683 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:22:44,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:22:44,683 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:22:44,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:22:44,684 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 21:22:44,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:22:44,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:22:44,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 21:22:44,685 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:22:44,685 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:22:44,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:22:44,685 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 21:22:44,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:22:44,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:22:44,685 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_4b314196-93dd-4ba9-ace6-14b5f152a2e0/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 -> 6c1fad4c0512d9a273ed1e7c88caaf722fcdaad1 [2018-12-02 21:22:44,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:22:44,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:22:44,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:22:44,713 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:22:44,714 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:22:44,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c [2018-12-02 21:22:44,758 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/data/052be63b9/8cae8ffc4cbb4f3abc875c2697c2e1fc/FLAGc323063ab [2018-12-02 21:22:45,171 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:22:45,172 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c [2018-12-02 21:22:45,178 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/data/052be63b9/8cae8ffc4cbb4f3abc875c2697c2e1fc/FLAGc323063ab [2018-12-02 21:22:45,187 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/data/052be63b9/8cae8ffc4cbb4f3abc875c2697c2e1fc [2018-12-02 21:22:45,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:22:45,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:22:45,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:22:45,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:22:45,192 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:22:45,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45, skipping insertion in model container [2018-12-02 21:22:45,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:22:45,228 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:22:45,431 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:22:45,434 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:22:45,517 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:22:45,526 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:22:45,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45 WrapperNode [2018-12-02 21:22:45,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:22:45,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:22:45,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:22:45,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:22:45,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:22:45,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:22:45,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:22:45,566 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:22:45,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... [2018-12-02 21:22:45,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:22:45,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:22:45,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:22:45,593 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:22:45,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/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 [2018-12-02 21:22:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:22:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:22:46,726 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:22:46,726 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 21:22:46,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:46 BoogieIcfgContainer [2018-12-02 21:22:46,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:22:46,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 21:22:46,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 21:22:46,737 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 21:22:46,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:46" (1/1) ... [2018-12-02 21:22:46,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:22:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 21:22:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 21:22:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 21:22:46,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-12-02 21:22:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-12-02 21:22:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 21:22:47,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:22:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2018-12-02 21:22:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2018-12-02 21:22:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 21:22:47,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-12-02 21:22:47,619 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-12-02 21:22:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 21:22:47,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:22:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 151 states and 246 transitions. [2018-12-02 21:22:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2018-12-02 21:22:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 21:22:47,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 159 states and 261 transitions. [2018-12-02 21:22:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2018-12-02 21:22:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 21:22:47,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 21:22:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-12-02 21:22:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-12-02 21:22:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 21:22:48,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 171 states and 281 transitions. [2018-12-02 21:22:48,341 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 281 transitions. [2018-12-02 21:22:48,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 21:22:48,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2018-12-02 21:22:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2018-12-02 21:22:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 21:22:48,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 191 states and 307 transitions. [2018-12-02 21:22:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 307 transitions. [2018-12-02 21:22:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 21:22:48,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:48,996 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 200 states and 325 transitions. [2018-12-02 21:22:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 325 transitions. [2018-12-02 21:22:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 21:22:49,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 201 states and 327 transitions. [2018-12-02 21:22:49,358 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 327 transitions. [2018-12-02 21:22:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 21:22:49,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2018-12-02 21:22:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2018-12-02 21:22:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 21:22:49,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:22:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 203 states and 330 transitions. [2018-12-02 21:22:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 330 transitions. [2018-12-02 21:22:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 21:22:49,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 214 states and 347 transitions. [2018-12-02 21:22:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 347 transitions. [2018-12-02 21:22:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 21:22:49,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 218 states and 354 transitions. [2018-12-02 21:22:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 354 transitions. [2018-12-02 21:22:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 21:22:50,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:22:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 220 states and 355 transitions. [2018-12-02 21:22:50,134 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 355 transitions. [2018-12-02 21:22:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 21:22:50,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:22:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 225 states and 360 transitions. [2018-12-02 21:22:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 360 transitions. [2018-12-02 21:22:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 21:22:50,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:50,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 227 states and 363 transitions. [2018-12-02 21:22:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 363 transitions. [2018-12-02 21:22:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 21:22:50,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 237 states and 377 transitions. [2018-12-02 21:22:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 377 transitions. [2018-12-02 21:22:50,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 21:22:50,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 238 states and 378 transitions. [2018-12-02 21:22:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 378 transitions. [2018-12-02 21:22:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 21:22:51,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:22:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 249 states and 388 transitions. [2018-12-02 21:22:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 388 transitions. [2018-12-02 21:22:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 21:22:51,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:22:51,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 251 states and 389 transitions. [2018-12-02 21:22:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 389 transitions. [2018-12-02 21:22:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-02 21:22:51,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 275 states and 423 transitions. [2018-12-02 21:22:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 423 transitions. [2018-12-02 21:22:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 21:22:52,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:52,294 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:22:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 278 states and 426 transitions. [2018-12-02 21:22:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 426 transitions. [2018-12-02 