./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1_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_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/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 ede185df305af642a5265096891dc95893f4609c 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 13:31:11,311 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 13:31:11,312 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 13:31:11,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 13:31:11,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 13:31:11,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 13:31:11,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 13:31:11,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 13:31:11,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 13:31:11,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 13:31:11,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 13:31:11,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 13:31:11,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 13:31:11,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 13:31:11,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 13:31:11,323 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 13:31:11,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 13:31:11,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 13:31:11,325 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 13:31:11,326 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 13:31:11,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 13:31:11,327 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 13:31:11,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 13:31:11,328 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 13:31:11,328 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 13:31:11,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 13:31:11,329 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 13:31:11,330 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 13:31:11,330 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 13:31:11,331 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 13:31:11,331 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 13:31:11,331 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 13:31:11,331 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 13:31:11,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 13:31:11,332 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 13:31:11,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 13:31:11,332 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 13:31:11,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 13:31:11,339 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 13:31:11,340 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 13:31:11,340 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 13:31:11,340 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 13:31:11,340 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 13:31:11,341 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 13:31:11,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 13:31:11,342 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 13:31:11,342 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 13:31:11,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 13:31:11,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 13:31:11,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 13:31:11,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 13:31:11,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 13:31:11,342 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 13:31:11,342 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 13:31:11,342 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 13:31:11,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 13:31:11,342 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_1e86273b-1307-403f-9d8e-5273ebe80f1f/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 -> ede185df305af642a5265096891dc95893f4609c [2018-12-01 13:31:11,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 13:31:11,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 13:31:11,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 13:31:11,369 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 13:31:11,369 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 13:31:11,370 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/../../sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-12-01 13:31:11,404 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/data/dc92e123c/0c30c652d3e5471691e1f0e8d12ed083/FLAGf1637afbe [2018-12-01 13:31:11,887 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 13:31:11,888 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-12-01 13:31:11,907 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/data/dc92e123c/0c30c652d3e5471691e1f0e8d12ed083/FLAGf1637afbe [2018-12-01 13:31:12,388 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/data/dc92e123c/0c30c652d3e5471691e1f0e8d12ed083 [2018-12-01 13:31:12,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 13:31:12,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 13:31:12,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 13:31:12,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 13:31:12,394 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 13:31:12,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:12,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c841aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12, skipping insertion in model container [2018-12-01 13:31:12,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:12,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 13:31:12,457 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 13:31:12,774 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:31:12,777 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 13:31:12,974 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:31:12,983 INFO L195 MainTranslator]: Completed translation [2018-12-01 13:31:12,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12 WrapperNode [2018-12-01 13:31:12,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 13:31:12,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 13:31:12,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 13:31:12,984 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 13:31:12,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 13:31:13,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 13:31:13,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 13:31:13,069 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 13:31:13,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... [2018-12-01 13:31:13,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 13:31:13,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 13:31:13,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 13:31:13,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 13:31:13,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:31:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 13:31:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 13:31:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 13:31:14,118 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 13:31:14,118 INFO L280 CfgBuilder]: Removed 25 assue(true) statements. [2018-12-01 13:31:14,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:31:14 BoogieIcfgContainer [2018-12-01 13:31:14,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 13:31:14,119 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 13:31:14,120 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 13:31:14,129 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 13:31:14,130 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:31:14" (1/1) ... [2018-12-01 13:31:14,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:31:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:14,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 235 states and 463 transitions. [2018-12-01 13:31:14,178 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 463 transitions. [2018-12-01 13:31:14,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 13:31:14,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 235 states and 421 transitions. [2018-12-01 13:31:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 421 transitions. [2018-12-01 13:31:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:31:14,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 238 states and 483 transitions. [2018-12-01 13:31:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 483 transitions. [2018-12-01 13:31:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:31:14,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:14,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 238 states and 482 transitions. [2018-12-01 13:31:14,496 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 482 transitions. [2018-12-01 13:31:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 13:31:14,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:14,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 241 states and 544 transitions. [2018-12-01 13:31:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 544 transitions. [2018-12-01 13:31:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:31:14,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 250 states and 670 transitions. [2018-12-01 13:31:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 670 transitions. [2018-12-01 13:31:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 13:31:14,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 254 states and 732 transitions. [2018-12-01 13:31:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 732 transitions. [2018-12-01 13:31:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 13:31:14,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 264 states and 812 transitions. [2018-12-01 13:31:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 812 transitions. [2018-12-01 13:31:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 13:31:15,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:15,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 267 states and 816 transitions. [2018-12-01 13:31:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 816 transitions. [2018-12-01 13:31:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 13:31:15,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 272 states and 824 transitions. [2018-12-01 13:31:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 824 transitions. [2018-12-01 13:31:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 13:31:15,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 276 states and 888 transitions. [2018-12-01 13:31:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 888 transitions. [2018-12-01 13:31:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 13:31:15,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 289 states and 936 transitions. [2018-12-01 13:31:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 936 transitions. [2018-12-01 13:31:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 13:31:15,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:15,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 289 states and 934 transitions. [2018-12-01 13:31:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 934 transitions. [2018-12-01 13:31:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 13:31:15,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:31:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:15,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 293 states and 997 transitions. [2018-12-01 13:31:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 997 transitions. [2018-12-01 13:31:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 13:31:15,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 13:31:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 294 states and 998 transitions. [2018-12-01 13:31:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 998 transitions. [2018-12-01 13:31:15,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 13:31:15,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:31:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 295 states and 1002 transitions. [2018-12-01 13:31:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1002 transitions. [2018-12-01 13:31:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 13:31:16,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 296 states and 1004 transitions. [2018-12-01 13:31:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1004 transitions. [2018-12-01 13:31:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 13:31:16,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:31:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 297 states and 1005 transitions. [2018-12-01 13:31:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1005 transitions. [2018-12-01 13:31:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 13:31:16,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 13:31:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 298 states and 1008 transitions. [2018-12-01 13:31:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1008 transitions. [2018-12-01 13:31:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 13:31:16,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 299 states and 1009 transitions. [2018-12-01 13:31:16,264 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1009 transitions. [2018-12-01 13:31:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 13:31:16,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,274 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:31:16,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 300 states and 1010 transitions. [2018-12-01 13:31:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1010 transitions. [2018-12-01 13:31:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:31:16,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 304 states and 1020 transitions. [2018-12-01 13:31:16,453 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1020 transitions. [2018-12-01 13:31:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:31:16,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 306 states and 1021 transitions. [2018-12-01 13:31:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1021 transitions. [2018-12-01 13:31:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:31:16,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:31:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 307 states and 1022 transitions. [2018-12-01 13:31:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1022 transitions. [2018-12-01 13:31:16,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 13:31:16,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 308 states and 1021 transitions. [2018-12-01 13:31:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1021 transitions. [2018-12-01 13:31:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 13:31:16,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 310 states and 1022 transitions. [2018-12-01 13:31:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1022 transitions. [2018-12-01 13:31:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 13:31:16,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 13:31:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 311 states and 1022 transitions. [2018-12-01 13:31:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1022 transitions. [2018-12-01 13:31:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 13:31:16,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:31:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 312 states and 1024 transitions. [2018-12-01 13:31:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1024 transitions. [2018-12-01 13:31:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 13:31:16,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 314 states and 1027 transitions. [2018-12-01 13:31:16,664 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1027 transitions. [2018-12-01 13:31:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 13:31:16,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:16,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 315 states and 1028 transitions. [2018-12-01 13:31:16,699 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1028 transitions. [2018-12-01 13:31:16,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 13:31:16,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 315 states and 1025 transitions. [2018-12-01 13:31:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1025 transitions. [2018-12-01 13:31:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 13:31:16,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 318 states and 1031 transitions. [2018-12-01 13:31:16,778 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1031 transitions. [2018-12-01 13:31:16,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 13:31:16,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 320 states and 1034 transitions. [2018-12-01 13:31:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1034 transitions. [2018-12-01 13:31:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 13:31:16,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:17,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 324 states and 1097 transitions. [2018-12-01 13:31:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1097 transitions. [2018-12-01 13:31:17,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 13:31:17,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 328 states and 1108 transitions. [2018-12-01 13:31:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1108 transitions. [2018-12-01 13:31:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 13:31:17,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:17,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 330 states and 1112 transitions. [2018-12-01 13:31:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1112 transitions. [2018-12-01 13:31:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 13:31:17,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,147 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 332 states and 1113 transitions. [2018-12-01 13:31:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1113 transitions. [2018-12-01 13:31:17,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:31:17,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 334 states and 1117 transitions. [2018-12-01 13:31:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1117 transitions. [2018-12-01 13:31:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:31:17,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 335 states and 1118 transitions. [2018-12-01 13:31:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1118 transitions. [2018-12-01 13:31:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:31:17,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 337 states and 1121 transitions. [2018-12-01 13:31:17,255 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1121 transitions. [2018-12-01 13:31:17,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:31:17,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 339 states and 1123 transitions. [2018-12-01 13:31:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1123 transitions. [2018-12-01 13:31:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:31:17,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 349 states and 1248 transitions. [2018-12-01 13:31:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1248 transitions. [2018-12-01 13:31:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:31:17,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 351 states and 1249 transitions. [2018-12-01 13:31:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1249 transitions. [2018-12-01 13:31:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 13:31:17,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 353 states and 1256 transitions. [2018-12-01 13:31:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1256 transitions. [2018-12-01 13:31:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 13:31:17,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:17,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 355 states and 1259 transitions. [2018-12-01 13:31:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1259 transitions. [2018-12-01 13:31:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 13:31:17,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 356 states and 1260 transitions. [2018-12-01 13:31:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1260 transitions. [2018-12-01 13:31:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 13:31:17,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 357 states and 1262 transitions. [2018-12-01 13:31:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1262 transitions. [2018-12-01 13:31:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 13:31:17,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 358 states and 1263 transitions. [2018-12-01 13:31:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1263 transitions. [2018-12-01 13:31:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 13:31:17,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:17,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 370 states and 1398 transitions. [2018-12-01 13:31:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1398 transitions. [2018-12-01 13:31:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 13:31:17,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 375 states and 1461 transitions. [2018-12-01 13:31:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1461 transitions. [2018-12-01 13:31:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 13:31:18,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 376 states and 1464 transitions. [2018-12-01 13:31:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1464 transitions. [2018-12-01 13:31:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 13:31:18,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 377 states and 1464 transitions. [2018-12-01 13:31:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1464 transitions. [2018-12-01 13:31:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 13:31:18,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:18,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 380 states and 1469 transitions. [2018-12-01 13:31:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1469 transitions. [2018-12-01 13:31:18,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 13:31:18,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 13:31:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 382 states and 1472 transitions. [2018-12-01 13:31:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1472 transitions. [2018-12-01 13:31:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 13:31:18,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 387 states and 1536 transitions. [2018-12-01 13:31:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1536 transitions. [2018-12-01 13:31:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 13:31:18,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 393 states and 1548 transitions. [2018-12-01 13:31:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1548 transitions. [2018-12-01 13:31:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 13:31:18,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 13:31:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 395 states and 1550 transitions. [2018-12-01 