./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_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/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_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/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 [2018-12-09 19:08:26,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:08:26,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:08:26,360 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:08:26,360 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:08:26,361 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:08:26,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:08:26,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:08:26,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:08:26,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:08:26,364 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:08:26,364 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:08:26,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:08:26,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:08:26,366 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:08:26,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:08:26,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:08:26,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:08:26,368 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:08:26,369 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:08:26,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:08:26,370 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:08:26,371 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:08:26,372 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:08:26,372 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:08:26,372 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:08:26,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:08:26,373 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:08:26,374 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:08:26,374 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:08:26,374 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:08:26,375 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:08:26,375 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:08:26,375 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:08:26,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:08:26,376 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:08:26,376 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 19:08:26,384 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:08:26,384 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:08:26,384 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:08:26,384 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 19:08:26,385 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:08:26,385 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:08:26,385 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:08:26,385 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:08:26,385 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:08:26,385 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:08:26,385 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:08:26,385 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:08:26,386 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 19:08:26,386 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:08:26,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:08:26,387 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:08:26,387 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:08:26,387 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:08:26,387 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 19:08:26,387 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:08:26,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:08:26,387 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_2b681f09-2ac1-4e67-9fce-174749d76e14/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 [2018-12-09 19:08:26,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:08:26,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:08:26,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:08:26,415 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:08:26,415 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:08:26,416 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/../../sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-12-09 19:08:26,455 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/data/ddb44bf1e/89f79440b59f4dc2861f6da93549aa67/FLAG55d3e9a8a [2018-12-09 19:08:26,993 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:08:26,994 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-12-09 19:08:27,007 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/data/ddb44bf1e/89f79440b59f4dc2861f6da93549aa67/FLAG55d3e9a8a [2018-12-09 19:08:27,486 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/data/ddb44bf1e/89f79440b59f4dc2861f6da93549aa67 [2018-12-09 19:08:27,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:08:27,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:08:27,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:08:27,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:08:27,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:08:27,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:08:27" (1/1) ... [2018-12-09 19:08:27,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa1d3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:27, skipping insertion in model container [2018-12-09 19:08:27,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:08:27" (1/1) ... [2018-12-09 19:08:27,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:08:27,541 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:08:27,878 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:08:27,881 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:08:28,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:08:28,082 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:08:28,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28 WrapperNode [2018-12-09 19:08:28,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:08:28,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:08:28,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:08:28,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:08:28,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:08:28,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:08:28,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:08:28,164 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:08:28,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... [2018-12-09 19:08:28,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:08:28,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:08:28,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:08:28,229 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:08:28,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:08:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:08:29,145 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:08:29,145 INFO L280 CfgBuilder]: Removed 25 assue(true) statements. [2018-12-09 19:08:29,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:29 BoogieIcfgContainer [2018-12-09 19:08:29,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:08:29,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:08:29,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:08:29,156 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:08:29,157 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:29" (1/1) ... [2018-12-09 19:08:29,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 235 states and 463 transitions. [2018-12-09 19:08:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 463 transitions. [2018-12-09 19:08:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 19:08:29,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:29,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 235 states and 421 transitions. [2018-12-09 19:08:29,309 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 421 transitions. [2018-12-09 19:08:29,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 19:08:29,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 238 states and 483 transitions. [2018-12-09 19:08:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 483 transitions. [2018-12-09 19:08:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 19:08:29,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 238 states and 482 transitions. [2018-12-09 19:08:29,534 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 482 transitions. [2018-12-09 19:08:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 19:08:29,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 241 states and 544 transitions. [2018-12-09 19:08:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 544 transitions. [2018-12-09 19:08:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 19:08:29,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 250 states and 670 transitions. [2018-12-09 19:08:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 670 transitions. [2018-12-09 19:08:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 19:08:29,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 254 states and 732 transitions. [2018-12-09 19:08:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 732 transitions. [2018-12-09 19:08:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 19:08:30,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:30,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 264 states and 812 transitions. [2018-12-09 19:08:30,182 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 812 transitions. [2018-12-09 19:08:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 19:08:30,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 267 states and 816 transitions. [2018-12-09 19:08:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 816 transitions. [2018-12-09 