21:22:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 21:22:52,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:22:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 280 states and 431 transitions. [2018-12-02 21:22:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 431 transitions. [2018-12-02 21:22:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 21:22:52,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:52,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 283 states and 434 transitions. [2018-12-02 21:22:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 434 transitions. [2018-12-02 21:22:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 21:22:52,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 298 states and 451 transitions. [2018-12-02 21:22:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 451 transitions. [2018-12-02 21:22:52,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 21:22:52,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 301 states and 454 transitions. [2018-12-02 21:22:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 454 transitions. [2018-12-02 21:22:53,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 21:22:53,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:54,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 326 states and 489 transitions. [2018-12-02 21:22:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 489 transitions. [2018-12-02 21:22:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 21:22:54,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:54,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 340 states and 504 transitions. [2018-12-02 21:22:54,681 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 504 transitions. [2018-12-02 21:22:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 21:22:54,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 365 states and 547 transitions. [2018-12-02 21:22:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 547 transitions. [2018-12-02 21:22:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 21:22:56,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 367 states and 551 transitions. [2018-12-02 21:22:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 551 transitions. [2018-12-02 21:22:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 21:22:56,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 382 states and 571 transitions. [2018-12-02 21:22:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 571 transitions. [2018-12-02 21:22:57,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 21:22:57,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 387 states and 576 transitions. [2018-12-02 21:22:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 576 transitions. [2018-12-02 21:22:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 21:22:58,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 393 states and 582 transitions. [2018-12-02 21:22:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 582 transitions. [2018-12-02 21:22:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 21:22:58,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 394 states and 583 transitions. [2018-12-02 21:22:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 583 transitions. [2018-12-02 21:22:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 21:22:59,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:22:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:22:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 396 states and 586 transitions. [2018-12-02 21:22:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 586 transitions. [2018-12-02 21:22:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 21:22:59,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:22:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:22:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 410 states and 610 transitions. [2018-12-02 21:23:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 610 transitions. [2018-12-02 21:23:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 21:23:01,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 421 states and 621 transitions. [2018-12-02 21:23:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 621 transitions. [2018-12-02 21:23:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 21:23:01,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:23:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 435 states and 637 transitions. [2018-12-02 21:23:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 637 transitions. [2018-12-02 21:23:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 21:23:02,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:23:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:03,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 442 states and 647 transitions. [2018-12-02 21:23:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 647 transitions. [2018-12-02 21:23:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 21:23:03,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:23:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:03,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 443 states and 648 transitions. [2018-12-02 21:23:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 648 transitions. [2018-12-02 21:23:03,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 21:23:03,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:03,742 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:23:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 447 states and 651 transitions. [2018-12-02 21:23:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 651 transitions. [2018-12-02 21:23:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 21:23:03,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:05,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 475 states and 683 transitions. [2018-12-02 21:23:05,340 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 683 transitions. [2018-12-02 21:23:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 21:23:05,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 499 states and 718 transitions. [2018-12-02 21:23:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 718 transitions. [2018-12-02 21:23:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 21:23:07,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 503 states and 722 transitions. [2018-12-02 21:23:08,024 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 722 transitions. [2018-12-02 21:23:08,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 21:23:08,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 510 states and 729 transitions. [2018-12-02 21:23:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 729 transitions. [2018-12-02 21:23:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 21:23:08,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 511 states and 729 transitions. [2018-12-02 21:23:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 729 transitions. [2018-12-02 21:23:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 21:23:08,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 520 states and 737 transitions. [2018-12-02 21:23:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 737 transitions. [2018-12-02 21:23:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 21:23:09,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:09,178 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 21:23:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 607 states and 830 transitions. [2018-12-02 21:23:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 830 transitions. [2018-12-02 21:23:10,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 21:23:10,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 618 states and 845 transitions. [2018-12-02 21:23:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 845 transitions. [2018-12-02 21:23:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 21:23:10,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:10,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 620 states and 847 transitions. [2018-12-02 21:23:10,948 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 847 transitions. [2018-12-02 21:23:10,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 21:23:10,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 629 states and 858 transitions. [2018-12-02 21:23:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 858 transitions. [2018-12-02 21:23:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 21:23:11,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 656 states and 899 transitions. [2018-12-02 21:23:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 899 transitions. [2018-12-02 21:23:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 21:23:13,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 683 states and 935 transitions. [2018-12-02 21:23:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 935 transitions. [2018-12-02 21:23:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 21:23:15,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 684 states and 936 transitions. [2018-12-02 21:23:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 936 transitions. [2018-12-02 21:23:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 21:23:15,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 692 states and 944 transitions. [2018-12-02 21:23:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 944 transitions. [2018-12-02 21:23:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 21:23:16,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 699 states and 951 transitions. [2018-12-02 21:23:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 951 transitions. [2018-12-02 21:23:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 21:23:16,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 700 states and 952 transitions. [2018-12-02 21:23:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 952 transitions. [2018-12-02 21:23:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 21:23:16,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 701 states and 952 transitions. [2018-12-02 21:23:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 952 transitions. [2018-12-02 21:23:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 21:23:16,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:23:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 712 states and 968 transitions. [2018-12-02 21:23:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 968 transitions. [2018-12-02 21:23:17,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 21:23:17,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:23:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 719 states and 977 transitions. [2018-12-02 21:23:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 977 transitions. [2018-12-02 21:23:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 21:23:17,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 21:23:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 750 