13:31:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 1550 transitions. [2018-12-01 13:31:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 13:31:18,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 400 states and 1558 transitions. [2018-12-01 13:31:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 1558 transitions. [2018-12-01 13:31:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 13:31:18,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 401 states and 1561 transitions. [2018-12-01 13:31:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 1561 transitions. [2018-12-01 13:31:18,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 13:31:18,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 13:31:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 403 states and 1564 transitions. [2018-12-01 13:31:18,874 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1564 transitions. [2018-12-01 13:31:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 13:31:18,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 411 states and 1581 transitions. [2018-12-01 13:31:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1581 transitions. [2018-12-01 13:31:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 13:31:18,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 13:31:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 412 states and 1582 transitions. [2018-12-01 13:31:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1582 transitions. [2018-12-01 13:31:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 13:31:18,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 426 states and 1720 transitions. [2018-12-01 13:31:19,490 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1720 transitions. [2018-12-01 13:31:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 13:31:19,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 426 states and 1717 transitions. [2018-12-01 13:31:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1717 transitions. [2018-12-01 13:31:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 13:31:19,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 13:31:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 427 states and 1717 transitions. [2018-12-01 13:31:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1717 transitions. [2018-12-01 13:31:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 13:31:19,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 430 states and 1722 transitions. [2018-12-01 13:31:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1722 transitions. [2018-12-01 13:31:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 13:31:19,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 436 states and 1787 transitions. [2018-12-01 13:31:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1787 transitions. [2018-12-01 13:31:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 13:31:19,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 438 states and 1797 transitions. [2018-12-01 13:31:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1797 transitions. [2018-12-01 13:31:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 13:31:19,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 443 states and 1805 transitions. [2018-12-01 13:31:19,935 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1805 transitions. [2018-12-01 13:31:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 13:31:19,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 444 states and 1808 transitions. [2018-12-01 13:31:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1808 transitions. [2018-12-01 13:31:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 13:31:19,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:19,984 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:20,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 446 states and 1818 transitions. [2018-12-01 13:31:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1818 transitions. [2018-12-01 13:31:20,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 13:31:20,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 448 states and 1822 transitions. [2018-12-01 13:31:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 1822 transitions. [2018-12-01 13:31:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 13:31:20,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:20,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 464 states and 1879 transitions. [2018-12-01 13:31:20,798 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1879 transitions. [2018-12-01 13:31:20,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 13:31:20,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 464 states and 1876 transitions. [2018-12-01 13:31:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1876 transitions. [2018-12-01 13:31:20,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 13:31:20,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:20,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 466 states and 1886 transitions. [2018-12-01 13:31:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1886 transitions. [2018-12-01 13:31:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 13:31:20,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 467 states and 1889 transitions. [2018-12-01 13:31:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1889 transitions. [2018-12-01 13:31:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 13:31:20,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 468 states and 1892 transitions. [2018-12-01 13:31:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1892 transitions. [2018-12-01 13:31:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 13:31:21,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:21,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 472 states and 1957 transitions. [2018-12-01 13:31:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1957 transitions. [2018-12-01 13:31:21,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 13:31:21,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 474 states and 1968 transitions. [2018-12-01 13:31:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1968 transitions. [2018-12-01 13:31:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 13:31:21,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 475 states and 1969 transitions. [2018-12-01 13:31:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1969 transitions. [2018-12-01 13:31:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 13:31:21,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:31:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 476 states and 1972 transitions. [2018-12-01 13:31:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1972 transitions. [2018-12-01 13:31:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 13:31:21,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:31:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 480 states and 2038 transitions. [2018-12-01 13:31:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 2038 transitions. [2018-12-01 13:31:21,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 13:31:21,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 481 states and 2040 transitions. [2018-12-01 13:31:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 2040 transitions. [2018-12-01 13:31:21,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 13:31:21,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:22,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 482 states and 2044 transitions. [2018-12-01 13:31:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 2044 transitions. [2018-12-01 13:31:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 13:31:22,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 484 states and 2056 transitions. [2018-12-01 13:31:22,097 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 2056 transitions. [2018-12-01 13:31:22,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 13:31:22,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 487 states and 2063 transitions. [2018-12-01 13:31:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 2063 transitions. [2018-12-01 13:31:22,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 13:31:22,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 13:31:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 488 states and 2064 transitions. [2018-12-01 13:31:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 2064 transitions. [2018-12-01 13:31:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 13:31:22,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:22,325 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:31:22,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 489 states and 2066 transitions. [2018-12-01 13:31:22,336 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 2066 transitions. [2018-12-01 13:31:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 13:31:22,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:22,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 490 states and 2069 transitions. [2018-12-01 13:31:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 2069 transitions. [2018-12-01 13:31:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 13:31:22,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:22,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 496 states and 2144 transitions. [2018-12-01 13:31:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 2144 transitions. [2018-12-01 13:31:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 13:31:22,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:23,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 497 states and 2145 transitions. [2018-12-01 13:31:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 2145 transitions. [2018-12-01 13:31:23,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 13:31:23,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 500 states and 2216 transitions. [2018-12-01 13:31:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 2216 transitions. [2018-12-01 13:31:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 13:31:23,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 502 states and 2230 transitions. [2018-12-01 13:31:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 2230 transitions. [2018-12-01 13:31:23,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 13:31:23,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 504 states and 2232 transitions. [2018-12-01 13:31:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 2232 transitions. [2018-12-01 13:31:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 13:31:23,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:23,371 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 516 states and 2320 transitions. [2018-12-01 13:31:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 2320 transitions. [2018-12-01 13:31:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 13:31:23,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 517 states and 2322 transitions. [2018-12-01 13:31:23,889 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 2322 transitions. [2018-12-01 13:31:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 13:31:23,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 518 states and 2325 transitions. [2018-12-01 13:31:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 2325 transitions. [2018-12-01 13:31:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 13:31:23,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 519 states and 2327 transitions. [2018-12-01 13:31:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 2327 transitions. [2018-12-01 13:31:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 13:31:24,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 520 states and 2327 transitions. [2018-12-01 13:31:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 2327 transitions. [2018-12-01 13:31:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 13:31:24,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:24,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 522 states and 2342 transitions. [2018-12-01 13:31:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 2342 transitions. [2018-12-01 13:31:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 13:31:24,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:24,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 524 states and 2344 transitions. [2018-12-01 13:31:24,289 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 2344 transitions. [2018-12-01 13:31:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 13:31:24,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 532 states and 2358 transitions. [2018-12-01 13:31:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 2358 transitions. [2018-12-01 13:31:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 13:31:24,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 533 states and 2359 transitions. [2018-12-01 13:31:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 2359 transitions. [2018-12-01 13:31:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 13:31:24,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:24,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 534 states and 2360 transitions. [2018-12-01 13:31:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 2360 transitions. [2018-12-01 13:31:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:24,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 535 states and 2361 transitions. [2018-12-01 13:31:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 2361 transitions. [2018-12-01 13:31:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:24,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 536 states and 2364 transitions. [2018-12-01 13:31:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 2364 transitions. [2018-12-01 13:31:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:24,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 13:31:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 537 states and 2366 transitions. [2018-12-01 13:31:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2366 transitions. [2018-12-01 13:31:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:24,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 539 states and 2381 transitions. [2018-12-01 13:31:24,733 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 2381 transitions. [2018-12-01 13:31:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:24,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 541 states and 2383 transitions. [2018-12-01 13:31:24,777 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 2383 transitions. [2018-12-01 13:31:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:24,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 544 states and 2390 transitions. [2018-12-01 13:31:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 2390 transitions. [2018-12-01 13:31:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:25,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 546 states and 2391 transitions. [2018-12-01 13:31:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 2391 transitions. [2018-12-01 13:31:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:25,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 547 states and 2391 transitions. [2018-12-01 13:31:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 2391 transitions. [2018-12-01 13:31:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 13:31:25,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:25,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 548 states and 2394 transitions. [2018-12-01 13:31:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 2394 transitions. [2018-12-01 13:31:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 552 states and 2404 transitions. [2018-12-01 13:31:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 2404 transitions. [2018-12-01 13:31:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 554 states and 2405 transitions. [2018-12-01 13:31:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 2405 transitions. [2018-12-01 13:31:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:31:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 555 states and 2406 transitions. [2018-12-01 13:31:25,379 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 2406 transitions. [2018-12-01 13:31:25,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 13:31:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 556 states and 2409 transitions. [2018-12-01 13:31:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 2409 transitions. [2018-12-01 13:31:25,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 557 states and 2411 transitions. [2018-12-01 13:31:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 2411 transitions. [2018-12-01 13:31:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 559 states and 2426 transitions. [2018-12-01 13:31:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 2426 transitions. [2018-12-01 13:31:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 561 states and 2428 transitions. [2018-12-01 13:31:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 2428 transitions. [2018-12-01 13:31:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 563 states and 2430 transitions. [2018-12-01 13:31:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 2430 transitions. [2018-12-01 13:31:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 13:31:25,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 565 states and 2434 transitions. [2018-12-01 13:31:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 2434 transitions. [2018-12-01 13:31:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:25,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:25,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 566 states and 2430 transitions. [2018-12-01 13:31:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 2430 transitions. [2018-12-01 13:31:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:25,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 567 states and 2431 transitions. [2018-12-01 13:31:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 2431 transitions. [2018-12-01 13:31:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:25,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 569 states and 2446 transitions. [2018-12-01 13:31:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 2446 transitions. [2018-12-01 13:31:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:26,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:26,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:26,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 571 states and 2448 transitions. [2018-12-01 13:31:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 2448 transitions. [2018-12-01 13:31:26,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:26,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 573 states and 2450 transitions. [2018-12-01 13:31:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 2450 transitions. [2018-12-01 13:31:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:26,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 575 states and 2453 transitions. [2018-12-01 13:31:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 2453 transitions. [2018-12-01 13:31:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:26,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 589 states and 2582 transitions. [2018-12-01 13:31:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 2582 transitions. [2018-12-01 13:31:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:26,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 590 states and 2588 transitions. [2018-12-01 13:31:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 2588 transitions. [2018-12-01 13:31:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 13:31:26,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:26,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:26,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 592 states and 2592 transitions. [2018-12-01 13:31:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 2592 transitions. [2018-12-01 13:31:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:26,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 594 states and 2595 transitions. [2018-12-01 13:31:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 2595 transitions. [2018-12-01 13:31:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 595 states and 2596 transitions. [2018-12-01 13:31:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 2596 transitions. [2018-12-01 13:31:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,120 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:27,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 604 states and 2615 transitions. [2018-12-01 13:31:27,295 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 2615 transitions. [2018-12-01 13:31:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 13:31:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 605 states and 2616 transitions. [2018-12-01 13:31:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 2616 transitions. [2018-12-01 13:31:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 607 states and 2631 transitions. [2018-12-01 13:31:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 2631 transitions. [2018-12-01 13:31:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 609 states and 2633 transitions. [2018-12-01 13:31:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 2633 transitions. [2018-12-01 13:31:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 611 states and 2635 transitions. [2018-12-01 13:31:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 2635 transitions. [2018-12-01 13:31:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 613 states and 2638 transitions. [2018-12-01 13:31:27,538 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 2638 transitions. [2018-12-01 13:31:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 615 states and 2641 transitions. [2018-12-01 13:31:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 2641 transitions. [2018-12-01 13:31:27,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:27,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 624 states and 2760 transitions. [2018-12-01 13:31:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 2760 transitions. [2018-12-01 13:31:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 13:31:28,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 639 states and 2818 transitions. [2018-12-01 13:31:28,870 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 2818 transitions. [2018-12-01 13:31:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:28,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 639 states and 2812 transitions. [2018-12-01 13:31:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 2812 transitions. [2018-12-01 13:31:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:28,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 643 states and 2822 transitions. [2018-12-01 13:31:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 2822 transitions. [2018-12-01 13:31:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 645 states and 2823 transitions. [2018-12-01 13:31:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 2823 transitions. [2018-12-01 13:31:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:31:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 646 states and 2823 transitions. [2018-12-01 13:31:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 2823 transitions. [2018-12-01 