19:08:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 19:08:30,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 272 states and 824 transitions. [2018-12-09 19:08:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 824 transitions. [2018-12-09 19:08:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 19:08:30,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 276 states and 888 transitions. [2018-12-09 19:08:30,400 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 888 transitions. [2018-12-09 19:08:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 19:08:30,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 289 states and 936 transitions. [2018-12-09 19:08:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 936 transitions. [2018-12-09 19:08:30,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 19:08:30,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 289 states and 934 transitions. [2018-12-09 19:08:30,802 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 934 transitions. [2018-12-09 19:08:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 19:08:30,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:08:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 293 states and 997 transitions. [2018-12-09 19:08:30,987 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 997 transitions. [2018-12-09 19:08:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:08:30,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:08:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 294 states and 998 transitions. [2018-12-09 19:08:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 998 transitions. [2018-12-09 19:08:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:08:31,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 295 states and 1001 transitions. [2018-12-09 19:08:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1001 transitions. [2018-12-09 19:08:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:08:31,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:08:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 296 states and 1002 transitions. [2018-12-09 19:08:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1002 transitions. [2018-12-09 19:08:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:08:31,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:08:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 297 states and 1003 transitions. [2018-12-09 19:08:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1003 transitions. [2018-12-09 19:08:31,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 19:08:31,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:31,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 298 states and 1005 transitions. [2018-12-09 19:08:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1005 transitions. [2018-12-09 19:08:31,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 19:08:31,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:08:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 299 states and 1005 transitions. [2018-12-09 19:08:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1005 transitions. [2018-12-09 19:08:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 19:08:31,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,264 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:08:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 300 states and 1007 transitions. [2018-12-09 19:08:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1007 transitions. [2018-12-09 19:08:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 19:08:31,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 304 states and 1017 transitions. [2018-12-09 19:08:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1017 transitions. [2018-12-09 19:08:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 19:08:31,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 306 states and 1018 transitions. [2018-12-09 19:08:31,506 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1018 transitions. [2018-12-09 19:08:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 19:08:31,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:08:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 307 states and 1019 transitions. [2018-12-09 19:08:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1019 transitions. [2018-12-09 19:08:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 19:08:31,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 308 states and 1018 transitions. [2018-12-09 19:08:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1018 transitions. [2018-12-09 19:08:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 19:08:31,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:31,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 310 states and 1019 transitions. [2018-12-09 19:08:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1019 transitions. [2018-12-09 19:08:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 19:08:31,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:08:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 311 states and 1019 transitions. [2018-12-09 19:08:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1019 transitions. [2018-12-09 19:08:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 19:08:31,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:08:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 312 states and 1021 transitions. [2018-12-09 19:08:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1021 transitions. [2018-12-09 19:08:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 19:08:31,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 314 states and 1024 transitions. [2018-12-09 19:08:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1024 transitions. [2018-12-09 19:08:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 19:08:31,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 315 states and 1025 transitions. [2018-12-09 19:08:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1025 transitions. [2018-12-09 19:08:31,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 19:08:31,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 315 states and 1022 transitions. [2018-12-09 19:08:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1022 transitions. [2018-12-09 19:08:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 19:08:31,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:31,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 318 states and 1028 transitions. [2018-12-09 19:08:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1028 transitions. [2018-12-09 19:08:31,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 19:08:31,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 320 states and 1031 transitions. [2018-12-09 19:08:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1031 transitions. [2018-12-09 19:08:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 19:08:31,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 324 states and 1094 transitions. [2018-12-09 19:08:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1094 transitions. [2018-12-09 19:08:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 19:08:32,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 328 states and 1103 transitions. [2018-12-09 19:08:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1103 transitions. [2018-12-09 19:08:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 19:08:32,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 332 states and 1111 transitions. [2018-12-09 19:08:32,250 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1111 transitions. [2018-12-09 19:08:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 19:08:32,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 334 states and 1112 transitions. [2018-12-09 19:08:32,295 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1112 transitions. [2018-12-09 19:08:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 19:08:32,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 336 states and 1116 transitions. [2018-12-09 19:08:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1116 transitions. [2018-12-09 19:08:32,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 19:08:32,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 337 states and 1117 transitions. [2018-12-09 19:08:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1117 transitions. [2018-12-09 19:08:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 19:08:32,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 339 states and 1119 transitions. [2018-12-09 19:08:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1119 transitions. [2018-12-09 19:08:32,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 19:08:32,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 341 states and 1121 transitions. [2018-12-09 19:08:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1121 transitions. [2018-12-09 19:08:32,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 19:08:32,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 351 states and 1246 transitions. [2018-12-09 19:08:32,610 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1246 transitions. [2018-12-09 19:08:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 19:08:32,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 353 states and 1247 transitions. [2018-12-09 19:08:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1247 transitions. [2018-12-09 19:08:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 19:08:32,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 355 states and 1250 transitions. [2018-12-09 19:08:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1250 transitions. [2018-12-09 19:08:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 19:08:32,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 357 states and 1253 transitions. [2018-12-09 19:08:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1253 transitions. [2018-12-09 19:08:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 