states and 1012 transitions. [2018-12-02 21:23:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1012 transitions. [2018-12-02 21:23:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 21:23:20,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 792 states and 1056 transitions. [2018-12-02 21:23:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1056 transitions. [2018-12-02 21:23:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 21:23:22,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 805 states and 1074 transitions. [2018-12-02 21:23:22,748 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1074 transitions. [2018-12-02 21:23:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 21:23:22,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:23:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 818 states and 1107 transitions. [2018-12-02 21:23:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1107 transitions. [2018-12-02 21:23:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 21:23:23,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:23:24,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 823 states and 1117 transitions. [2018-12-02 21:23:24,681 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1117 transitions. [2018-12-02 21:23:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 21:23:24,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:23:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 828 states and 1125 transitions. [2018-12-02 21:23:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1125 transitions. [2018-12-02 21:23:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 21:23:25,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 836 states and 1133 transitions. [2018-12-02 21:23:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1133 transitions. [2018-12-02 21:23:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 21:23:25,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:23:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 873 states and 1179 transitions. [2018-12-02 21:23:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1179 transitions. [2018-12-02 21:23:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 21:23:27,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:27,830 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:23:28,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 874 states and 1180 transitions. [2018-12-02 21:23:28,067 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1180 transitions. [2018-12-02 21:23:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 21:23:28,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:23:28,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 882 states and 1187 transitions. [2018-12-02 21:23:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1187 transitions. [2018-12-02 21:23:28,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 21:23:28,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 21:23:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 906 states and 1217 transitions. [2018-12-02 21:23:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1217 transitions. [2018-12-02 21:23:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 21:23:30,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 21:23:31,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 913 states and 1224 transitions. [2018-12-02 21:23:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1224 transitions. [2018-12-02 21:23:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 21:23:31,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 21:23:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 915 states and 1226 transitions. [2018-12-02 21:23:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1226 transitions. [2018-12-02 21:23:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 21:23:31,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 21:23:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 924 states and 1236 transitions. [2018-12-02 21:23:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1236 transitions. [2018-12-02 21:23:32,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 21:23:32,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 21:23:32,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 929 states and 1240 transitions. [2018-12-02 21:23:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1240 transitions. [2018-12-02 21:23:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 21:23:32,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 21:23:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 938 states and 1258 transitions. [2018-12-02 21:23:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1258 transitions. [2018-12-02 21:23:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 21:23:34,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 21:23:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 969 states and 1297 transitions. [2018-12-02 21:23:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1297 transitions. [2018-12-02 21:23:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 21:23:36,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 21:23:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 986 states and 1315 transitions. [2018-12-02 21:23:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1315 transitions. [2018-12-02 21:23:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 21:23:37,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1003 states and 1332 transitions. [2018-12-02 21:23:37,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1332 transitions. [2018-12-02 21:23:37,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 21:23:37,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1033 states and 1369 transitions. [2018-12-02 21:23:39,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1369 transitions. [2018-12-02 21:23:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 21:23:39,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:40,382 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:23:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1058 states and 1396 transitions. [2018-12-02 21:23:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1396 transitions. [2018-12-02 21:23:43,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 21:23:43,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 21:23:46,290 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-02 21:23:47,082 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 21:23:48,950 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-02 21:23:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1113 states and 1455 transitions. [2018-12-02 21:23:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1455 transitions. [2018-12-02 21:23:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 21:23:53,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-02 21:23:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:23:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1122 states and 1464 transitions. [2018-12-02 21:23:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1464 transitions. [2018-12-02 21:23:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 21:23:53,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:23:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:23:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1180 states and 1534 transitions. [2018-12-02 21:24:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1534 transitions. [2018-12-02 21:24:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 21:24:00,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:00,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1191 states and 1544 transitions. [2018-12-02 21:24:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1544 transitions. [2018-12-02 21:24:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 21:24:00,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:24:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1208 states and 1562 transitions. [2018-12-02 21:24:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1562 transitions. [2018-12-02 21:24:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 21:24:00,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 21:24:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1210 states and 1564 transitions. [2018-12-02 21:24:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1564 transitions. [2018-12-02 21:24:01,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 21:24:01,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 21:24:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1211 states and 1564 transitions. [2018-12-02 21:24:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1564 transitions. [2018-12-02 21:24:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 21:24:01,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1248 states and 1607 transitions. [2018-12-02 21:24:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1607 transitions. [2018-12-02 21:24:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 21:24:03,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1277 states and 1638 transitions. [2018-12-02 21:24:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1638 transitions. [2018-12-02 21:24:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 21:24:04,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1286 states and 1646 transitions. [2018-12-02 21:24:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1646 transitions. [2018-12-02 21:24:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 21:24:05,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 21:24:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1299 states and 1663 transitions. [2018-12-02 21:24:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1663 transitions. [2018-12-02 21:24:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 21:24:06,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 21:24:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1329 states and 1699 transitions. [2018-12-02 21:24:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1699 transitions. [2018-12-02 21:24:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 21:24:09,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 21:24:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1338 states and 1709 transitions. [2018-12-02 21:24:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1709 transitions. [2018-12-02 21:24:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 21:24:09,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 21:24:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1346 states and 1725 transitions. [2018-12-02 21:24:10,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1725 transitions. [2018-12-02 21:24:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 21:24:10,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1386 states and 1771 transitions. [2018-12-02 21:24:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1771 transitions. [2018-12-02 21:24:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 