13:31:29,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 13:31:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 647 states and 2827 transitions. [2018-12-01 13:31:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 2827 transitions. [2018-12-01 13:31:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 649 states and 2842 transitions. [2018-12-01 13:31:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 2842 transitions. [2018-12-01 13:31:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:29,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 651 states and 2844 transitions. [2018-12-01 13:31:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 2844 transitions. [2018-12-01 13:31:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 653 states and 2846 transitions. [2018-12-01 13:31:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 2846 transitions. [2018-12-01 13:31:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 655 states and 2849 transitions. [2018-12-01 13:31:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 2849 transitions. [2018-12-01 13:31:29,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:29,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 657 states and 2852 transitions. [2018-12-01 13:31:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 2852 transitions. [2018-12-01 13:31:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 657 states and 2848 transitions. [2018-12-01 13:31:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 2848 transitions. [2018-12-01 13:31:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 660 states and 2856 transitions. [2018-12-01 13:31:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 2856 transitions. [2018-12-01 13:31:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 660 states and 2855 transitions. [2018-12-01 13:31:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 2855 transitions. [2018-12-01 13:31:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 13:31:29,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 662 states and 2856 transitions. [2018-12-01 13:31:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2856 transitions. [2018-12-01 13:31:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:29,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 664 states and 2858 transitions. [2018-12-01 13:31:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 2858 transitions. [2018-12-01 13:31:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:29,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 668 states and 2868 transitions. [2018-12-01 13:31:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 2868 transitions. [2018-12-01 13:31:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 670 states and 2883 transitions. [2018-12-01 13:31:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 2883 transitions. [2018-12-01 13:31:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:30,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 672 states and 2885 transitions. [2018-12-01 13:31:30,411 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2885 transitions. [2018-12-01 13:31:30,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 674 states and 2887 transitions. [2018-12-01 13:31:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2887 transitions. [2018-12-01 13:31:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 676 states and 2890 transitions. [2018-12-01 13:31:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 2890 transitions. [2018-12-01 13:31:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 678 states and 2893 transitions. [2018-12-01 13:31:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2893 transitions. [2018-12-01 13:31:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 678 states and 2889 transitions. [2018-12-01 13:31:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2889 transitions. [2018-12-01 13:31:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 683 states and 2902 transitions. [2018-12-01 13:31:30,700 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 2902 transitions. [2018-12-01 13:31:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 685 states and 2905 transitions. [2018-12-01 13:31:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2905 transitions. [2018-12-01 13:31:30,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 685 states and 2904 transitions. [2018-12-01 13:31:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2904 transitions. [2018-12-01 13:31:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 13:31:30,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 687 states and 2905 transitions. [2018-12-01 13:31:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2905 transitions. [2018-12-01 13:31:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 689 states and 2908 transitions. [2018-12-01 13:31:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 2908 transitions. [2018-12-01 13:31:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 690 states and 2909 transitions. [2018-12-01 13:31:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 2909 transitions. [2018-12-01 13:31:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 692 states and 2911 transitions. [2018-12-01 13:31:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2911 transitions. [2018-12-01 13:31:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:31,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 695 states and 2917 transitions. [2018-12-01 13:31:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 2917 transitions. [2018-12-01 13:31:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,293 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:31:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 710 states and 3028 transitions. [2018-12-01 13:31:31,599 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 3028 transitions. [2018-12-01 13:31:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 712 states and 3044 transitions. [2018-12-01 13:31:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 3044 transitions. [2018-12-01 13:31:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 714 states and 3046 transitions. [2018-12-01 13:31:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 3046 transitions. [2018-12-01 13:31:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 716 states and 3048 transitions. [2018-12-01 13:31:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 3048 transitions. [2018-12-01 13:31:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 718 states and 3051 transitions. [2018-12-01 13:31:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 3051 transitions. [2018-12-01 13:31:31,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 720 states and 3054 transitions. [2018-12-01 13:31:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 3054 transitions. [2018-12-01 13:31:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 720 states and 3050 transitions. [2018-12-01 13:31:31,900 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 3050 transitions. [2018-12-01 13:31:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:31,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 731 states and 3103 transitions. [2018-12-01 13:31:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 3103 transitions. [2018-12-01 13:31:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:32,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:32,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 733 states and 3107 transitions. [2018-12-01 13:31:32,840 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 3107 transitions. [2018-12-01 13:31:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 13:31:32,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:32,865 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:32,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 733 states and 3106 transitions. [2018-12-01 13:31:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 3106 transitions. [2018-12-01 13:31:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:32,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:32,995 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 735 states and 3109 transitions. [2018-12-01 13:31:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 3109 transitions. [2018-12-01 13:31:33,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 736 states and 3109 transitions. [2018-12-01 13:31:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 3109 transitions. [2018-12-01 13:31:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:33,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 737 states and 3110 transitions. [2018-12-01 13:31:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 3110 transitions. [2018-12-01 13:31:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 13:31:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 739 states and 3113 transitions. [2018-12-01 13:31:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 3113 transitions. [2018-12-01 13:31:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:31:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 742 states and 3119 transitions. [2018-12-01 13:31:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 3119 transitions. [2018-12-01 13:31:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:31:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 744 states and 3120 transitions. [2018-12-01 13:31:33,227 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 3120 transitions. [2018-12-01 13:31:33,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 746 states and 3136 transitions. [2018-12-01 13:31:33,322 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 3136 transitions. [2018-12-01 13:31:33,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:33,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 748 states and 3138 transitions. [2018-12-01 13:31:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 3138 transitions. [2018-12-01 13:31:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 750 states and 3140 transitions. [2018-12-01 13:31:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 3140 transitions. [2018-12-01 13:31:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 752 states and 3143 transitions. [2018-12-01 13:31:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 3143 transitions. [2018-12-01 13:31:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:33,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 754 states and 3146 transitions. [2018-12-01 13:31:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 3146 transitions. [2018-12-01 13:31:33,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 754 states and 3142 transitions. [2018-12-01 13:31:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 3142 transitions. [2018-12-01 13:31:33,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 13:31:33,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 756 states and 3144 transitions. [2018-12-01 13:31:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 3144 transitions. [2018-12-01 13:31:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:33,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 13:31:33,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 758 states and 3148 transitions. [2018-12-01 13:31:33,698 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 3148 transitions. [2018-12-01 13:31:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:33,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 759 states and 3148 transitions. [2018-12-01 13:31:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 3148 transitions. [2018-12-01 13:31:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:33,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:33,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 760 states and 3149 transitions. [2018-12-01 13:31:33,790 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 3149 transitions. [2018-12-01 13:31:33,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:33,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:31:33,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 762 states and 3152 transitions. [2018-12-01 13:31:33,811 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 3152 transitions. [2018-12-01 13:31:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:33,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 764 states and 3155 transitions. [2018-12-01 13:31:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 3155 transitions. [2018-12-01 13:31:33,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:33,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 13:31:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 766 states and 3156 transitions. [2018-12-01 13:31:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 3156 transitions. [2018-12-01 13:31:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:33,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 768 states and 3172 transitions. [2018-12-01 13:31:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 3172 transitions. [2018-12-01 13:31:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:34,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 770 states and 3174 transitions. [2018-12-01 13:31:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 3174 transitions. [2018-12-01 13:31:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:34,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 772 states and 3176 transitions. [2018-12-01 13:31:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 3176 transitions. [2018-12-01 13:31:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:34,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 774 states and 3179 transitions. [2018-12-01 13:31:34,248 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 3179 transitions. [2018-12-01 13:31:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:34,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 776 states and 3182 transitions. [2018-12-01 13:31:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 3182 transitions. [2018-12-01 13:31:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:34,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 776 states and 3178 transitions. [2018-12-01 13:31:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 3178 transitions. [2018-12-01 13:31:34,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:34,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 778 states and 3180 transitions. [2018-12-01 13:31:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 3180 transitions. [2018-12-01 13:31:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 13:31:34,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 778 states and 3179 transitions. [2018-12-01 13:31:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 3179 transitions. [2018-12-01 13:31:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:31:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 780 states and 3183 transitions. [2018-12-01 13:31:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 3183 transitions. [2018-12-01 13:31:34,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 13:31:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 781 states and 3184 transitions. [2018-12-01 13:31:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 3184 transitions. [2018-12-01 13:31:34,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:31:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 782 states and 3185 transitions. [2018-12-01 13:31:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 3185 transitions. [2018-12-01 13:31:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 784 states and 3187 transitions. [2018-12-01 13:31:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 3187 transitions. [2018-12-01 13:31:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 13:31:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 786 states and 3188 transitions. [2018-12-01 13:31:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 3188 transitions. [2018-12-01 13:31:34,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 788 states and 3204 transitions. [2018-12-01 13:31:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 3204 transitions. [2018-12-01 13:31:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 790 states and 3206 transitions. [2018-12-01 13:31:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 3206 transitions. [2018-12-01 13:31:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:34,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 792 states and 3208 transitions. [2018-12-01 13:31:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 3208 transitions. [2018-12-01 13:31:34,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:34,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 794 states and 3211 transitions. [2018-12-01 13:31:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 3211 transitions. [2018-12-01 13:31:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:35,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 796 states and 3214 transitions. [2018-12-01 13:31:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 3214 transitions. [2018-12-01 13:31:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:35,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 796 states and 3210 transitions. [2018-12-01 13:31:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 3210 transitions. [2018-12-01 13:31:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:35,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3212 states to 798 states and 3212 transitions. [2018-12-01 13:31:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 3212 transitions. [2018-12-01 13:31:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:35,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 798 states and 3211 transitions. [2018-12-01 13:31:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 3211 transitions. [2018-12-01 13:31:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 13:31:35,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 799 states and 3213 transitions. [2018-12-01 13:31:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 3213 transitions. [2018-12-01 13:31:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:35,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 801 states and 3216 transitions. [2018-12-01 13:31:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 3216 transitions. [2018-12-01 13:31:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:31:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 802 states and 3217 transitions. [2018-12-01 13:31:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 3217 transitions. [2018-12-01 13:31:35,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 803 states and 3217 transitions. [2018-12-01 13:31:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 3217 transitions. [2018-12-01 13:31:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 13:31:35,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 805 states and 3219 transitions. [2018-12-01 13:31:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 3219 transitions. [2018-12-01 13:31:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 807 states and 3235 transitions. [2018-12-01 13:31:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 3235 transitions. [2018-12-01 13:31:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:35,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 809 states and 3237 transitions. [2018-12-01 13:31:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 3237 transitions. [2018-12-01 13:31:35,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 811 states and 3239 transitions. [2018-12-01 13:31:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 3239 transitions. [2018-12-01 13:31:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,641 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 813 states and 3242 transitions. [2018-12-01 13:31:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 3242 transitions. [2018-12-01 13:31:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:35,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 815 states and 3245 transitions. [2018-12-01 13:31:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 3245 transitions. [2018-12-01 13:31:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 815 states and 3241 transitions. [2018-12-01 13:31:35,790 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 3241 transitions. [2018-12-01 13:31:35,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 817 states and 3243 transitions. [2018-12-01 13:31:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 3243 transitions. [2018-12-01 13:31:35,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:35,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 818 states and 3244 transitions. [2018-12-01 13:31:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 3244 transitions. [2018-12-01 13:31:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:35,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 13:31:36,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 819 states and 3248 transitions. [2018-12-01 13:31:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 3248 transitions. [2018-12-01 13:31:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 13:31:36,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 820 states and 3250 transitions. [2018-12-01 13:31:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 3250 transitions. [2018-12-01 13:31:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 821 states and 3250 transitions. [2018-12-01 13:31:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 3250 transitions. [2018-12-01 13:31:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 13:31:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 823 states and 3252 transitions. [2018-12-01 13:31:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 3252 transitions. [2018-12-01 13:31:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:36,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 825 states and 3268 transitions. [2018-12-01 13:31:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 3268 transitions. [2018-12-01 13:31:36,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 827 states and 3270 transitions. [2018-12-01 13:31:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 3270 transitions. [2018-12-01 13:31:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 829 states and 3272 transitions. [2018-12-01 13:31:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 3272 transitions. [2018-12-01 13:31:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 831 states and 3275 transitions. [2018-12-01 13:31:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 3275 transitions. [2018-12-01 13:31:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 833 states and 3278 transitions. [2018-12-01 13:31:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 3278 transitions. [2018-12-01 13:31:36,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 833 states and 3274 transitions. [2018-12-01 13:31:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 3274 transitions. [2018-12-01 13:31:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 835 states and 3276 transitions. [2018-12-01 13:31:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 3276 transitions. [2018-12-01 13:31:36,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 840 states and 3293 transitions. [2018-12-01 13:31:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 3293 transitions. [2018-12-01 13:31:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:36,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 840 states and 3292 transitions. [2018-12-01 