19:08:32,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 358 states and 1254 transitions. [2018-12-09 19:08:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1254 transitions. [2018-12-09 19:08:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 19:08:32,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 359 states and 1255 transitions. [2018-12-09 19:08:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1255 transitions. [2018-12-09 19:08:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 19:08:32,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 360 states and 1256 transitions. [2018-12-09 19:08:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1256 transitions. [2018-12-09 19:08:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 19:08:32,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 372 states and 1392 transitions. [2018-12-09 19:08:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 1392 transitions. [2018-12-09 19:08:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 19:08:33,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 377 states and 1455 transitions. [2018-12-09 19:08:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1455 transitions. [2018-12-09 19:08:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 19:08:33,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:33,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 378 states and 1455 transitions. [2018-12-09 19:08:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1455 transitions. [2018-12-09 19:08:33,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 19:08:33,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 379 states and 1455 transitions. [2018-12-09 19:08:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1455 transitions. [2018-12-09 19:08:33,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 19:08:33,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 382 states and 1460 transitions. [2018-12-09 19:08:33,335 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1460 transitions. [2018-12-09 19:08:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 19:08:33,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:08:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 384 states and 1463 transitions. [2018-12-09 19:08:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1463 transitions. [2018-12-09 19:08:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 19:08:33,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 389 states and 1527 transitions. [2018-12-09 19:08:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 1527 transitions. [2018-12-09 19:08:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 19:08:33,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 395 states and 1539 transitions. [2018-12-09 19:08:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 1539 transitions. [2018-12-09 19:08:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 19:08:33,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:08:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 397 states and 1541 transitions. [2018-12-09 19:08:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1541 transitions. [2018-12-09 19:08:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 19:08:33,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 402 states and 1549 transitions. [2018-12-09 19:08:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1549 transitions. [2018-12-09 19:08:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 19:08:33,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 403 states and 1552 transitions. [2018-12-09 19:08:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1552 transitions. [2018-12-09 19:08:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 19:08:33,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:08:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 405 states and 1555 transitions. [2018-12-09 19:08:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1555 transitions. [2018-12-09 19:08:33,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 19:08:33,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 413 states and 1572 transitions. [2018-12-09 19:08:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1572 transitions. [2018-12-09 19:08:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 19:08:33,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:08:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 414 states and 1573 transitions. [2018-12-09 19:08:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1573 transitions. [2018-12-09 19:08:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 19:08:33,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 428 states and 1711 transitions. [2018-12-09 19:08:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1711 transitions. [2018-12-09 19:08:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 19:08:34,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 428 states and 1708 transitions. [2018-12-09 19:08:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1708 transitions. [2018-12-09 19:08:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 19:08:34,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:08:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 429 states and 1708 transitions. [2018-12-09 19:08:34,578 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1708 transitions. [2018-12-09 19:08:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 19:08:34,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:34,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:34,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 432 states and 1713 transitions. [2018-12-09 19:08:34,597 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1713 transitions. [2018-12-09 19:08:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 19:08:34,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 438 states and 1778 transitions. [2018-12-09 19:08:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1778 transitions. [2018-12-09 19:08:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 19:08:34,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 440 states and 1788 transitions. [2018-12-09 19:08:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1788 transitions. [2018-12-09 19:08:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 19:08:34,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:34,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:34,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 445 states and 1796 transitions. [2018-12-09 19:08:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 1796 transitions. [2018-12-09 19:08:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 19:08:34,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:34,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 446 states and 1799 transitions. [2018-12-09 19:08:34,984 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1799 transitions. [2018-12-09 19:08:34,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 19:08:34,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 448 states and 1809 transitions. [2018-12-09 19:08:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 1809 transitions. [2018-12-09 19:08:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 19:08:35,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:35,045 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 450 states and 1813 transitions. [2018-12-09 19:08:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1813 transitions. [2018-12-09 19:08:35,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 19:08:35,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:35,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 466 states and 1870 transitions. [2018-12-09 19:08:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1870 transitions. [2018-12-09 19:08:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 19:08:35,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:35,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 466 states and 1867 transitions. [2018-12-09 19:08:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1867 transitions. [2018-12-09 19:08:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 19:08:35,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 468 states and 1877 transitions. [2018-12-09 19:08:35,879 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1877 transitions. [2018-12-09 19:08:35,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 19:08:35,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 469 states and 1880 transitions. [2018-12-09 19:08:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1880 transitions. [2018-12-09 19:08:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 19:08:35,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:36,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 474 states and 1948 transitions. [2018-12-09 19:08:36,333 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1948 transitions. [2018-12-09 19:08:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 19:08:36,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 476 states and 1959 transitions. [2018-12-09 19:08:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1959 transitions. [2018-12-09 19:08:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 19:08:36,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 477 states and 1960 transitions. [2018-12-09 19:08:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1960 transitions. [2018-12-09 19:08:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 19:08:36,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:08:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 482 states and 2029 transitions. [2018-12-09 19:08:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 2029 transitions. [2018-12-09 19:08:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 19:08:36,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 483 states and 2031 transitions. [2018-12-09 