21:24:12,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 124 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 21:24:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1397 states and 1782 transitions. [2018-12-02 21:24:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1782 transitions. [2018-12-02 21:24:14,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 21:24:14,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:14,898 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 21:24:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1399 states and 1788 transitions. [2018-12-02 21:24:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1788 transitions. [2018-12-02 21:24:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 21:24:14,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 21:24:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1408 states and 1797 transitions. [2018-12-02 21:24:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1797 transitions. [2018-12-02 21:24:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 21:24:15,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 21:24:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1438 states and 1831 transitions. [2018-12-02 21:24:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1831 transitions. [2018-12-02 21:24:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 21:24:18,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 21:24:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1468 states and 1863 transitions. [2018-12-02 21:24:23,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1863 transitions. [2018-12-02 21:24:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 21:24:23,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 21:24:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1472 states and 1874 transitions. [2018-12-02 21:24:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1874 transitions. [2018-12-02 21:24:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 21:24:26,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 21:24:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1479 states and 1879 transitions. [2018-12-02 21:24:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1879 transitions. [2018-12-02 21:24:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 21:24:26,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:35,089 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2018-12-02 21:24:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1509 states and 1917 transitions. [2018-12-02 21:24:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1917 transitions. [2018-12-02 21:24:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:24:35,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 21:24:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1527 states and 1941 transitions. [2018-12-02 21:24:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1941 transitions. [2018-12-02 21:24:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:24:37,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 21:24:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1535 states and 1954 transitions. [2018-12-02 21:24:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1954 transitions. [2018-12-02 21:24:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:24:40,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:40,994 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 21:24:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1537 states and 1956 transitions. [2018-12-02 21:24:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1956 transitions. [2018-12-02 21:24:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:24:41,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 21:24:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1542 states and 1963 transitions. [2018-12-02 21:24:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1963 transitions. [2018-12-02 21:24:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:24:41,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 21:24:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:42,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1545 states and 1967 transitions. [2018-12-02 21:24:42,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1967 transitions. [2018-12-02 21:24:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:24:42,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 21:24:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1547 states and 1968 transitions. [2018-12-02 21:24:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1968 transitions. [2018-12-02 21:24:42,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:24:42,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 21:24:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1551 states and 1972 transitions. [2018-12-02 21:24:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1972 transitions. [2018-12-02 21:24:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:24:43,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 21:24:43,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1552 states and 1972 transitions. [2018-12-02 21:24:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1972 transitions. [2018-12-02 21:24:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-02 21:24:43,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 1585 states and 2009 transitions. [2018-12-02 21:24:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2009 transitions. [2018-12-02 21:24:46,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-02 21:24:46,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:47,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 1602 states and 2026 transitions. [2018-12-02 21:24:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2026 transitions. [2018-12-02 21:24:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 21:24:47,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 21:24:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1604 states and 2028 transitions. [2018-12-02 21:24:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2028 transitions. [2018-12-02 21:24:47,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 21:24:47,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1610 states and 2037 transitions. [2018-12-02 21:24:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2037 transitions. [2018-12-02 21:24:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 21:24:49,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 1627 states and 2057 transitions. [2018-12-02 21:24:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2057 transitions. [2018-12-02 21:24:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 21:24:51,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1639 states and 2068 transitions. [2018-12-02 21:24:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2068 transitions. [2018-12-02 21:24:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 21:24:52,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:24:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 1648 states and 2076 transitions. [2018-12-02 21:24:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2076 transitions. [2018-12-02 21:24:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 21:24:53,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:24:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 1678 states and 2108 transitions. [2018-12-02 21:24:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2108 transitions. [2018-12-02 21:24:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 21:24:54,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:24:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:24:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1721 states and 2157 transitions. [2018-12-02 21:24:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2157 transitions. [2018-12-02 21:24:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 21:24:59,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:24:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:24:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:25:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1735 states and 2170 transitions. [2018-12-02 21:25:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2170 transitions. [2018-12-02 21:25:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 21:25:02,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:25:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 1740 states and 2175 transitions. [2018-12-02 21:25:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2175 transitions. [2018-12-02 21:25:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 21:25:03,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:25:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:03,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 1741 states and 2175 transitions. [2018-12-02 21:25:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2175 transitions. [2018-12-02 21:25:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 21:25:03,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 183 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 21:25:04,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1745 states and 2180 transitions. [2018-12-02 21:25:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2180 transitions. [2018-12-02 21:25:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 21:25:04,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 5 proven. 