13:31:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 3292 transitions. [2018-12-01 13:31:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:37,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:37,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 841 states and 3296 transitions. [2018-12-01 13:31:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 3296 transitions. [2018-12-01 13:31:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:37,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 842 states and 3299 transitions. [2018-12-01 13:31:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 3299 transitions. [2018-12-01 13:31:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:37,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 843 states and 3301 transitions. [2018-12-01 13:31:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 3301 transitions. [2018-12-01 13:31:37,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 13:31:37,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 13:31:37,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 844 states and 3303 transitions. [2018-12-01 13:31:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 3303 transitions. [2018-12-01 13:31:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:37,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,611 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 13:31:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 846 states and 3306 transitions. [2018-12-01 13:31:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 3306 transitions. [2018-12-01 13:31:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:37,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 13:31:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 847 states and 3306 transitions. [2018-12-01 13:31:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 3306 transitions. [2018-12-01 13:31:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:37,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 849 states and 3322 transitions. [2018-12-01 13:31:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 3322 transitions. [2018-12-01 13:31:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:37,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 851 states and 3324 transitions. [2018-12-01 13:31:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 3324 transitions. [2018-12-01 13:31:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:37,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,810 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 853 states and 3326 transitions. [2018-12-01 13:31:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 3326 transitions. [2018-12-01 13:31:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:37,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 855 states and 3329 transitions. [2018-12-01 13:31:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 3329 transitions. [2018-12-01 13:31:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:37,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 857 states and 3332 transitions. [2018-12-01 13:31:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 3332 transitions. [2018-12-01 13:31:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:37,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 857 states and 3328 transitions. [2018-12-01 13:31:38,016 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 3328 transitions. [2018-12-01 13:31:38,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:38,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:38,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 859 states and 3330 transitions. [2018-12-01 13:31:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 3330 transitions. [2018-12-01 13:31:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:38,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 861 states and 3332 transitions. [2018-12-01 13:31:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 3332 transitions. [2018-12-01 13:31:38,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:38,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 863 states and 3333 transitions. [2018-12-01 13:31:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 3333 transitions. [2018-12-01 13:31:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 13:31:38,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 864 states and 3334 transitions. [2018-12-01 13:31:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 3334 transitions. [2018-12-01 13:31:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 13:31:38,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 865 states and 3334 transitions. [2018-12-01 13:31:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 3334 transitions. [2018-12-01 13:31:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 867 states and 3350 transitions. [2018-12-01 13:31:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 3350 transitions. [2018-12-01 13:31:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 869 states and 3352 transitions. [2018-12-01 13:31:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 3352 transitions. [2018-12-01 13:31:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 871 states and 3354 transitions. [2018-12-01 13:31:38,398 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 3354 transitions. [2018-12-01 13:31:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 873 states and 3357 transitions. [2018-12-01 13:31:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 3357 transitions. [2018-12-01 13:31:38,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 875 states and 3360 transitions. [2018-12-01 13:31:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 3360 transitions. [2018-12-01 13:31:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 875 states and 3356 transitions. [2018-12-01 13:31:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 3356 transitions. [2018-12-01 13:31:38,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 877 states and 3358 transitions. [2018-12-01 13:31:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 3358 transitions. [2018-12-01 13:31:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 879 states and 3360 transitions. [2018-12-01 13:31:38,689 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 3360 transitions. [2018-12-01 13:31:38,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 881 states and 3361 transitions. [2018-12-01 13:31:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 3361 transitions. [2018-12-01 13:31:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 883 states and 3362 transitions. [2018-12-01 13:31:38,760 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 3362 transitions. [2018-12-01 13:31:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:31:38,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 886 states and 3368 transitions. [2018-12-01 13:31:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 3368 transitions. [2018-12-01 13:31:38,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 13:31:38,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:31:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 887 states and 3369 transitions. [2018-12-01 13:31:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 3369 transitions. [2018-12-01 13:31:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:38,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:38,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 889 states and 3385 transitions. [2018-12-01 13:31:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 3385 transitions. [2018-12-01 13:31:38,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:38,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,909 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:38,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 891 states and 3387 transitions. [2018-12-01 13:31:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 3387 transitions. [2018-12-01 13:31:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:38,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 893 states and 3389 transitions. [2018-12-01 13:31:38,983 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 3389 transitions. [2018-12-01 13:31:38,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:38,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 895 states and 3392 transitions. [2018-12-01 13:31:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 3392 transitions. [2018-12-01 13:31:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:39,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:39,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 897 states and 3395 transitions. [2018-12-01 13:31:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 3395 transitions. [2018-12-01 13:31:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:39,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 897 states and 3391 transitions. [2018-12-01 13:31:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 3391 transitions. [2018-12-01 13:31:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:39,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 898 states and 3395 transitions. [2018-12-01 13:31:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 3395 transitions. [2018-12-01 13:31:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:39,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 900 states and 3400 transitions. [2018-12-01 13:31:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 3400 transitions. [2018-12-01 13:31:39,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:39,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:39,672 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:39,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 902 states and 3402 transitions. [2018-12-01 13:31:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 3402 transitions. [2018-12-01 13:31:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:39,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3404 states to 904 states and 3404 transitions. [2018-12-01 13:31:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 3404 transitions. [2018-12-01 13:31:39,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:39,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 906 states and 3411 transitions. [2018-12-01 13:31:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 3411 transitions. [2018-12-01 13:31:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:39,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 907 states and 3415 transitions. [2018-12-01 13:31:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 3415 transitions. [2018-12-01 13:31:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:40,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,179 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 909 states and 3416 transitions. [2018-12-01 13:31:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 3416 transitions. [2018-12-01 13:31:40,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:40,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 911 states and 3417 transitions. [2018-12-01 13:31:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 3417 transitions. [2018-12-01 13:31:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:40,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 13:31:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 913 states and 3420 transitions. [2018-12-01 13:31:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 3420 transitions. [2018-12-01 13:31:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:40,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 13:31:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 913 states and 3419 transitions. [2018-12-01 13:31:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 3419 transitions. [2018-12-01 13:31:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:40,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 13:31:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 914 states and 3419 transitions. [2018-12-01 13:31:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 3419 transitions. [2018-12-01 13:31:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 13:31:40,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:31:40,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 915 states and 3422 transitions. [2018-12-01 13:31:40,494 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 3422 transitions. [2018-12-01 13:31:40,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:40,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 917 states and 3438 transitions. [2018-12-01 13:31:40,564 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 3438 transitions. [2018-12-01 13:31:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:40,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 919 states and 3440 transitions. [2018-12-01 13:31:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 3440 transitions. [2018-12-01 13:31:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:40,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,653 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 921 states and 3442 transitions. [2018-12-01 13:31:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 3442 transitions. [2018-12-01 13:31:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:40,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 923 states and 3445 transitions. [2018-12-01 13:31:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 3445 transitions. [2018-12-01 13:31:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:40,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 925 states and 3448 transitions. [2018-12-01 13:31:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 3448 transitions. [2018-12-01 13:31:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:40,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 925 states and 3444 transitions. [2018-12-01 13:31:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 3444 transitions. [2018-12-01 13:31:40,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:40,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:41,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 927 states and 3448 transitions. [2018-12-01 13:31:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 3448 transitions. [2018-12-01 13:31:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:41,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 929 states and 3450 transitions. [2018-12-01 13:31:41,257 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 3450 transitions. [2018-12-01 13:31:41,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:41,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3452 states to 931 states and 3452 transitions. [2018-12-01 13:31:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 3452 transitions. [2018-12-01 13:31:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:41,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 933 states and 3454 transitions. [2018-12-01 13:31:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 3454 transitions. [2018-12-01 13:31:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:41,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 935 states and 3458 transitions. [2018-12-01 13:31:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 3458 transitions. [2018-12-01 13:31:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:41,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 13:31:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 944 states and 3498 transitions. [2018-12-01 13:31:42,372 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 3498 transitions. [2018-12-01 13:31:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 13:31:42,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 13:31:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 944 states and 3497 transitions. [2018-12-01 13:31:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 3497 transitions. [2018-12-01 13:31:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:42,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:42,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 946 states and 3513 transitions. [2018-12-01 13:31:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 3513 transitions. [2018-12-01 13:31:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:42,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 948 states and 3515 transitions. [2018-12-01 13:31:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 3515 transitions. [2018-12-01 13:31:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:42,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 950 states and 3517 transitions. [2018-12-01 13:31:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 3517 transitions. [2018-12-01 13:31:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:42,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 952 states and 3520 transitions. [2018-12-01 13:31:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 3520 transitions. [2018-12-01 13:31:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:42,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:42,758 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 954 states and 3523 transitions. [2018-12-01 13:31:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 3523 transitions. [2018-12-01 13:31:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:42,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 954 states and 3519 transitions. [2018-12-01 13:31:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 3519 transitions. [2018-12-01 13:31:42,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:42,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 957 states and 3526 transitions. [2018-12-01 13:31:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 3526 transitions. [2018-12-01 13:31:43,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:43,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 959 states and 3529 transitions. [2018-12-01 13:31:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 3529 transitions. [2018-12-01 13:31:43,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 961 states and 3536 transitions. [2018-12-01 13:31:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 3536 transitions. [2018-12-01 13:31:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:43,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 963 states and 3538 transitions. [2018-12-01 13:31:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 3538 transitions. [2018-12-01 13:31:43,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 965 states and 3540 transitions. [2018-12-01 13:31:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 3540 transitions. [2018-12-01 13:31:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 968 states and 3549 transitions. [2018-12-01 13:31:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 3549 transitions. [2018-12-01 13:31:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 970 states and 3551 transitions. [2018-12-01 13:31:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3551 transitions. [2018-12-01 13:31:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 971 states and 3555 transitions. [2018-12-01 13:31:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 3555 transitions. [2018-12-01 13:31:43,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:43,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 973 states and 3558 transitions. [2018-12-01 13:31:43,837 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 3558 transitions. [2018-12-01 13:31:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:43,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:44,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 975 states and 3567 transitions. [2018-12-01 13:31:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 3567 transitions. [2018-12-01 13:31:44,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:44,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 976 states and 3567 transitions. [2018-12-01 13:31:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 3567 transitions. [2018-12-01 13:31:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:44,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 978 states and 3571 transitions. [2018-12-01 13:31:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 3571 transitions. [2018-12-01 13:31:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 13:31:44,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 13:31:44,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 978 states and 3570 transitions. [2018-12-01 13:31:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 3570 transitions. [2018-12-01 13:31:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 980 states and 3586 transitions. [2018-12-01 13:31:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 3586 transitions. [2018-12-01 13:31:44,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 982 states and 3588 transitions. [2018-12-01 13:31:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 3588 transitions. [2018-12-01 13:31:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 984 states and 3590 transitions. [2018-12-01 13:31:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 3590 transitions. [2018-12-01 13:31:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 986 states and 3593 transitions. [2018-12-01 13:31:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 3593 transitions. [2018-12-01 13:31:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3596 states to 988 states and 3596 transitions. [2018-12-01 13:31:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 3596 transitions. [2018-12-01 13:31:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 988 states and 3592 transitions. [2018-12-01 13:31:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 3592 transitions. [2018-12-01 13:31:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 990 states and 3595 transitions. [2018-12-01 13:31:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 3595 transitions. [2018-12-01 13:31:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 992 states and 3599 transitions. [2018-12-01 13:31:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 3599 transitions. [2018-12-01 13:31:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:44,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 994 states and 3601 transitions. [2018-12-01 13:31:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 3601 transitions. [2018-12-01 13:31:45,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:45,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 996 states and 3603 transitions. [2018-12-01 13:31:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 3603 transitions. [2018-12-01 13:31:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:45,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 998 states and 3608 transitions. [2018-12-01 13:31:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 3608 transitions. [2018-12-01 13:31:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:45,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3610 states to 1000 states and 3610 transitions. [2018-12-01 13:31:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 3610 transitions. [2018-12-01 13:31:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:45,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:45,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 1003 states and 3617 transitions. [2018-12-01 13:31:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 3617 transitions. [2018-12-01 13:31:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:45,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 