19:08:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 2031 transitions. [2018-12-09 19:08:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 19:08:36,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 484 states and 2035 transitions. [2018-12-09 19:08:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 2035 transitions. [2018-12-09 19:08:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 19:08:36,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 486 states and 2047 transitions. [2018-12-09 19:08:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 2047 transitions. [2018-12-09 19:08:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 19:08:36,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 489 states and 2054 transitions. [2018-12-09 19:08:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 2054 transitions. [2018-12-09 19:08:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 19:08:37,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:08:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 490 states and 2055 transitions. [2018-12-09 19:08:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 2055 transitions. [2018-12-09 19:08:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 19:08:37,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:08:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:37,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 491 states and 2057 transitions. [2018-12-09 19:08:37,235 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 2057 transitions. [2018-12-09 19:08:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 19:08:37,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 492 states and 2060 transitions. [2018-12-09 19:08:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 2060 transitions. [2018-12-09 19:08:37,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 19:08:37,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 495 states and 2069 transitions. [2018-12-09 19:08:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 2069 transitions. [2018-12-09 19:08:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 19:08:37,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,699 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 498 states and 2135 transitions. [2018-12-09 19:08:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 2135 transitions. [2018-12-09 19:08:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 19:08:37,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 502 states and 2202 transitions. [2018-12-09 19:08:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 2202 transitions. [2018-12-09 19:08:38,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 19:08:38,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,117 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 504 states and 2216 transitions. [2018-12-09 19:08:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 2216 transitions. [2018-12-09 19:08:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 19:08:38,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 506 states and 2218 transitions. [2018-12-09 19:08:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 2218 transitions. [2018-12-09 19:08:38,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 19:08:38,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 518 states and 2308 transitions. [2018-12-09 19:08:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 2308 transitions. [2018-12-09 19:08:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 19:08:38,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 519 states and 2310 transitions. [2018-12-09 19:08:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 2310 transitions. [2018-12-09 19:08:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:08:38,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,864 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 520 states and 2313 transitions. [2018-12-09 19:08:38,871 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 2313 transitions. [2018-12-09 19:08:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:08:38,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 521 states and 2315 transitions. [2018-12-09 19:08:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 2315 transitions. [2018-12-09 19:08:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:08:39,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 522 states and 2315 transitions. [2018-12-09 19:08:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 2315 transitions. [2018-12-09 19:08:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:08:39,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 524 states and 2330 transitions. [2018-12-09 19:08:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 2330 transitions. [2018-12-09 19:08:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:08:39,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 526 states and 2332 transitions. [2018-12-09 19:08:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 2332 transitions. [2018-12-09 19:08:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:08:39,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 534 states and 2346 transitions. [2018-12-09 19:08:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 2346 transitions. [2018-12-09 19:08:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:08:39,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 535 states and 2347 transitions. [2018-12-09 19:08:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 2347 transitions. [2018-12-09 19:08:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:08:39,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:39,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 536 states and 2348 transitions. [2018-12-09 19:08:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 2348 transitions. [2018-12-09 19:08:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:39,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 537 states and 2349 transitions. [2018-12-09 19:08:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2349 transitions. [2018-12-09 19:08:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:39,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 538 states and 2352 transitions. [2018-12-09 19:08:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 2352 transitions. [2018-12-09 19:08:39,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:39,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:08:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 539 states and 2354 transitions. [2018-12-09 19:08:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 2354 transitions. [2018-12-09 19:08:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:39,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 541 states and 2369 transitions. [2018-12-09 19:08:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 2369 transitions. [2018-12-09 19:08:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:39,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,642 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 543 states and 2371 transitions. [2018-12-09 19:08:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 2371 transitions. [2018-12-09 19:08:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:39,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:39,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 546 states and 2378 transitions. [2018-12-09 19:08:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 2378 transitions. [2018-12-09 19:08:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:39,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 548 states and 2379 transitions. [2018-12-09 19:08:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 2379 transitions. [2018-12-09 19:08:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:40,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 549 states and 2379 transitions. [2018-12-09 19:08:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 2379 transitions. [2018-12-09 19:08:40,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 19:08:40,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 550 states and 2382 transitions. [2018-12-09 19:08:40,077 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 2382 transitions. [2018-12-09 19:08:40,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 554 states and 2392 transitions. [2018-12-09 19:08:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 2392 transitions. [2018-12-09 19:08:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 556 states and 2393 transitions. [2018-12-09 19:08:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 2393 transitions. [2018-12-09 19:08:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:08:40,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 557 states and 2394 transitions. [2018-12-09 19:08:40,317 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 2394 transitions. [2018-12-09 19:08:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:08:40,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 558 states and 2397 transitions. [2018-12-09 19:08:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 2397 transitions. [2018-12-09 19:08:40,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 559 states and 2399 transitions. [2018-12-09 19:08:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 2399 transitions. [2018-12-09 19:08:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 561 states and 2414 transitions. [2018-12-09 19:08:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 2414 transitions. [2018-12-09 19:08:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 563 states and 2416 transitions. [2018-12-09 19:08:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 2416 transitions. [2018-12-09 19:08:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,633 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:40,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 565 states and 2418 