109 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 21:25:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1837 states and 2284 transitions. [2018-12-02 21:25:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2284 transitions. [2018-12-02 21:25:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 21:25:06,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:25:12,043 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-12-02 21:25:12,348 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-02 21:25:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1897 states and 2349 transitions. [2018-12-02 21:25:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2349 transitions. [2018-12-02 21:25:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 21:25:15,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 21:25:18,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 1958 states and 2412 transitions. [2018-12-02 21:25:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2412 transitions. [2018-12-02 21:25:18,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 21:25:18,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 21:25:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:18,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 1966 states and 2419 transitions. [2018-12-02 21:25:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2419 transitions. [2018-12-02 21:25:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 21:25:18,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:21,173 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-02 21:25:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 21:25:25,601 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 21:25:27,166 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-02 21:25:29,261 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-02 21:25:31,949 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-12-02 21:25:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2014 states and 2470 transitions. [2018-12-02 21:25:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2470 transitions. [2018-12-02 21:25:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 21:25:33,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:25:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2059 states and 2521 transitions. [2018-12-02 21:25:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2521 transitions. [2018-12-02 21:25:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 21:25:48,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:25:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:50,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2081 states and 2543 transitions. [2018-12-02 21:25:50,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2543 transitions. [2018-12-02 21:25:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 21:25:50,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:25:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:25:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2089 states and 2551 transitions. [2018-12-02 21:25:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2551 transitions. [2018-12-02 21:25:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 21:25:53,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:25:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:25:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:26:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2132 states and 2595 transitions. [2018-12-02 21:26:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2595 transitions. [2018-12-02 21:26:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 21:26:02,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 21:26:04,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2149 states and 2611 transitions. [2018-12-02 21:26:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2611 transitions. [2018-12-02 21:26:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 21:26:04,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 21:26:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2168 states and 2633 transitions. [2018-12-02 21:26:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 2633 transitions. [2018-12-02 21:26:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 21:26:04,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 21:26:08,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2237 states and 2706 transitions. [2018-12-02 21:26:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2706 transitions. [2018-12-02 21:26:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 21:26:08,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-02 21:26:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2239 states and 2707 transitions. [2018-12-02 21:26:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2707 transitions. [2018-12-02 21:26:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 21:26:08,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 21:26:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2251 states and 2721 transitions. [2018-12-02 21:26:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2721 transitions. [2018-12-02 21:26:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 21:26:10,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 21:26:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2253 states and 2722 transitions. [2018-12-02 21:26:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2722 transitions. [2018-12-02 21:26:10,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 21:26:10,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 21:26:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2258 states and 2727 transitions. [2018-12-02 21:26:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2727 transitions. [2018-12-02 21:26:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 21:26:11,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-02 21:26:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2262 states and 2732 transitions. [2018-12-02 21:26:11,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2732 transitions. [2018-12-02 21:26:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 21:26:11,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-02 21:26:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:12,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2266 states and 2738 transitions. [2018-12-02 21:26:12,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2738 transitions. [2018-12-02 21:26:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 21:26:12,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-02 21:26:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2336 states and 2811 transitions. [2018-12-02 21:26:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2811 transitions. [2018-12-02 21:26:14,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-02 21:26:14,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 21:26:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2341 states and 2819 transitions. [2018-12-02 21:26:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 2819 transitions. [2018-12-02 21:26:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-02 21:26:14,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:14,712 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 21:26:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2342 states and 2819 transitions. [2018-12-02 21:26:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2819 transitions. [2018-12-02 21:26:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 21:26:14,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:26:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2391 states and 2874 transitions. [2018-12-02 21:26:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 2874 transitions. [2018-12-02 21:26:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 21:26:20,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:26:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2411 states and 2894 transitions. [2018-12-02 21:26:22,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2894 transitions. [2018-12-02 21:26:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 21:26:22,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:26:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2412 states and 2895 transitions. [2018-12-02 21:26:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 2895 transitions. [2018-12-02 21:26:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 21:26:23,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:26:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2421 states and 2903 transitions. [2018-12-02 21:26:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2903 transitions. [2018-12-02 21:26:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 21:26:23,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:24,864 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-12-02 21:26:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 21:26:28,590 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-02 21:26:32,218 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 21:26:35,545 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2018-12-02 21:26:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2447 states and 2931 transitions. [2018-12-02 21:26:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2931 transitions. [2018-12-02 21:26:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 21:26:37,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 21:26:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2453 states and 2936 transitions. [2018-12-02 21:26:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 2936 transitions. [2018-12-02 21:26:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-02 21:26:39,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:26:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2475 states and 2975 transitions. [2018-12-02 21:26:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2975 transitions. [2018-12-02 21:26:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-02 21:26:44,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:26:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2502 states and 3011 transitions. [2018-12-02 21:26:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3011 transitions. [2018-12-02 21:26:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-02 21:26:54,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:26:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:26:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 2504 states and 3013 transitions. [2018-12-02 21:26:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3013 transitions. [2018-12-02 21:26:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-02 21:26:57,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:26:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:26:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:27:00,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:27:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2510 states and 3022 transitions. [2018-12-02 21:27:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3022 transitions. [2018-12-02 21:27:00,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-02 21:27:00,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:27:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:27:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:27:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:27:05,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2528 states and 3042 transitions. [2018-12-02 21:27:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3042 transitions. [2018-12-02 21:27:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 21:27:05,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:27:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:27:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 21:27:09,726 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 21:27:10,836 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 21:27:14,038 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 21:27:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:27:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 2580 states and 3097 transitions. [2018-12-02 21:27:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3097 transitions. [2018-12-02 21:27:20,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 21:27:20,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:27:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:27:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 