1005 states and 3620 transitions. [2018-12-01 13:31:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 3620 transitions. [2018-12-01 13:31:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:45,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:46,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3624 states to 1006 states and 3624 transitions. [2018-12-01 13:31:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 3624 transitions. [2018-12-01 13:31:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:46,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 1008 states and 3630 transitions. [2018-12-01 13:31:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 3630 transitions. [2018-12-01 13:31:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:46,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 1010 states and 3636 transitions. [2018-12-01 13:31:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 3636 transitions. [2018-12-01 13:31:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:46,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 1013 states and 3645 transitions. [2018-12-01 13:31:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 3645 transitions. [2018-12-01 13:31:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:46,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 1014 states and 3649 transitions. [2018-12-01 13:31:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 3649 transitions. [2018-12-01 13:31:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:47,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 1017 states and 3654 transitions. [2018-12-01 13:31:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 3654 transitions. [2018-12-01 13:31:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:47,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:47,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3655 states to 1019 states and 3655 transitions. [2018-12-01 13:31:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 3655 transitions. [2018-12-01 13:31:47,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:47,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:47,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 1029 states and 3699 transitions. [2018-12-01 13:31:47,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 3699 transitions. [2018-12-01 13:31:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 13:31:47,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 13:31:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 1029 states and 3698 transitions. [2018-12-01 13:31:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 3698 transitions. [2018-12-01 13:31:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 1031 states and 3714 transitions. [2018-12-01 13:31:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 3714 transitions. [2018-12-01 13:31:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 1033 states and 3716 transitions. [2018-12-01 13:31:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 3716 transitions. [2018-12-01 13:31:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 1035 states and 3718 transitions. [2018-12-01 13:31:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 3718 transitions. [2018-12-01 13:31:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 1037 states and 3721 transitions. [2018-12-01 13:31:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 3721 transitions. [2018-12-01 13:31:48,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 1039 states and 3724 transitions. [2018-12-01 13:31:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 3724 transitions. [2018-12-01 13:31:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 1039 states and 3720 transitions. [2018-12-01 13:31:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 3720 transitions. [2018-12-01 13:31:48,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 1041 states and 3723 transitions. [2018-12-01 13:31:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 3723 transitions. [2018-12-01 13:31:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 1043 states and 3725 transitions. [2018-12-01 13:31:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3725 transitions. [2018-12-01 13:31:48,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 1045 states and 3730 transitions. [2018-12-01 13:31:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3730 transitions. [2018-12-01 13:31:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 1047 states and 3734 transitions. [2018-12-01 13:31:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 3734 transitions. [2018-12-01 13:31:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:48,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 1049 states and 3736 transitions. [2018-12-01 13:31:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 3736 transitions. [2018-12-01 13:31:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 1051 states and 3738 transitions. [2018-12-01 13:31:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 3738 transitions. [2018-12-01 13:31:48,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 1053 states and 3740 transitions. [2018-12-01 13:31:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 3740 transitions. [2018-12-01 13:31:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 1055 states and 3743 transitions. [2018-12-01 13:31:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 3743 transitions. [2018-12-01 13:31:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 1057 states and 3749 transitions. [2018-12-01 13:31:48,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 3749 transitions. [2018-12-01 13:31:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 1059 states and 3751 transitions. [2018-12-01 13:31:48,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 3751 transitions. [2018-12-01 13:31:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 1061 states and 3753 transitions. [2018-12-01 13:31:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 3753 transitions. [2018-12-01 13:31:48,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:31:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1063 states and 3754 transitions. [2018-12-01 13:31:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 3754 transitions. [2018-12-01 13:31:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:48,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:31:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 1065 states and 3755 transitions. [2018-12-01 13:31:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 3755 transitions. [2018-12-01 13:31:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:49,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3760 states to 1066 states and 3760 transitions. [2018-12-01 13:31:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3760 transitions. [2018-12-01 13:31:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 13:31:49,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 13:31:49,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 1067 states and 3762 transitions. [2018-12-01 13:31:49,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 3762 transitions. [2018-12-01 13:31:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3778 states to 1069 states and 3778 transitions. [2018-12-01 13:31:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 3778 transitions. [2018-12-01 13:31:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 1071 states and 3780 transitions. [2018-12-01 13:31:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 3780 transitions. [2018-12-01 13:31:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 1073 states and 3782 transitions. [2018-12-01 13:31:49,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 3782 transitions. [2018-12-01 13:31:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 1075 states and 3785 transitions. [2018-12-01 13:31:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 3785 transitions. [2018-12-01 13:31:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 1077 states and 3788 transitions. [2018-12-01 13:31:49,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 3788 transitions. [2018-12-01 13:31:49,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 1077 states and 3784 transitions. [2018-12-01 13:31:49,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 3784 transitions. [2018-12-01 13:31:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 1079 states and 3788 transitions. [2018-12-01 13:31:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 3788 transitions. [2018-12-01 13:31:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 1081 states and 3791 transitions. [2018-12-01 13:31:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 3791 transitions. [2018-12-01 13:31:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 1083 states and 3793 transitions. [2018-12-01 13:31:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 3793 transitions. [2018-12-01 13:31:49,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 1085 states and 3795 transitions. [2018-12-01 13:31:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 3795 transitions. [2018-12-01 13:31:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 13:31:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 1087 states and 3796 transitions. [2018-12-01 13:31:49,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 3796 transitions. [2018-12-01 13:31:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3801 states to 1089 states and 3801 transitions. [2018-12-01 13:31:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 3801 transitions. [2018-12-01 13:31:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 1091 states and 3803 transitions. [2018-12-01 13:31:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 3803 transitions. [2018-12-01 13:31:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:49,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3805 states to 1093 states and 3805 transitions. [2018-12-01 13:31:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 3805 transitions. [2018-12-01 13:31:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 1095 states and 3807 transitions. [2018-12-01 13:31:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 3807 transitions. [2018-12-01 13:31:50,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:50,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 1097 states and 3810 transitions. [2018-12-01 13:31:50,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 3810 transitions. [2018-12-01 13:31:50,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 1099 states and 3816 transitions. [2018-12-01 13:31:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 3816 transitions. [2018-12-01 13:31:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 1101 states and 3818 transitions. [2018-12-01 13:31:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 3818 transitions. [2018-12-01 13:31:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 13:31:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 1103 states and 3819 transitions. [2018-12-01 13:31:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 3819 transitions. [2018-12-01 13:31:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 13:31:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 1105 states and 3820 transitions. [2018-12-01 13:31:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 3820 transitions. [2018-12-01 13:31:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 13:31:50,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 1105 states and 3819 transitions. [2018-12-01 13:31:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 3819 transitions. [2018-12-01 13:31:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 13:31:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 1106 states and 3821 transitions. [2018-12-01 13:31:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 3821 transitions. [2018-12-01 13:31:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:31:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 1107 states and 3821 transitions. [2018-12-01 13:31:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 3821 transitions. [2018-12-01 13:31:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 13:31:50,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 1108 states and 3822 transitions. [2018-12-01 13:31:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 3822 transitions. [2018-12-01 13:31:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:50,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 1110 states and 3838 transitions. [2018-12-01 13:31:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 3838 transitions. [2018-12-01 13:31:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:50,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 1112 states and 3840 transitions. [2018-12-01 13:31:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 3840 transitions. [2018-12-01 13:31:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:50,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:50,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 1114 states and 3842 transitions. [2018-12-01 13:31:50,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 3842 transitions. [2018-12-01 13:31:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:50,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:50,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 1116 states and 3845 transitions. [2018-12-01 13:31:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 3845 transitions. [2018-12-01 13:31:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:50,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:51,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 1118 states and 3848 transitions. [2018-12-01 13:31:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 3848 transitions. [2018-12-01 13:31:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3844 states to 1118 states and 3844 transitions. [2018-12-01 13:31:51,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 3844 transitions. [2018-12-01 13:31:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,082 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 1120 states and 3847 transitions. [2018-12-01 13:31:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 3847 transitions. [2018-12-01 13:31:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 1122 states and 3851 transitions. [2018-12-01 13:31:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 3851 transitions. [2018-12-01 13:31:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 1124 states and 3853 transitions. [2018-12-01 13:31:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 3853 transitions. [2018-12-01 13:31:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 1126 states and 3855 transitions. [2018-12-01 13:31:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3855 transitions. [2018-12-01 13:31:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 1128 states and 3860 transitions. [2018-12-01 13:31:51,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3860 transitions. [2018-12-01 13:31:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 1130 states and 3862 transitions. [2018-12-01 13:31:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 3862 transitions. [2018-12-01 13:31:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 1132 states and 3864 transitions. [2018-12-01 13:31:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 3864 transitions. [2018-12-01 13:31:51,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,350 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 1134 states and 3866 transitions. [2018-12-01 13:31:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 3866 transitions. [2018-12-01 13:31:51,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 1136 states and 3869 transitions. [2018-12-01 13:31:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 3869 transitions. [2018-12-01 13:31:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3875 states to 1138 states and 3875 transitions. [2018-12-01 13:31:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 3875 transitions. [2018-12-01 13:31:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 1140 states and 3877 transitions. [2018-12-01 13:31:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 3877 transitions. [2018-12-01 13:31:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 13:31:51,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 13:31:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 1140 states and 3876 transitions. [2018-12-01 13:31:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 3876 transitions. [2018-12-01 13:31:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:51,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 1142 states and 3892 transitions. [2018-12-01 13:31:51,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 3892 transitions. [2018-12-01 13:31:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:51,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 1144 states and 3894 transitions. [2018-12-01 13:31:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 3894 transitions. [2018-12-01 13:31:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:51,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 1146 states and 3896 transitions. [2018-12-01 13:31:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 3896 transitions. [2018-12-01 13:31:51,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:51,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:51,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 1148 states and 3899 transitions. [2018-12-01 13:31:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 3899 transitions. [2018-12-01 13:31:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:51,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,832 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3902 states to 1150 states and 3902 transitions. [2018-12-01 13:31:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 3902 transitions. [2018-12-01 13:31:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:51,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 1150 states and 3898 transitions. [2018-12-01 13:31:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 3898 transitions. [2018-12-01 13:31:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:51,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3901 states to 1152 states and 3901 transitions. [2018-12-01 13:31:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 3901 transitions. [2018-12-01 13:31:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:51,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 1154 states and 3905 transitions. [2018-12-01 13:31:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 3905 transitions. [2018-12-01 13:31:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 1156 states and 3907 transitions. [2018-12-01 13:31:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 3907 transitions. [2018-12-01 13:31:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 1158 states and 3909 transitions. [2018-12-01 13:31:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 3909 transitions. [2018-12-01 13:31:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 1160 states and 3914 transitions. [2018-12-01 13:31:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 3914 transitions. [2018-12-01 13:31:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 1162 states and 3916 transitions. [2018-12-01 13:31:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 3916 transitions. [2018-12-01 13:31:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 1164 states and 3918 transitions. [2018-12-01 13:31:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 3918 transitions. [2018-12-01 13:31:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 1166 states and 3920 transitions. [2018-12-01 13:31:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 3920 transitions. [2018-12-01 13:31:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:52,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3923 states to 1168 states and 3923 transitions. [2018-12-01 13:31:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 3923 transitions. [2018-12-01 13:31:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 1170 states and 3929 transitions. [2018-12-01 13:31:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 3929 transitions. [2018-12-01 13:31:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 1172 states and 3931 transitions. [2018-12-01 13:31:52,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3931 transitions. [2018-12-01 13:31:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:31:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 1172 states and 3930 transitions. [2018-12-01 13:31:52,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3930 transitions. [2018-12-01 13:31:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 13:31:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 1173 states and 3933 transitions. [2018-12-01 13:31:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 3933 transitions. [2018-12-01 13:31:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 13:31:52,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3932 states to 1173 states and 3932 transitions. [2018-12-01 13:31:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 3932 transitions. [2018-12-01 13:31:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 13:31:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 1175 states and 3933 transitions. [2018-12-01 13:31:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 3933 transitions. [2018-12-01 13:31:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 13:31:52,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 13:31:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 1176 states and 3934 transitions. [2018-12-01 13:31:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 3934 transitions. [2018-12-01 13:31:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:52,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 1178 states and 3950 transitions. [2018-12-01 13:31:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 3950 transitions. [2018-12-01 13:31:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:52,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 1180 states and 3952 transitions. [2018-12-01 13:31:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 3952 transitions. [2018-12-01 13:31:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 1182 states and 3954 transitions. [2018-12-01 13:31:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 3954 transitions. [2018-12-01 13:31:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 1184 states and 3957 transitions. [2018-12-01 13:31:53,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 3957 transitions. [2018-12-01 13:31:53,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 1186 states and 3960 transitions. [2018-12-01 13:31:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 3960 transitions. [2018-12-01 13:31:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 1186 states and 3956 transitions. [2018-12-01 13:31:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 3956 transitions. [2018-12-01 13:31:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 1188 states and 3959 transitions. [2018-12-01 13:31:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 3959 transitions. [2018-12-01 13:31:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3961 states to 1190 states and 3961 transitions. [2018-12-01 13:31:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 3961 transitions. [2018-12-01 