transitions. [2018-12-09 19:08:40,650 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 2418 transitions. [2018-12-09 19:08:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 19:08:40,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,711 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 567 states and 2422 transitions. [2018-12-09 19:08:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 2422 transitions. [2018-12-09 19:08:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:40,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 568 states and 2418 transitions. [2018-12-09 19:08:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 2418 transitions. [2018-12-09 19:08:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:40,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 569 states and 2419 transitions. [2018-12-09 19:08:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 2419 transitions. [2018-12-09 19:08:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:40,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 571 states and 2434 transitions. [2018-12-09 19:08:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 2434 transitions. [2018-12-09 19:08:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:41,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 573 states and 2436 transitions. [2018-12-09 19:08:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 2436 transitions. [2018-12-09 19:08:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:41,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 575 states and 2438 transitions. [2018-12-09 19:08:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 2438 transitions. [2018-12-09 19:08:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:41,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:41,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 577 states and 2441 transitions. [2018-12-09 19:08:41,148 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 2441 transitions. [2018-12-09 19:08:41,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:41,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 591 states and 2570 transitions. [2018-12-09 19:08:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 2570 transitions. [2018-12-09 19:08:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:41,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 592 states and 2576 transitions. [2018-12-09 19:08:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 2576 transitions. [2018-12-09 19:08:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:08:41,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 594 states and 2580 transitions. [2018-12-09 19:08:41,933 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 2580 transitions. [2018-12-09 19:08:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:41,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 596 states and 2583 transitions. [2018-12-09 19:08:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 2583 transitions. [2018-12-09 19:08:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:41,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 597 states and 2584 transitions. [2018-12-09 19:08:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 2584 transitions. [2018-12-09 19:08:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:42,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 606 states and 2603 transitions. [2018-12-09 19:08:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 2603 transitions. [2018-12-09 19:08:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:42,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:08:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 607 states and 2604 transitions. [2018-12-09 19:08:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 2604 transitions. [2018-12-09 19:08:42,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:42,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 609 states and 2619 transitions. [2018-12-09 19:08:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 2619 transitions. [2018-12-09 19:08:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:42,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 611 states and 2621 transitions. [2018-12-09 19:08:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 2621 transitions. [2018-12-09 19:08:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:42,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 613 states and 2623 transitions. [2018-12-09 19:08:42,401 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 2623 transitions. [2018-12-09 19:08:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:42,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 615 states and 2626 transitions. [2018-12-09 19:08:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 2626 transitions. [2018-12-09 19:08:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:42,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 617 states and 2629 transitions. [2018-12-09 19:08:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 2629 transitions. [2018-12-09 19:08:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:42,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 626 states and 2748 transitions. [2018-12-09 19:08:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 2748 transitions. [2018-12-09 19:08:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:08:43,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 641 states and 2806 transitions. [2018-12-09 19:08:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 2806 transitions. [2018-12-09 19:08:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:43,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 641 states and 2800 transitions. [2018-12-09 19:08:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 2800 transitions. [2018-12-09 19:08:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:43,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 645 states and 2810 transitions. [2018-12-09 19:08:44,049 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 2810 transitions. [2018-12-09 19:08:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 647 states and 2811 transitions. [2018-12-09 19:08:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 2811 transitions. [2018-12-09 19:08:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:08:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 648 states and 2811 transitions. [2018-12-09 19:08:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 2811 transitions. [2018-12-09 19:08:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:08:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 649 states and 2815 transitions. [2018-12-09 19:08:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 2815 transitions. [2018-12-09 19:08:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 651 states and 2830 transitions. [2018-12-09 19:08:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 2830 transitions. [2018-12-09 19:08:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:44,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 653 states and 2832 transitions. [2018-12-09 19:08:44,393 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 2832 transitions. [2018-12-09 19:08:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:44,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 655 states and 2834 transitions. [2018-12-09 19:08:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 2834 transitions. [2018-12-09 19:08:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 657 states and 2837 transitions. [2018-12-09 19:08:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 2837 transitions. [2018-12-09 19:08:44,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 659 states and 2840 transitions. [2018-12-09 19:08:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 2840 transitions. [2018-12-09 19:08:44,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 659 states and 2836 transitions. [2018-12-09 19:08:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 2836 transitions. [2018-12-09 19:08:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 662 states and 2844 transitions. [2018-12-09 19:08:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2844 transitions. [2018-12-09 19:08:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 662 states and 2843 transitions. [2018-12-09 19:08:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2843 transitions. [2018-12-09 19:08:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 19:08:44,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 664 states and 2844 transitions. [2018-12-09 19:08:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 2844 transitions. [2018-12-09 19:08:44,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:44,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 666 states and 2846 transitions. [2018-12-09 19:08:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 2846 transitions. [2018-12-09 19:08:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:44,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 670 states and 2856 transitions. [2018-12-09 19:08:45,176 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 2856 transitions. [2018-12-09 19:08:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 672 states and 2871 transitions. [2018-12-09 19:08:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2871 transitions. [2018-12-09 19:08:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 674 states and 2873 transitions. [2018-12-09 19:08:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2873 transitions. [2018-12-09 19:08:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 676 states and 2875 transitions. [2018-12-09 19:08:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 2875 transitions. [2018-12-09 19:08:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 678 states and 2878 transitions. [2018-12-09 19:08:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2878 transitions. [2018-12-09 