21:27:25,460 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2018-12-02 21:27:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:27:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 2606 states and 3122 transitions. [2018-12-02 21:27:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3122 transitions. [2018-12-02 21:27:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 21:27:29,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:27:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:27:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 21:27:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:27:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 2626 states and 3141 transitions. [2018-12-02 21:27:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3141 transitions. [2018-12-02 21:27:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 21:27:31,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:27:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:27:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 21:27:41,455 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-02 21:27:46,488 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 21:27:48,752 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 21:27:50,911 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 21:27:52,319 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 21:27:54,466 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 21:27:56,793 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 21:27:58,010 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 21:27:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:27:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 2669 states and 3185 transitions. [2018-12-02 21:27:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3185 transitions. [2018-12-02 21:27:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 21:27:59,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:27:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 21:28:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 2672 states and 3187 transitions. [2018-12-02 21:28:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3187 transitions. [2018-12-02 21:28:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 21:28:01,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 21:28:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 2674 states and 3188 transitions. [2018-12-02 21:28:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3188 transitions. [2018-12-02 21:28:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 21:28:03,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 21:28:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 2676 states and 3191 transitions. [2018-12-02 21:28:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3191 transitions. [2018-12-02 21:28:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 21:28:04,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-02 21:28:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 2775 states and 3301 transitions. [2018-12-02 21:28:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3301 transitions. [2018-12-02 21:28:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 21:28:11,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 21:28:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 2789 states and 3326 transitions. [2018-12-02 21:28:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3326 transitions. [2018-12-02 21:28:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 21:28:18,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 21:28:19,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 2794 states and 3333 transitions. [2018-12-02 21:28:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 3333 transitions. [2018-12-02 21:28:19,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 21:28:19,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 21:28:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 2801 states and 3340 transitions. [2018-12-02 21:28:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3340 transitions. [2018-12-02 21:28:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 21:28:21,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 21:28:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3346 states to 2806 states and 3346 transitions. [2018-12-02 21:28:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3346 transitions. [2018-12-02 21:28:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 21:28:23,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-02 21:28:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:23,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 2814 states and 3354 transitions. [2018-12-02 21:28:23,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3354 transitions. [2018-12-02 21:28:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 21:28:23,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-02 21:28:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 2837 states and 3392 transitions. [2018-12-02 21:28:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3392 transitions. [2018-12-02 21:28:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 21:28:34,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:35,201 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 21:28:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 2894 states and 3453 transitions. [2018-12-02 21:28:42,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 3453 transitions. [2018-12-02 21:28:42,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 21:28:42,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-02 21:28:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 2909 states and 3474 transitions. [2018-12-02 21:28:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 3474 transitions. [2018-12-02 21:28:46,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 21:28:46,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-02 21:28:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 2957 states and 3527 transitions. [2018-12-02 21:28:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 3527 transitions. [2018-12-02 21:28:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 21:28:48,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-02 21:28:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 2971 states and 3544 transitions. [2018-12-02 21:28:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3544 transitions. [2018-12-02 21:28:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 21:28:56,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-02 21:28:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 2973 states and 3547 transitions. [2018-12-02 21:28:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 3547 transitions. [2018-12-02 21:28:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 21:28:57,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:57,507 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-02 21:28:58,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:28:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 2975 states and 3556 transitions. [2018-12-02 21:28:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3556 transitions. [2018-12-02 21:28:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 21:28:58,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:28:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:28:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-02 21:29:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:29:00,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 2978 states and 3559 transitions. [2018-12-02 21:29:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 3559 transitions. [2018-12-02 21:29:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 21:29:00,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:29:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:29:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 21:29:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:29:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 3047 states and 3629 transitions. [2018-12-02 21:29:07,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 3629 transitions. [2018-12-02 21:29:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 21:29:07,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:29:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:29:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:29:12,194 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-02 21:29:14,010 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 21:29:15,896 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 21:29:19,231 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 21:29:20,285 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-02 21:29:22,005 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 21:29:22,876 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-02 21:29:24,802 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 21:29:26,208 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-02 21:29:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:29:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3089 states and 3674 transitions. [2018-12-02 21:29:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3674 transitions. [2018-12-02 21:29:27,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 21:29:27,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:29:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:29:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:29:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:29:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 3100 states and 3683 transitions. [2018-12-02 21:29:31,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3100 states and 3683 transitions. [2018-12-02 21:29:31,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 21:29:31,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:29:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:29:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 21:29:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:29:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3112 states and 3695 transitions. [2018-12-02 21:29:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 3695 transitions. [2018-12-02 21:29:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-02 21:29:34,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:29:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:29:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-02 21:29:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:29:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3113 states and 3695 transitions. [2018-12-02 21:29:38,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 3695 transitions. [2018-12-02 21:29:38,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-02 21:29:38,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:29:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:29:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-02 21:29:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:29:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3166 