13:31:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 1192 states and 3966 transitions. [2018-12-01 13:31:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 3966 transitions. [2018-12-01 13:31:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 1194 states and 3968 transitions. [2018-12-01 13:31:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 3968 transitions. [2018-12-01 13:31:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:53,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 1196 states and 3970 transitions. [2018-12-01 13:31:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 3970 transitions. [2018-12-01 13:31:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 1198 states and 3974 transitions. [2018-12-01 13:31:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 3974 transitions. [2018-12-01 13:31:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 1200 states and 3976 transitions. [2018-12-01 13:31:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 3976 transitions. [2018-12-01 13:31:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 1202 states and 3978 transitions. [2018-12-01 13:31:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 3978 transitions. [2018-12-01 13:31:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 1204 states and 3981 transitions. [2018-12-01 13:31:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 3981 transitions. [2018-12-01 13:31:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 1206 states and 3987 transitions. [2018-12-01 13:31:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 3987 transitions. [2018-12-01 13:31:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:53,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 1208 states and 3989 transitions. [2018-12-01 13:31:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 3989 transitions. [2018-12-01 13:31:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 13:31:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 1208 states and 3988 transitions. [2018-12-01 13:31:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 3988 transitions. [2018-12-01 13:31:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 13:31:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 1206 states and 3981 transitions. [2018-12-01 13:31:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 3981 transitions. [2018-12-01 13:31:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 13:31:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 1207 states and 3983 transitions. [2018-12-01 13:31:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 3983 transitions. [2018-12-01 13:31:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:53,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 13:31:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3985 states to 1208 states and 3985 transitions. [2018-12-01 13:31:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 3985 transitions. [2018-12-01 13:31:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:54,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 13:31:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 1209 states and 3987 transitions. [2018-12-01 13:31:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 3987 transitions. [2018-12-01 13:31:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:54,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 13:31:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 1211 states and 3988 transitions. [2018-12-01 13:31:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 3988 transitions. [2018-12-01 13:31:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:54,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 13:31:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 1212 states and 3988 transitions. [2018-12-01 13:31:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 3988 transitions. [2018-12-01 13:31:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 13:31:54,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 13:31:54,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3990 states to 1213 states and 3990 transitions. [2018-12-01 13:31:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 3990 transitions. [2018-12-01 13:31:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 1215 states and 4006 transitions. [2018-12-01 13:31:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 4006 transitions. [2018-12-01 13:31:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,453 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 1217 states and 4008 transitions. [2018-12-01 13:31:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 4008 transitions. [2018-12-01 13:31:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 1219 states and 4010 transitions. [2018-12-01 13:31:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 4010 transitions. [2018-12-01 13:31:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4013 states to 1221 states and 4013 transitions. [2018-12-01 13:31:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 4013 transitions. [2018-12-01 13:31:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,656 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:54,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4016 states to 1223 states and 4016 transitions. [2018-12-01 13:31:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 4016 transitions. [2018-12-01 13:31:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4012 states to 1223 states and 4012 transitions. [2018-12-01 13:31:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 4012 transitions. [2018-12-01 13:31:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 1225 states and 4015 transitions. [2018-12-01 13:31:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 4015 transitions. [2018-12-01 13:31:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4017 states to 1227 states and 4017 transitions. [2018-12-01 13:31:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 4017 transitions. [2018-12-01 13:31:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4022 states to 1229 states and 4022 transitions. [2018-12-01 13:31:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 4022 transitions. [2018-12-01 13:31:54,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4026 states to 1231 states and 4026 transitions. [2018-12-01 13:31:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 4026 transitions. [2018-12-01 13:31:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,949 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 1233 states and 4028 transitions. [2018-12-01 13:31:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 4028 transitions. [2018-12-01 13:31:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:54,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 1235 states and 4030 transitions. [2018-12-01 13:31:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 4030 transitions. [2018-12-01 13:31:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:55,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 1237 states and 4032 transitions. [2018-12-01 13:31:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 4032 transitions. [2018-12-01 13:31:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:55,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 1239 states and 4035 transitions. [2018-12-01 13:31:55,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 4035 transitions. [2018-12-01 13:31:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:55,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 1241 states and 4041 transitions. [2018-12-01 13:31:55,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 4041 transitions. [2018-12-01 13:31:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:55,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:55,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 1243 states and 4043 transitions. [2018-12-01 13:31:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 4043 transitions. [2018-12-01 13:31:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:55,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 1245 states and 4045 transitions. [2018-12-01 13:31:55,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 4045 transitions. [2018-12-01 13:31:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:55,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:31:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4046 states to 1247 states and 4046 transitions. [2018-12-01 13:31:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 4046 transitions. [2018-12-01 13:31:55,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 13:31:55,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 13:31:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4047 states to 1248 states and 4047 transitions. [2018-12-01 13:31:55,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 4047 transitions. [2018-12-01 13:31:55,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4063 states to 1250 states and 4063 transitions. [2018-12-01 13:31:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 4063 transitions. [2018-12-01 13:31:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 1252 states and 4065 transitions. [2018-12-01 13:31:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 4065 transitions. [2018-12-01 13:31:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 1254 states and 4067 transitions. [2018-12-01 13:31:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 4067 transitions. [2018-12-01 13:31:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4070 states to 1256 states and 4070 transitions. [2018-12-01 13:31:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 4070 transitions. [2018-12-01 13:31:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 1258 states and 4073 transitions. [2018-12-01 13:31:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 4073 transitions. [2018-12-01 13:31:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 1258 states and 4069 transitions. [2018-12-01 13:31:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 4069 transitions. [2018-12-01 13:31:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4072 states to 1260 states and 4072 transitions. [2018-12-01 13:31:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 4072 transitions. [2018-12-01 13:31:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:55,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 1262 states and 4076 transitions. [2018-12-01 13:31:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 4076 transitions. [2018-12-01 13:31:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 1264 states and 4078 transitions. [2018-12-01 13:31:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 4078 transitions. [2018-12-01 13:31:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:55,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 1266 states and 4083 transitions. [2018-12-01 13:31:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 4083 transitions. [2018-12-01 13:31:55,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:55,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4085 states to 1268 states and 4085 transitions. [2018-12-01 13:31:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 4085 transitions. [2018-12-01 13:31:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:55,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 1270 states and 4087 transitions. [2018-12-01 13:31:55,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 4087 transitions. [2018-12-01 13:31:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:55,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 1272 states and 4089 transitions. [2018-12-01 13:31:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 4089 transitions. [2018-12-01 13:31:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:56,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,021 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4092 states to 1274 states and 4092 transitions. [2018-12-01 13:31:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 4092 transitions. [2018-12-01 13:31:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:56,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 1276 states and 4098 transitions. [2018-12-01 13:31:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 4098 transitions. [2018-12-01 13:31:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:56,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 1278 states and 4100 transitions. [2018-12-01 13:31:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 4100 transitions. [2018-12-01 13:31:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:56,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 13:31:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 1278 states and 4099 transitions. [2018-12-01 13:31:56,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 4099 transitions. [2018-12-01 13:31:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:56,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 1280 states and 4101 transitions. [2018-12-01 13:31:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 4101 transitions. [2018-12-01 13:31:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 13:31:56,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 13:31:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4102 states to 1281 states and 4102 transitions. [2018-12-01 13:31:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 4102 transitions. [2018-12-01 13:31:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 1283 states and 4118 transitions. [2018-12-01 13:31:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 4118 transitions. [2018-12-01 13:31:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:56,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 1285 states and 4120 transitions. [2018-12-01 13:31:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 4120 transitions. [2018-12-01 13:31:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:56,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4122 states to 1287 states and 4122 transitions. [2018-12-01 13:31:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 4122 transitions. [2018-12-01 13:31:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 1289 states and 4125 transitions. [2018-12-01 13:31:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 4125 transitions. [2018-12-01 13:31:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 1291 states and 4128 transitions. [2018-12-01 13:31:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 4128 transitions. [2018-12-01 13:31:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 1291 states and 4124 transitions. [2018-12-01 13:31:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 4124 transitions. [2018-12-01 13:31:56,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 1293 states and 4127 transitions. [2018-12-01 13:31:56,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 4127 transitions. [2018-12-01 13:31:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 1295 states and 4131 transitions. [2018-12-01 13:31:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 4131 transitions. [2018-12-01 13:31:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 1297 states and 4133 transitions. [2018-12-01 13:31:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 4133 transitions. [2018-12-01 13:31:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 1299 states and 4138 transitions. [2018-12-01 13:31:56,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 4138 transitions. [2018-12-01 13:31:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 1301 states and 4140 transitions. [2018-12-01 13:31:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 4140 transitions. [2018-12-01 13:31:56,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 1303 states and 4142 transitions. [2018-12-01 13:31:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 4142 transitions. [2018-12-01 13:31:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 1305 states and 4144 transitions. [2018-12-01 13:31:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 4144 transitions. [2018-12-01 13:31:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:56,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4147 states to 1307 states and 4147 transitions. [2018-12-01 13:31:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 4147 transitions. [2018-12-01 13:31:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 1309 states and 4153 transitions. [2018-12-01 13:31:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 4153 transitions. [2018-12-01 13:31:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 1311 states and 4155 transitions. [2018-12-01 13:31:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 4155 transitions. [2018-12-01 13:31:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 1313 states and 4157 transitions. [2018-12-01 13:31:57,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 4157 transitions. [2018-12-01 13:31:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 13:31:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 1313 states and 4156 transitions. [2018-12-01 13:31:57,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 4156 transitions. [2018-12-01 13:31:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 13:31:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 1311 states and 4149 transitions. [2018-12-01 13:31:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 4149 transitions. [2018-12-01 13:31:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 13:31:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 1312 states and 4149 transitions. [2018-12-01 13:31:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 4149 transitions. [2018-12-01 13:31:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 13:31:57,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4152 states to 1313 states and 4152 transitions. [2018-12-01 13:31:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 4152 transitions. [2018-12-01 13:31:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 45 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:31:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 1317 states and 4165 transitions. [2018-12-01 13:31:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 4165 transitions. [2018-12-01 13:31:57,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 13:31:57,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 1319 states and 4168 transitions. [2018-12-01 13:31:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 4168 transitions. [2018-12-01 13:31:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 13:31:57,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 13:31:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 1321 states and 4169 transitions. [2018-12-01 13:31:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 4169 transitions. [2018-12-01 13:31:57,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:57,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 1323 states and 4185 transitions. [2018-12-01 13:31:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 4185 transitions. [2018-12-01 13:31:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:57,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 1325 states and 4187 transitions. [2018-12-01 13:31:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 4187 transitions. [2018-12-01 13:31:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:57,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 1327 states and 4189 transitions. [2018-12-01 13:31:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 4189 transitions. [2018-12-01 13:31:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:57,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 1329 states and 4192 transitions. [2018-12-01 13:31:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 4192 transitions. [2018-12-01 13:31:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:57,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 1331 states and 4195 transitions. [2018-12-01 13:31:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 4195 transitions. [2018-12-01 13:31:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:57,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 1331 states and 4191 transitions. [2018-12-01 13:31:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 4191 transitions. [2018-12-01 13:31:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:57,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:58,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 1333 states and 4194 transitions. [2018-12-01 13:31:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 4194 transitions. [2018-12-01 13:31:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4196 states to 1335 states and 4196 transitions. [2018-12-01 13:31:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 4196 transitions. [2018-12-01 13:31:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4201 states to 1337 states and 4201 transitions. [2018-12-01 13:31:58,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 4201 transitions. [2018-12-01 13:31:58,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 1339 states and 4203 transitions. [2018-12-01 13:31:58,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 4203 transitions. [2018-12-01 13:31:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,170 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 1341 states and 4205 transitions. [2018-12-01 13:31:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 4205 transitions. [2018-12-01 13:31:58,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4207 states to 1343 states and 4207 transitions. [2018-12-01 13:31:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 4207 transitions. [2018-12-01 13:31:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 1345 states and 4210 transitions. [2018-12-01 13:31:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 4210 transitions. [2018-12-01 13:31:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 1347 states and 4216 transitions. [2018-12-01 13:31:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 4216 transitions. [2018-12-01 13:31:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 1349 states and 4218 transitions. [2018-12-01 13:31:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 4218 transitions. [2018-12-01 13:31:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 13:31:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4217 states to 1349 states and 4217 transitions. [2018-12-01 13:31:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 4217 transitions. [2018-12-01 13:31:58,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 13:31:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 1350 states and 4218 transitions. [2018-12-01 13:31:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 4218 transitions. [2018-12-01 13:31:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 1352 states and 4222 transitions. [2018-12-01 13:31:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 4222 transitions. [2018-12-01 13:31:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 1354 states and 4224 transitions. [2018-12-01 13:31:58,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 4224 transitions. [2018-12-01 13:31:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:31:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1356 states and 4226 transitions. [2018-12-01 13:31:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 4226 transitions. [2018-12-01 13:31:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 13:31:58,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 13:31:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 