19:08:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 680 states and 2881 transitions. [2018-12-09 19:08:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 2881 transitions. [2018-12-09 19:08:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 680 states and 2877 transitions. [2018-12-09 19:08:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 2877 transitions. [2018-12-09 19:08:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 685 states and 2890 transitions. [2018-12-09 19:08:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2890 transitions. [2018-12-09 19:08:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 687 states and 2893 transitions. [2018-12-09 19:08:45,647 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2893 transitions. [2018-12-09 19:08:45,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 687 states and 2892 transitions. [2018-12-09 19:08:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2892 transitions. [2018-12-09 19:08:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 19:08:45,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 689 states and 2893 transitions. [2018-12-09 19:08:45,906 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 2893 transitions. [2018-12-09 19:08:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:45,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 691 states and 2896 transitions. [2018-12-09 19:08:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 2896 transitions. [2018-12-09 19:08:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:45,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 692 states and 2897 transitions. [2018-12-09 19:08:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2897 transitions. [2018-12-09 19:08:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:45,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 694 states and 2899 transitions. [2018-12-09 19:08:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2899 transitions. [2018-12-09 19:08:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 697 states and 2905 transitions. [2018-12-09 19:08:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 2905 transitions. [2018-12-09 19:08:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 712 states and 3016 transitions. [2018-12-09 19:08:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 3016 transitions. [2018-12-09 19:08:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 714 states and 3032 transitions. [2018-12-09 19:08:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 3032 transitions. [2018-12-09 19:08:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 716 states and 3034 transitions. [2018-12-09 19:08:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 3034 transitions. [2018-12-09 19:08:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 718 states and 3036 transitions. [2018-12-09 19:08:46,607 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 3036 transitions. [2018-12-09 19:08:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 720 states and 3039 transitions. [2018-12-09 19:08:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 3039 transitions. [2018-12-09 19:08:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 722 states and 3042 transitions. [2018-12-09 19:08:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 3042 transitions. [2018-12-09 19:08:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 722 states and 3038 transitions. [2018-12-09 19:08:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 3038 transitions. [2018-12-09 19:08:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:46,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 733 states and 3091 transitions. [2018-12-09 19:08:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 3091 transitions. [2018-12-09 19:08:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:47,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:47,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 735 states and 3095 transitions. [2018-12-09 19:08:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 3095 transitions. [2018-12-09 19:08:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 19:08:47,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 735 states and 3094 transitions. [2018-12-09 19:08:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 3094 transitions. [2018-12-09 19:08:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:47,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 737 states and 3097 transitions. [2018-12-09 19:08:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 3097 transitions. [2018-12-09 19:08:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:47,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 738 states and 3097 transitions. [2018-12-09 19:08:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 3097 transitions. [2018-12-09 19:08:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:47,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 739 states and 3098 transitions. [2018-12-09 19:08:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 3098 transitions. [2018-12-09 19:08:47,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:47,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:08:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 741 states and 3101 transitions. [2018-12-09 19:08:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 3101 transitions. [2018-12-09 19:08:48,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:08:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 744 states and 3107 transitions. [2018-12-09 19:08:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 3107 transitions. [2018-12-09 19:08:48,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:08:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 746 states and 3108 transitions. [2018-12-09 19:08:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 3108 transitions. [2018-12-09 19:08:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 748 states and 3124 transitions. [2018-12-09 19:08:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 3124 transitions. [2018-12-09 19:08:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 750 states and 3126 transitions. [2018-12-09 19:08:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 3126 transitions. [2018-12-09 19:08:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 752 states and 3128 transitions. [2018-12-09 19:08:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 3128 transitions. [2018-12-09 19:08:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:48,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 754 states and 3131 transitions. [2018-12-09 19:08:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 3131 transitions. [2018-12-09 19:08:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3134 states to 756 states and 3134 transitions. [2018-12-09 19:08:48,387 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 3134 transitions. [2018-12-09 19:08:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:48,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 756 states and 3130 transitions. [2018-12-09 19:08:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 3130 transitions. [2018-12-09 19:08:48,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:08:48,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 758 states and 3132 transitions. [2018-12-09 19:08:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 3132 transitions. [2018-12-09 19:08:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:08:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 760 states and 3136 transitions. [2018-12-09 19:08:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 3136 transitions. [2018-12-09 19:08:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 761 states and 3136 transitions. [2018-12-09 19:08:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 3136 transitions. [2018-12-09 19:08:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 762 states and 3137 transitions. [2018-12-09 19:08:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 3137 transitions. [2018-12-09 19:08:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:08:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 764 states and 3140 transitions. [2018-12-09 19:08:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 3140 transitions. [2018-12-09 19:08:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 766 states and 3143 transitions. [2018-12-09 19:08:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 3143 transitions. [2018-12-09 19:08:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:08:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 768 states and 3144 transitions. [2018-12-09 19:08:48,753 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 3144 transitions. [2018-12-09 19:08:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:48,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 770 states and 3160 transitions. [2018-12-09 19:08:48,837 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 3160 transitions. [2018-12-09 19:08:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 772 states and 3162 transitions. [2018-12-09 19:08:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 3162 transitions. [2018-12-09 19:08:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 774 states and 3164 transitions. [2018-12-09 19:08:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 3164 transitions. [2018-12-09 19:08:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,938 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 776 states and 3167 transitions. [2018-12-09 19:08:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 3167 transitions. [2018-12-09 19:08:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:48,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 778 states and 3170 transitions. [2018-12-09 19:08:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 3170 transitions. [2018-12-09 19:08:49,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:49,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 