states and 3758 transitions. [2018-12-02 21:29:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 3758 transitions. [2018-12-02 21:29:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-02 21:29:47,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:29:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:29:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-02 21:29:59,507 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2018-12-02 21:30:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3283 states and 3883 transitions. [2018-12-02 21:30:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 3883 transitions. [2018-12-02 21:30:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 21:30:02,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 21:30:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3299 states and 3905 transitions. [2018-12-02 21:30:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 3905 transitions. [2018-12-02 21:30:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 21:30:06,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 21:30:09,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3304 states and 3913 transitions. [2018-12-02 21:30:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 3913 transitions. [2018-12-02 21:30:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 21:30:09,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 21:30:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 3312 states and 3922 transitions. [2018-12-02 21:30:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 3922 transitions. [2018-12-02 21:30:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 21:30:11,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 21:30:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3322 states and 3934 transitions. [2018-12-02 21:30:13,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 3934 transitions. [2018-12-02 21:30:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 21:30:13,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 21:30:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3328 states and 3939 transitions. [2018-12-02 21:30:13,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 3939 transitions. [2018-12-02 21:30:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 21:30:13,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 21:30:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3329 states and 3939 transitions. [2018-12-02 21:30:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3939 transitions. [2018-12-02 21:30:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 21:30:14,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 21:30:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3332 states and 3941 transitions. [2018-12-02 21:30:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 3941 transitions. [2018-12-02 21:30:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 21:30:15,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 21:30:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3334 states and 3944 transitions. [2018-12-02 21:30:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 3944 transitions. [2018-12-02 21:30:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 21:30:16,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 21:30:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 3387 states and 4025 transitions. [2018-12-02 21:30:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 4025 transitions. [2018-12-02 21:30:49,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-02 21:30:49,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2018-12-02 21:30:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 3393 states and 4032 transitions. [2018-12-02 21:30:49,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4032 transitions. [2018-12-02 21:30:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-02 21:30:49,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:30:51,774 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2018-12-02 21:30:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-02 21:30:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:30:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 3464 states and 4104 transitions. [2018-12-02 21:30:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3464 states and 4104 transitions. [2018-12-02 21:30:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-02 21:30:57,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:30:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:03,871 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-02 21:31:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 21:31:20,319 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 21:31:23,341 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 21:31:30,322 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 21:31:32,680 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 21:31:34,502 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-02 21:31:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:31:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 3541 states and 4189 transitions. [2018-12-02 21:31:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4189 transitions. [2018-12-02 21:31:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-02 21:31:36,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:31:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:38,216 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-02 21:31:43,871 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 21:31:45,194 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 21:31:46,902 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-02 21:31:51,135 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-02 21:31:51,526 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-02 21:31:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:31:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 3629 states and 4283 transitions. [2018-12-02 21:31:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 4283 transitions. [2018-12-02 21:31:53,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-02 21:31:53,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:31:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:31:55,978 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2018-12-02 21:31:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 21:32:06,318 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-02 21:32:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 3716 states and 4392 transitions. [2018-12-02 21:32:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4392 transitions. [2018-12-02 21:32:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-12-02 21:32:10,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 737 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 21:32:25,520 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-02 21:32:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 3799 states and 4494 transitions. [2018-12-02 21:32:30,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3799 states and 4494 transitions. [2018-12-02 21:32:30,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-02 21:32:30,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 21:32:34,803 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-02 21:32:42,664 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 21:32:43,279 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 21:32:45,118 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-02 21:32:46,920 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 21:32:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:32:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 3840 states and 4552 transitions. [2018-12-02 21:32:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 4552 transitions. [2018-12-02 21:32:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-02 21:32:46,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:32:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 21:33:02,897 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-02 21:33:05,051 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-02 21:33:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:09,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4600 states to 3877 states and 4600 transitions. [2018-12-02 21:33:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3877 states and 4600 transitions. [2018-12-02 21:33:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-02 21:33:09,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-02 21:33:11,507 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-12-02 21:33:16,226 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-12-02 21:33:18,492 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-02 21:33:19,147 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-12-02 21:33:20,861 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-02 21:33:25,418 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2018-12-02 21:33:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4682 states to 3948 states and 4682 transitions. [2018-12-02 21:33:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4682 transitions. [2018-12-02 21:33:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-02 21:33:31,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-02 21:33:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 3971 states and 4706 transitions. [2018-12-02 21:33:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4706 transitions. [2018-12-02 21:33:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-02 21:33:34,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-02 21:33:43,415 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-12-02 21:33:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4751 states to 4015 states and 4751 transitions. [2018-12-02 21:33:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 4751 transitions. [2018-12-02 21:33:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-02 21:33:46,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-02 21:33:48,118 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-02 21:33:50,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4768 states to 4030 states and 4768 transitions. [2018-12-02 21:33:50,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4768 transitions. [2018-12-02 21:33:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 21:33:50,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 21:33:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4768 states to 4031 states and 4768 transitions. [2018-12-02 21:33:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4031 states and 4768 transitions. [2018-12-02 21:33:51,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 21:33:51,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 21:33:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4774 states to 4036 states and 4774 transitions. [2018-12-02 21:33:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 4036 states and 4774 transitions. [2018-12-02 