1358 states and 4227 transitions. [2018-12-01 13:31:58,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 4227 transitions. [2018-12-01 13:31:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:58,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 1360 states and 4243 transitions. [2018-12-01 13:31:58,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 4243 transitions. [2018-12-01 13:31:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:58,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1362 states and 4245 transitions. [2018-12-01 13:31:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 4245 transitions. [2018-12-01 13:31:58,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:58,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 1364 states and 4247 transitions. [2018-12-01 13:31:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 4247 transitions. [2018-12-01 13:31:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:58,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 1366 states and 4250 transitions. [2018-12-01 13:31:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 4250 transitions. [2018-12-01 13:31:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:58,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:31:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 1368 states and 4253 transitions. [2018-12-01 13:31:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 4253 transitions. [2018-12-01 13:31:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:58,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:31:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 1368 states and 4249 transitions. [2018-12-01 13:31:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 4249 transitions. [2018-12-01 13:31:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:58,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 1370 states and 4252 transitions. [2018-12-01 13:31:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 4252 transitions. [2018-12-01 13:31:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,048 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:59,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 1372 states and 4254 transitions. [2018-12-01 13:31:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 4254 transitions. [2018-12-01 13:31:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 1374 states and 4259 transitions. [2018-12-01 13:31:59,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 4259 transitions. [2018-12-01 13:31:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:59,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 1376 states and 4261 transitions. [2018-12-01 13:31:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 4261 transitions. [2018-12-01 13:31:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1378 states and 4263 transitions. [2018-12-01 13:31:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 4263 transitions. [2018-12-01 13:31:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:31:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 1380 states and 4265 transitions. [2018-12-01 13:31:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 4265 transitions. [2018-12-01 13:31:59,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 1382 states and 4268 transitions. [2018-12-01 13:31:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 4268 transitions. [2018-12-01 13:31:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:59,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 1384 states and 4274 transitions. [2018-12-01 13:31:59,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 4274 transitions. [2018-12-01 13:31:59,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 1386 states and 4276 transitions. [2018-12-01 13:31:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 4276 transitions. [2018-12-01 13:31:59,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 51 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 13:31:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 1386 states and 4275 transitions. [2018-12-01 13:31:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 4275 transitions. [2018-12-01 13:31:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 13:31:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 1387 states and 4275 transitions. [2018-12-01 13:31:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 4275 transitions. [2018-12-01 13:31:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:31:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 1389 states and 4279 transitions. [2018-12-01 13:31:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 4279 transitions. [2018-12-01 13:31:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 13:31:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 1390 states and 4282 transitions. [2018-12-01 13:31:59,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 4282 transitions. [2018-12-01 13:31:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:31:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4284 states to 1392 states and 4284 transitions. [2018-12-01 13:31:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 4284 transitions. [2018-12-01 13:31:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:31:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 1394 states and 4293 transitions. [2018-12-01 13:31:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 4293 transitions. [2018-12-01 13:31:59,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 13:31:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 1396 states and 4295 transitions. [2018-12-01 13:31:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 4295 transitions. [2018-12-01 13:31:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:31:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 1397 states and 4296 transitions. [2018-12-01 13:31:59,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 4296 transitions. [2018-12-01 13:31:59,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 13:31:59,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:31:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4297 states to 1398 states and 4297 transitions. [2018-12-01 13:31:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 4297 transitions. [2018-12-01 13:31:59,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:31:59,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 1400 states and 4299 transitions. [2018-12-01 13:31:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 4299 transitions. [2018-12-01 13:31:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:31:59,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:31:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 1402 states and 4301 transitions. [2018-12-01 13:31:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4301 transitions. [2018-12-01 13:31:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:31:59,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:31:59,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:31:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 1404 states and 4304 transitions. [2018-12-01 13:31:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 4304 transitions. [2018-12-01 13:31:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:31:59,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:31:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:31:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4307 states to 1406 states and 4307 transitions. [2018-12-01 13:32:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 4307 transitions. [2018-12-01 13:32:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:00,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 1406 states and 4303 transitions. [2018-12-01 13:32:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 4303 transitions. [2018-12-01 13:32:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4306 states to 1408 states and 4306 transitions. [2018-12-01 13:32:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 4306 transitions. [2018-12-01 13:32:00,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:00,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 1410 states and 4310 transitions. [2018-12-01 13:32:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 4310 transitions. [2018-12-01 13:32:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 1412 states and 4312 transitions. [2018-12-01 13:32:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 4312 transitions. [2018-12-01 13:32:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 1414 states and 4317 transitions. [2018-12-01 13:32:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 4317 transitions. [2018-12-01 13:32:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4319 states to 1416 states and 4319 transitions. [2018-12-01 13:32:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 4319 transitions. [2018-12-01 13:32:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:00,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 1418 states and 4321 transitions. [2018-12-01 13:32:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 4321 transitions. [2018-12-01 13:32:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 1420 states and 4323 transitions. [2018-12-01 13:32:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 4323 transitions. [2018-12-01 13:32:00,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:00,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 1422 states and 4326 transitions. [2018-12-01 13:32:00,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 4326 transitions. [2018-12-01 13:32:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4332 states to 1424 states and 4332 transitions. [2018-12-01 13:32:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 4332 transitions. [2018-12-01 13:32:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 1426 states and 4334 transitions. [2018-12-01 13:32:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 4334 transitions. [2018-12-01 13:32:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,573 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 1428 states and 4336 transitions. [2018-12-01 13:32:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 4336 transitions. [2018-12-01 13:32:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 13:32:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4202 states to 1376 states and 4202 transitions. [2018-12-01 13:32:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 4202 transitions. [2018-12-01 13:32:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 13:32:00,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 1377 states and 4203 transitions. [2018-12-01 13:32:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 4203 transitions. [2018-12-01 13:32:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 13:32:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 1378 states and 4203 transitions. [2018-12-01 13:32:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 4203 transitions. [2018-12-01 13:32:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 13:32:00,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 13:32:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4206 states to 1380 states and 4206 transitions. [2018-12-01 13:32:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 4206 transitions. [2018-12-01 13:32:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:00,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:00,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 1382 states and 4208 transitions. [2018-12-01 13:32:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 4208 transitions. [2018-12-01 13:32:00,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:00,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 1384 states and 4210 transitions. [2018-12-01 13:32:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 4210 transitions. [2018-12-01 13:32:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:00,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:00,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 1386 states and 4213 transitions. [2018-12-01 13:32:00,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 4213 transitions. [2018-12-01 13:32:00,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:00,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 1388 states and 4216 transitions. [2018-12-01 13:32:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 4216 transitions. [2018-12-01 13:32:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 1388 states and 4212 transitions. [2018-12-01 13:32:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 4212 transitions. [2018-12-01 13:32:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 1390 states and 4215 transitions. [2018-12-01 13:32:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 4215 transitions. [2018-12-01 13:32:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 1392 states and 4219 transitions. [2018-12-01 13:32:01,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 4219 transitions. [2018-12-01 13:32:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 1394 states and 4221 transitions. [2018-12-01 13:32:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 4221 transitions. [2018-12-01 13:32:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 1394 states and 4218 transitions. [2018-12-01 13:32:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 4218 transitions. [2018-12-01 13:32:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 1396 states and 4223 transitions. [2018-12-01 13:32:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 4223 transitions. [2018-12-01 13:32:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 1398 states and 4225 transitions. [2018-12-01 13:32:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 4225 transitions. [2018-12-01 13:32:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,394 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 1398 states and 4222 transitions. [2018-12-01 13:32:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 4222 transitions. [2018-12-01 13:32:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 1400 states and 4224 transitions. [2018-12-01 13:32:01,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 4224 transitions. [2018-12-01 13:32:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 1402 states and 4227 transitions. [2018-12-01 13:32:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4227 transitions. [2018-12-01 13:32:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:01,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 1404 states and 4233 transitions. [2018-12-01 13:32:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 4233 transitions. [2018-12-01 13:32:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4235 states to 1406 states and 4235 transitions. [2018-12-01 13:32:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 4235 transitions. [2018-12-01 13:32:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 13:32:01,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 13:32:01,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 1408 states and 4237 transitions. [2018-12-01 13:32:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 4237 transitions. [2018-12-01 13:32:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:01,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4239 states to 1410 states and 4239 transitions. [2018-12-01 13:32:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 4239 transitions. [2018-12-01 13:32:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:01,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1412 states and 4241 transitions. [2018-12-01 13:32:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 4241 transitions. [2018-12-01 13:32:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:01,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 1414 states and 4244 transitions. [2018-12-01 13:32:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 4244 transitions. [2018-12-01 13:32:01,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:01,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 1416 states and 4247 transitions. [2018-12-01 13:32:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 4247 transitions. [2018-12-01 13:32:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:01,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:01,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 1416 states and 4243 transitions. [2018-12-01 13:32:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 4243 transitions. [2018-12-01 13:32:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:01,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 1418 states and 4247 transitions. [2018-12-01 13:32:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 4247 transitions. [2018-12-01 13:32:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:01,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 1420 states and 4250 transitions. [2018-12-01 13:32:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 4250 transitions. [2018-12-01 13:32:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 1422 states and 4252 transitions. [2018-12-01 13:32:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 4252 transitions. [2018-12-01 13:32:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 1424 states and 4257 transitions. [2018-12-01 13:32:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 4257 transitions. [2018-12-01 13:32:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 1424 states and 4254 transitions. [2018-12-01 13:32:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 4254 transitions. [2018-12-01 13:32:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 1426 states and 4256 transitions. [2018-12-01 13:32:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 4256 transitions. [2018-12-01 13:32:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:02,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 1426 states and 4253 transitions. [2018-12-01 13:32:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 4253 transitions. [2018-12-01 13:32:02,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 1428 states and 4255 transitions. [2018-12-01 13:32:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 4255 transitions. [2018-12-01 13:32:02,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 1430 states and 4258 transitions. [2018-12-01 13:32:02,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 4258 transitions. [2018-12-01 13:32:02,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:02,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 1432 states and 4264 transitions. [2018-12-01 13:32:02,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 4264 transitions. [2018-12-01 13:32:02,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:02,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4266 states to 1434 states and 4266 transitions. [2018-12-01 13:32:02,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4266 transitions. [2018-12-01 13:32:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 13:32:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 1405 states and 4119 transitions. [2018-12-01 13:32:02,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 4119 transitions. [2018-12-01 13:32:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-01 13:32:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 1407 states and 4120 transitions. [2018-12-01 13:32:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 4120 transitions. [2018-12-01 13:32:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 13:32:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4123 states to 1409 states and 4123 transitions. [2018-12-01 13:32:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 4123 transitions. [2018-12-01 13:32:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 1410 states and 4125 transitions. [2018-12-01 13:32:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 4125 transitions. [2018-12-01 13:32:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 13:32:02,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,661 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 13:32:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4126 states to 1411 states and 4126 transitions. [2018-12-01 13:32:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 4126 transitions. [2018-12-01 13:32:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:02,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 1413 states and 4128 transitions. [2018-12-01 13:32:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 4128 transitions. [2018-12-01 13:32:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:02,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4130 states to 1415 states and 4130 transitions. [2018-12-01 13:32:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 4130 transitions. [2018-12-01 13:32:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:02,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 1417 states and 4133 transitions. [2018-12-01 13:32:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 4133 transitions. [2018-12-01 13:32:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:02,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 1419 states and 4136 transitions. [2018-12-01 13:32:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 4136 transitions. [2018-12-01 13:32:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:02,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 1419 states and 4132 transitions. [2018-12-01 13:32:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 4132 transitions. [2018-12-01 13:32:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 1421 states and 4135 transitions. [2018-12-01 13:32:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 4135 transitions. [2018-12-01 13:32:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 1423 states and 4139 transitions. [2018-12-01 13:32:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 4139 transitions. [2018-12-01 13:32:03,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 1425 states and 4141 transitions. [2018-12-01 13:32:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 4141 transitions. [2018-12-01 13:32:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 1425 states and 4138 transitions. [2018-12-01 13:32:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 4138 transitions. [2018-12-01 13:32:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 1427 states and 4143 transitions. [2018-12-01 13:32:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 4143 transitions. [2018-12-01 13:32:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4145 states to 1429 states and 4145 transitions. [2018-12-01 13:32:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 4145 transitions. [2018-12-01 13:32:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 1429 states and 4142 transitions. [2018-12-01 13:32:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 4142 transitions. [2018-12-01 13:32:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 1431 states and 4144 transitions. [2018-12-01 13:32:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 4144 transitions. [2018-12-01 13:32:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4147 states to 1433 states and 4147 transitions. [2018-12-01 13:32:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 4147 transitions. [2018-12-01 13:32:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 1435 states and 4153 transitions. [2018-12-01 13:32:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 4153 transitions. [2018-12-01 13:32:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4145 