778 states and 3166 transitions. [2018-12-09 19:08:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 3166 transitions. [2018-12-09 19:08:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:49,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 780 states and 3168 transitions. [2018-12-09 19:08:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 3168 transitions. [2018-12-09 19:08:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:08:49,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 780 states and 3167 transitions. [2018-12-09 19:08:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 3167 transitions. [2018-12-09 19:08:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:08:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 782 states and 3171 transitions. [2018-12-09 19:08:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 3171 transitions. [2018-12-09 19:08:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:08:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 783 states and 3172 transitions. [2018-12-09 19:08:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 3172 transitions. [2018-12-09 19:08:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:08:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 784 states and 3173 transitions. [2018-12-09 19:08:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 3173 transitions. [2018-12-09 19:08:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 786 states and 3175 transitions. [2018-12-09 19:08:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 3175 transitions. [2018-12-09 19:08:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:08:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 788 states and 3176 transitions. [2018-12-09 19:08:49,470 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 3176 transitions. [2018-12-09 19:08:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:49,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 790 states and 3192 transitions. [2018-12-09 19:08:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 3192 transitions. [2018-12-09 19:08:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 792 states and 3194 transitions. [2018-12-09 19:08:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 3194 transitions. [2018-12-09 19:08:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 794 states and 3196 transitions. [2018-12-09 19:08:49,629 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 3196 transitions. [2018-12-09 19:08:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 796 states and 3199 transitions. [2018-12-09 19:08:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 3199 transitions. [2018-12-09 19:08:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 798 states and 3202 transitions. [2018-12-09 19:08:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 3202 transitions. [2018-12-09 19:08:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 798 states and 3198 transitions. [2018-12-09 19:08:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 3198 transitions. [2018-12-09 19:08:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 800 states and 3200 transitions. [2018-12-09 19:08:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 3200 transitions. [2018-12-09 19:08:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 800 states and 3199 transitions. [2018-12-09 19:08:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 3199 transitions. [2018-12-09 19:08:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:08:49,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 801 states and 3201 transitions. [2018-12-09 19:08:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 3201 transitions. [2018-12-09 19:08:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:49,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 803 states and 3204 transitions. [2018-12-09 19:08:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 3204 transitions. [2018-12-09 19:08:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:49,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:08:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 804 states and 3205 transitions. [2018-12-09 19:08:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 3205 transitions. [2018-12-09 19:08:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:50,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 805 states and 3205 transitions. [2018-12-09 19:08:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 3205 transitions. [2018-12-09 19:08:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:08:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 807 states and 3207 transitions. [2018-12-09 19:08:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 3207 transitions. [2018-12-09 19:08:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 809 states and 3223 transitions. [2018-12-09 19:08:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 3223 transitions. [2018-12-09 19:08:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 811 states and 3225 transitions. [2018-12-09 19:08:50,199 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 3225 transitions. [2018-12-09 19:08:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 813 states and 3227 transitions. [2018-12-09 19:08:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 3227 transitions. [2018-12-09 19:08:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:50,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 815 states and 3230 transitions. [2018-12-09 19:08:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 3230 transitions. [2018-12-09 19:08:50,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 817 states and 3233 transitions. [2018-12-09 19:08:50,371 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 3233 transitions. [2018-12-09 19:08:50,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 817 states and 3229 transitions. [2018-12-09 19:08:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 3229 transitions. [2018-12-09 19:08:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,416 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 819 states and 3231 transitions. [2018-12-09 19:08:50,447 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 3231 transitions. [2018-12-09 19:08:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 820 states and 3232 transitions. [2018-12-09 19:08:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 3232 transitions. [2018-12-09 19:08:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:08:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 821 states and 3236 transitions. [2018-12-09 19:08:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 3236 transitions. [2018-12-09 19:08:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 19:08:50,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 822 states and 3238 transitions. [2018-12-09 19:08:50,688 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 3238 transitions. [2018-12-09 19:08:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:50,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 823 states and 3238 transitions. [2018-12-09 19:08:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 3238 transitions. [2018-12-09 19:08:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:50,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:08:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 825 states and 3240 transitions. [2018-12-09 19:08:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 3240 transitions. [2018-12-09 19:08:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:50,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 827 states and 3256 transitions. [2018-12-09 19:08:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 3256 transitions. [2018-12-09 19:08:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:50,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 829 states and 3258 transitions. [2018-12-09 19:08:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 3258 transitions. [2018-12-09 19:08:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:50,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 831 states and 3260 transitions. [2018-12-09 19:08:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 3260 transitions. [2018-12-09 19:08:50,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:50,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 833 states and 3263 transitions. [2018-12-09 19:08:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 3263 transitions. [2018-12-09 19:08:50,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:50,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 835 states and 3266 transitions. [2018-12-09 19:08:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 3266 transitions. [2018-12-09 19:08:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:51,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 835 states and 3262 transitions. [2018-12-09 19:08:51,072 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 3262 transitions. [2018-12-09 19:08:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:51,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 836 states and 3266 transitions. [2018-12-09 19:08:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 3266 transitions. [2018-12-09 19:08:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:51,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:51,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:51,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 838 states and 3268 transitions. [2018-12-09 19:08:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 3268 transitions. [2018-12-09 19:08:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:51,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 840 states and 3275 transitions. [2018-12-09 19:08:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 3275 transitions. [2018-12-09 