21:33:54,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 21:33:54,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 21:33:57,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4781 states to 4041 states and 4781 transitions. [2018-12-02 21:33:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 4781 transitions. [2018-12-02 21:33:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 21:33:57,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 21:33:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:33:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4042 states and 4782 transitions. [2018-12-02 21:33:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 4042 states and 4782 transitions. [2018-12-02 21:33:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 21:33:59,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:33:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 21:34:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:34:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4046 states and 4786 transitions. [2018-12-02 21:34:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4046 states and 4786 transitions. [2018-12-02 21:34:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 21:34:00,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:34:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:34:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 21:34:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:34:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4050 states and 4790 transitions. [2018-12-02 21:34:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4050 states and 4790 transitions. [2018-12-02 21:34:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 21:34:01,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:34:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:34:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 21:34:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:34:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4452 states to 3742 states and 4452 transitions. [2018-12-02 21:34:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4452 transitions. [2018-12-02 21:34:03,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 21:34:03,220 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 216 iterations. [2018-12-02 21:34:03,227 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 21:34:03,478 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 57 [2018-12-02 21:34:03,697 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 56 [2018-12-02 21:34:04,061 WARN L180 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 54 [2018-12-02 21:34:04,297 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 58 [2018-12-02 21:34:04,664 WARN L180 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 53 [2018-12-02 21:34:05,104 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 53 [2018-12-02 21:34:05,315 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 32 [2018-12-02 21:34:05,579 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 39 [2018-12-02 21:34:05,974 WARN L180 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 54 [2018-12-02 21:34:06,323 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 32 [2018-12-02 21:34:06,686 WARN L180 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 57 [2018-12-02 21:34:06,955 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 39 [2018-12-02 21:34:07,333 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 39 [2018-12-02 21:34:07,596 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 39 [2018-12-02 21:34:07,697 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2018-12-02 21:34:08,076 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 58 [2018-12-02 21:34:08,641 WARN L180 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 56 [2018-12-02 21:34:08,900 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 58 [2018-12-02 21:34:09,296 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2018-12-02 21:34:09,733 WARN L180 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 63 [2018-12-02 21:34:10,070 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 59 [2018-12-02 21:34:10,294 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 52 [2018-12-02 21:34:10,514 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 52 [2018-12-02 21:34:10,627 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 29 [2018-12-02 21:34:10,878 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 56 [2018-12-02 21:34:11,190 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 56 [2018-12-02 21:34:11,401 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 52 [2018-12-02 21:34:11,602 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 33 [2018-12-02 21:34:11,999 WARN L180 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 63 [2018-12-02 21:34:12,347 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 39 [2018-12-02 21:34:12,540 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 33 [2018-12-02 21:34:12,895 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 58 [2018-12-02 21:34:13,423 WARN L180 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 62 [2018-12-02 21:34:13,784 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 63 [2018-12-02 21:34:13,908 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 33 [2018-12-02 21:34:14,282 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 58 [2018-12-02 21:34:14,512 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 32 [2018-12-02 21:34:14,806 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 58 [2018-12-02 21:34:14,933 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 33 [2018-12-02 21:34:15,202 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 58 [2018-12-02 21:34:15,510 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 57 [2018-12-02 21:34:15,935 WARN L180 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 54 [2018-12-02 21:34:16,737 WARN L180 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2018-12-02 21:34:16,842 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 20 [2018-12-02 21:34:16,946 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2018-12-02 21:34:17,285 WARN L180 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 56 [2018-12-02 21:34:17,500 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 58 [2018-12-02 21:34:17,913 WARN L180 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 53 [2018-12-02 21:34:18,049 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2018-12-02 21:34:18,463 WARN L180 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 53 [2018-12-02 21:34:18,870 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 53 [2018-12-02 21:34:19,299 WARN L180 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 58 [2018-12-02 21:34:19,807 WARN L180 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 38 [2018-12-02 21:34:19,807 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 21:34:19,810 INFO L583 CodeCheckObserver]: Invariant with dag size 32 [2018-12-02 21:34:19,818 INFO L583 CodeCheckObserver]: Invariant with dag size 32 [2018-12-02 21:34:19,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:34:19 ImpRootNode [2018-12-02 21:34:19,820 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 21:34:19,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:34:19,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:34:19,821 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:34:19,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:46" (3/4) ... [2018-12-02 21:34:19,826 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 21:34:19,840 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-02 21:34:19,840 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 21:34:19,841 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 21:34:19,842 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 21:34:19,896 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b314196-93dd-4ba9-ace6-14b5f152a2e0/bin-2019/ukojak/witness.graphml [2018-12-02 21:34:19,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:34:19,896 INFO L168 Benchmark]: Toolchain (without parser) took 694707.42 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 946.3 MB in the beginning and 1.7 GB in the end (delta: -788.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 21:34:19,897 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:34:19,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:19,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:19,898 INFO L168 Benchmark]: Boogie Preprocessor took 27.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:19,898 INFO L168 Benchmark]: RCFGBuilder took 1133.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.8 MB in the end (delta: 218.0 MB). Peak memory consumption was 218.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:19,898 INFO L168 Benchmark]: CodeCheck took 693093.01 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 889.8 MB in the beginning and 1.8 GB in the end (delta: -870.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-02 21:34:19,898 INFO L168 Benchmark]: Witness Printer took 75.48 ms. Allocated memory is still 3.3 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:19,900 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, 198 locations, 1 error locations. SAFE Result, 676.4s OverallTime, 216 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -729575204 SDtfs, 582011502 SDslu, 988892450 SDs, 0 SdLazy, -1845260352 SolverSat, -345217024 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1332.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284714 GetRequests, 275177 SyntacticMatches, 6839 SemanticMatches, 2698 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5566533 ImplicationChecksByTransitivity, 630.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 70.6s InterpolantComputationTime, 42540 NumberOfCodeBlocks, 42540 NumberOfCodeBlocksAsserted, 215 NumberOfCheckSat, 42325 ConstructedInterpolants, 0 QuantifiedInterpolants, 55957066 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 215 InterpolantComputations, 161 PerfectInterpolantSequences, 57879/60693 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: 527]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a17 == 1 || ((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || !(a8 == 13)) || ((((!(a7 == 1) && !(a20 == 1)) && a16 == 4) && a12 == 8) && a21 == 1)) || (((((!(a21 == 1) && a7 == 1) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a17 == 1 || ((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || !(a8 == 13)) || ((((!(a7 == 1) && !(a20 == 1)) && a16 == 4) && a12 == 8) && a21 == 1)) || (((((!(a21 == 1) && a7 == 1) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1133.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.8 MB in the end (delta: 218.0 MB). Peak memory consumption was 218.0 MB. Max. memory is 11.5 GB. * CodeCheck took 693093.01 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 889.8 MB in the beginning and 1.8 GB in the end (delta: -870.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 75.48 ms. Allocated memory is still 3.3 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...