states to 1435 states and 4145 transitions. [2018-12-01 13:32:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 4145 transitions. [2018-12-01 13:32:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-01 13:32:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 1437 states and 4146 transitions. [2018-12-01 13:32:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 4146 transitions. [2018-12-01 13:32:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 13:32:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 1438 states and 4146 transitions. [2018-12-01 13:32:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 4146 transitions. [2018-12-01 13:32:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4154 states to 1441 states and 4154 transitions. [2018-12-01 13:32:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 4154 transitions. [2018-12-01 13:32:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 13:32:03,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 13:32:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 1447 states and 4224 transitions. [2018-12-01 13:32:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 4224 transitions. [2018-12-01 13:32:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1449 states and 4226 transitions. [2018-12-01 13:32:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 4226 transitions. [2018-12-01 13:32:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 1451 states and 4228 transitions. [2018-12-01 13:32:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 4228 transitions. [2018-12-01 13:32:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 1453 states and 4231 transitions. [2018-12-01 13:32:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 4231 transitions. [2018-12-01 13:32:04,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 1455 states and 4234 transitions. [2018-12-01 13:32:04,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 4234 transitions. [2018-12-01 13:32:04,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 1455 states and 4230 transitions. [2018-12-01 13:32:04,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 4230 transitions. [2018-12-01 13:32:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 1457 states and 4233 transitions. [2018-12-01 13:32:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 4233 transitions. [2018-12-01 13:32:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4235 states to 1459 states and 4235 transitions. [2018-12-01 13:32:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 4235 transitions. [2018-12-01 13:32:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 1461 states and 4240 transitions. [2018-12-01 13:32:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 4240 transitions. [2018-12-01 13:32:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 1463 states and 4242 transitions. [2018-12-01 13:32:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 4242 transitions. [2018-12-01 13:32:04,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4239 states to 1463 states and 4239 transitions. [2018-12-01 13:32:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 4239 transitions. [2018-12-01 13:32:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:32:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1465 states and 4241 transitions. [2018-12-01 13:32:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 4241 transitions. [2018-12-01 13:32:04,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 1467 states and 4244 transitions. [2018-12-01 13:32:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 4244 transitions. [2018-12-01 13:32:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 1469 states and 4250 transitions. [2018-12-01 13:32:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 4250 transitions. [2018-12-01 13:32:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:04,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1469 states and 4241 transitions. [2018-12-01 13:32:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 4241 transitions. [2018-12-01 13:32:04,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:32:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1471 states and 4245 transitions. [2018-12-01 13:32:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 4245 transitions. [2018-12-01 13:32:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:32:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1471 states and 4241 transitions. [2018-12-01 13:32:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 4241 transitions. [2018-12-01 13:32:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 13:32:04,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 13:32:05,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 1477 states and 4254 transitions. [2018-12-01 13:32:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 4254 transitions. [2018-12-01 13:32:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 13:32:05,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 1479 states and 4258 transitions. [2018-12-01 13:32:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 4258 transitions. [2018-12-01 13:32:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 13:32:05,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 1481 states and 4260 transitions. [2018-12-01 13:32:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 4260 transitions. [2018-12-01 13:32:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 13:32:05,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1483 states and 4263 transitions. [2018-12-01 13:32:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 4263 transitions. [2018-12-01 13:32:05,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 13:32:05,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4266 states to 1485 states and 4266 transitions. [2018-12-01 13:32:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 4266 transitions. [2018-12-01 13:32:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 13:32:05,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4262 states to 1485 states and 4262 transitions. [2018-12-01 13:32:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 4262 transitions. [2018-12-01 13:32:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 13:32:05,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 1486 states and 4253 transitions. [2018-12-01 13:32:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 4253 transitions. [2018-12-01 13:32:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 13:32:05,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:05,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 1488 states and 4255 transitions. [2018-12-01 13:32:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 4255 transitions. [2018-12-01 13:32:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 13:32:05,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 1490 states and 4258 transitions. [2018-12-01 13:32:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 4258 transitions. [2018-12-01 13:32:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 13:32:05,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:05,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 1492 states and 4261 transitions. [2018-12-01 13:32:05,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 4261 transitions. [2018-12-01 13:32:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 13:32:05,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 1492 states and 4257 transitions. [2018-12-01 13:32:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 4257 transitions. [2018-12-01 13:32:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 13:32:05,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 1494 states and 4260 transitions. [2018-12-01 13:32:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 4260 transitions. [2018-12-01 13:32:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 13:32:05,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 1495 states and 4261 transitions. [2018-12-01 13:32:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 4261 transitions. [2018-12-01 13:32:05,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 13:32:05,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1497 states and 4263 transitions. [2018-12-01 13:32:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 4263 transitions. [2018-12-01 13:32:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 13:32:06,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,022 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4266 states to 1499 states and 4266 transitions. [2018-12-01 13:32:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 4266 transitions. [2018-12-01 13:32:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 13:32:06,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 1501 states and 4269 transitions. [2018-12-01 13:32:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 4269 transitions. [2018-12-01 13:32:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 13:32:06,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 1501 states and 4265 transitions. [2018-12-01 13:32:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 4265 transitions. [2018-12-01 13:32:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 13:32:06,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 1501 states and 4254 transitions. [2018-12-01 13:32:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 4254 transitions. [2018-12-01 13:32:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 13:32:06,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:06,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 1503 states and 4258 transitions. [2018-12-01 13:32:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 4258 transitions. [2018-12-01 13:32:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 13:32:06,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 1505 states and 4261 transitions. [2018-12-01 13:32:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 4261 transitions. [2018-12-01 13:32:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 13:32:06,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 1507 states and 4264 transitions. [2018-12-01 13:32:06,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 4264 transitions. [2018-12-01 13:32:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 13:32:06,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:06,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 1507 states and 4260 transitions. [2018-12-01 13:32:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 4260 transitions. [2018-12-01 13:32:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 13:32:06,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:06,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4262 states to 1509 states and 4262 transitions. [2018-12-01 13:32:06,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 4262 transitions. [2018-12-01 13:32:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 13:32:06,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4266 states to 1511 states and 4266 transitions. [2018-12-01 13:32:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 4266 transitions. [2018-12-01 13:32:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 13:32:06,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 1513 states and 4269 transitions. [2018-12-01 13:32:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 4269 transitions. [2018-12-01 13:32:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 13:32:06,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,673 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 1513 states and 4265 transitions. [2018-12-01 13:32:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 4265 transitions. [2018-12-01 13:32:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 13:32:06,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 1515 states and 4268 transitions. [2018-12-01 13:32:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4268 transitions. [2018-12-01 13:32:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 13:32:06,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 1516 states and 4269 transitions. [2018-12-01 13:32:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 4269 transitions. [2018-12-01 13:32:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 13:32:06,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 1518 states and 4272 transitions. [2018-12-01 13:32:06,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 4272 transitions. [2018-12-01 13:32:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 13:32:06,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 1520 states and 4276 transitions. [2018-12-01 13:32:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 4276 transitions. [2018-12-01 13:32:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 13:32:06,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 1520 states and 4272 transitions. [2018-12-01 13:32:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 4272 transitions. [2018-12-01 13:32:06,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 13:32:06,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 1522 states and 4276 transitions. [2018-12-01 13:32:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 4276 transitions. [2018-12-01 13:32:06,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 13:32:06,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 1523 states and 4276 transitions. [2018-12-01 13:32:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 4276 transitions. [2018-12-01 13:32:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 13:32:07,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:32:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4277 states to 1524 states and 4277 transitions. [2018-12-01 13:32:07,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 4277 transitions. [2018-12-01 13:32:07,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 13:32:07,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 1526 states and 4280 transitions. [2018-12-01 13:32:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 4280 transitions. [2018-12-01 13:32:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 13:32:07,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 1526 states and 4276 transitions. [2018-12-01 13:32:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 4276 transitions. [2018-12-01 13:32:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 13:32:07,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:07,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 1528 states and 4280 transitions. [2018-12-01 13:32:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 4280 transitions. [2018-12-01 13:32:07,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 13:32:07,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 13:32:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 1529 states and 4281 transitions. [2018-12-01 13:32:07,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 4281 transitions. [2018-12-01 13:32:07,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 13:32:07,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:07,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 1530 states and 4282 transitions. [2018-12-01 13:32:07,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 4282 transitions. [2018-12-01 13:32:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 13:32:07,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 1532 states and 4285 transitions. [2018-12-01 13:32:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 4285 transitions. [2018-12-01 13:32:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 13:32:07,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 13:32:07,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4286 states to 1533 states and 4286 transitions. [2018-12-01 13:32:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 4286 transitions. [2018-12-01 13:32:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 13:32:07,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 1535 states and 4288 transitions. [2018-12-01 13:32:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 4288 transitions. [2018-12-01 13:32:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 13:32:07,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:32:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4290 states to 1537 states and 4290 transitions. [2018-12-01 13:32:07,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 4290 transitions. [2018-12-01 13:32:07,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 13:32:07,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 1539 states and 4293 transitions. [2018-12-01 13:32:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 4293 transitions. [2018-12-01 13:32:07,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 13:32:07,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 1540 states and 4293 transitions. [2018-12-01 13:32:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 4293 transitions. [2018-12-01 13:32:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 13:32:07,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,544 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:32:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 1542 states and 4295 transitions. [2018-12-01 13:32:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 4295 transitions. [2018-12-01 13:32:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 13:32:07,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:32:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 1544 states and 4298 transitions. [2018-12-01 13:32:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 4298 transitions. [2018-12-01 13:32:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 13:32:07,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 13:32:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 1545 states and 4298 transitions. [2018-12-01 13:32:07,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 4298 transitions. [2018-12-01 13:32:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 13:32:07,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:32:07,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 1546 states and 4298 transitions. [2018-12-01 13:32:07,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 4298 transitions. [2018-12-01 13:32:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 13:32:07,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:32:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:32:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 13:32:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:32:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 181 states and 255 transitions. [2018-12-01 13:32:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 255 transitions. [2018-12-01 13:32:07,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 13:32:07,710 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 711 iterations. [2018-12-01 13:32:07,716 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 13:32:08,189 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 13:32:08,191 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 13:32:08,195 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-01 13:32:08,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:32:08 ImpRootNode [2018-12-01 13:32:08,197 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 13:32:08,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 13:32:08,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 13:32:08,197 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 13:32:08,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:31:14" (3/4) ... [2018-12-01 13:32:08,201 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 13:32:08,217 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 13:32:08,217 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 13:32:08,243 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1e86273b-1307-403f-9d8e-5273ebe80f1f/bin-2019/ukojak/witness.graphml [2018-12-01 13:32:08,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 13:32:08,244 INFO L168 Benchmark]: Toolchain (without parser) took 55854.13 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 950.6 MB in the beginning and 1.9 GB in the end (delta: -903.8 MB). Peak memory consumption was 820.6 MB. Max. memory is 11.5 GB. [2018-12-01 13:32:08,245 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:32:08,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). Peak memory consumption was 121.6 MB. Max. memory is 11.5 GB. [2018-12-01 13:32:08,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.23 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: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-12-01 13:32:08,246 INFO L168 Benchmark]: Boogie Preprocessor took 63.16 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: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-01 13:32:08,246 INFO L168 Benchmark]: RCFGBuilder took 986.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.1 MB in the end (delta: 206.4 MB). Peak memory consumption was 206.4 MB. Max. memory is 11.5 GB. [2018-12-01 13:32:08,246 INFO L168 Benchmark]: CodeCheck took 54077.40 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 845.1 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 567.7 MB. Max. memory is 11.5 GB. [2018-12-01 13:32:08,246 INFO L168 Benchmark]: Witness Printer took 46.37 ms. Allocated memory is still 2.8 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:32:08,248 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, 237 locations, 1 error locations. SAFE Result, 53.5s OverallTime, 711 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16777216 SDtfs, -2056263354 SDslu, 66767898 SDs, 0 SdLazy, 847627532 SolverSat, 134348800 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2618.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1063559 GetRequests, 1056145 SyntacticMatches, 6814 SemanticMatches, 600 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540292 ImplicationChecksByTransitivity, 29.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 42027 NumberOfCodeBlocks, 42027 NumberOfCodeBlocksAsserted, 710 NumberOfCheckSat, 41317 ConstructedInterpolants, 0 QuantifiedInterpolants, 6290815 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 710 InterpolantComputations, 386 PerfectInterpolantSequences, 18082/22534 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: 1254]: 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((q == 3 && this_m_conn == 1) && this_m_delta == 1) && this_m_conn_data_listener == 1) || q == 0) || (((this_m_conn == 1 && this_m_delta == 1) && q == 4) && this_m_conn_data_listener == 0)) || (((this_m_delta == 1 && this_m_conn == 0) && this_m_conn_data_listener == 0) && q == 2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 592.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). Peak memory consumption was 121.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.23 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: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.16 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: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 986.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.1 MB in the end (delta: 206.4 MB). Peak memory consumption was 206.4 MB. Max. memory is 11.5 GB. * CodeCheck took 54077.40 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 845.1 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 567.7 MB. Max. memory is 11.5 GB. * Witness Printer took 46.37 ms. Allocated memory is still 2.8 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...