19:08:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:51,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 843 states and 3284 transitions. [2018-12-09 19:08:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 3284 transitions. [2018-12-09 19:08:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:51,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 844 states and 3287 transitions. [2018-12-09 19:08:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 3287 transitions. [2018-12-09 19:08:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:51,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:08:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 845 states and 3289 transitions. [2018-12-09 19:08:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 3289 transitions. [2018-12-09 19:08:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 19:08:52,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:08:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 846 states and 3291 transitions. [2018-12-09 19:08:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 3291 transitions. [2018-12-09 19:08:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:08:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 848 states and 3294 transitions. [2018-12-09 19:08:52,244 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 3294 transitions. [2018-12-09 19:08:52,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:08:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 849 states and 3294 transitions. [2018-12-09 19:08:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 3294 transitions. [2018-12-09 19:08:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:52,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 851 states and 3310 transitions. [2018-12-09 19:08:52,356 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 3310 transitions. [2018-12-09 19:08:52,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 853 states and 3312 transitions. [2018-12-09 19:08:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 3312 transitions. [2018-12-09 19:08:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 855 states and 3314 transitions. [2018-12-09 19:08:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 3314 transitions. [2018-12-09 19:08:52,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 857 states and 3317 transitions. [2018-12-09 19:08:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 3317 transitions. [2018-12-09 19:08:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:52,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 859 states and 3320 transitions. [2018-12-09 19:08:52,592 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 3320 transitions. [2018-12-09 19:08:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 859 states and 3316 transitions. [2018-12-09 19:08:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 3316 transitions. [2018-12-09 19:08:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 861 states and 3318 transitions. [2018-12-09 19:08:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 3318 transitions. [2018-12-09 19:08:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 863 states and 3320 transitions. [2018-12-09 19:08:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 3320 transitions. [2018-12-09 19:08:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 865 states and 3321 transitions. [2018-12-09 19:08:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 3321 transitions. [2018-12-09 19:08:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:08:52,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:08:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 866 states and 3322 transitions. [2018-12-09 19:08:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 3322 transitions. [2018-12-09 19:08:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:52,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:08:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 867 states and 3322 transitions. [2018-12-09 19:08:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 3322 transitions. [2018-12-09 19:08:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:52,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 869 states and 3338 transitions. [2018-12-09 19:08:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 3338 transitions. [2018-12-09 19:08:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:52,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 871 states and 3340 transitions. [2018-12-09 19:08:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 3340 transitions. [2018-12-09 19:08:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:52,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 873 states and 3342 transitions. [2018-12-09 19:08:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 3342 transitions. [2018-12-09 19:08:53,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:53,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 875 states and 3345 transitions. [2018-12-09 19:08:53,096 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 3345 transitions. [2018-12-09 19:08:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 877 states and 3348 transitions. [2018-12-09 19:08:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 3348 transitions. [2018-12-09 19:08:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 877 states and 3344 transitions. [2018-12-09 19:08:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 3344 transitions. [2018-12-09 19:08:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3346 states to 879 states and 3346 transitions. [2018-12-09 19:08:53,267 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 3346 transitions. [2018-12-09 19:08:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 881 states and 3348 transitions. [2018-12-09 19:08:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 3348 transitions. [2018-12-09 19:08:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 883 states and 3349 transitions. [2018-12-09 19:08:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 3349 transitions. [2018-12-09 19:08:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 885 states and 3350 transitions. [2018-12-09 19:08:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 3350 transitions. [2018-12-09 19:08:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:08:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 888 states and 3357 transitions. [2018-12-09 19:08:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 3357 transitions. [2018-12-09 19:08:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:08:53,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:08:53,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 889 states and 3358 transitions. [2018-12-09 19:08:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 3358 transitions. [2018-12-09 19:08:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 891 states and 3374 transitions. [2018-12-09 19:08:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 3374 transitions. [2018-12-09 19:08:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:53,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 893 states and 3376 transitions. [2018-12-09 19:08:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 3376 transitions. [2018-12-09 19:08:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 895 states and 3378 transitions. [2018-12-09 19:08:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 3378 transitions. [2018-12-09 19:08:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 897 states and 3381 transitions. [2018-12-09 19:08:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 3381 transitions. [2018-12-09 19:08:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 899 states and 3384 transitions. [2018-12-09 19:08:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 3384 transitions. [2018-12-09 19:08:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:53,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 899 states and 3380 transitions. [2018-12-09 19:08:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 3380 transitions. [2018-12-09 19:08:53,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 901 states and 3382 transitions. [2018-12-09 19:08:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 3382 transitions. [2018-12-09 19:08:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 903 states and 3384 transitions. [2018-12-09 19:08:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 3384 transitions. [2018-12-09 19:08:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:53,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 906 states and 3395 transitions. [2018-12-09 19:08:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 3395 transitions. [2018-12-09 19:08:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:54,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:54,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 908 states and 3400 transitions. [2018-12-09 19:08:54,594 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 3400 transitions. [2018-12-09 19:08:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:54,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 910 states and 3401 transitions. [2018-12-09 19:08:54,636 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 3401 transitions. [2018-12-09 19:08:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:54,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 911 states and 3405 transitions. [2018-12-09 19:08:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 3405 transitions. [2018-12-09 19:08:54,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:54,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 913 states and 3406 transitions. [2018-12-09 19:08:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 3406 transitions. [2018-12-09 19:08:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:54,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:08:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 915 states and 3409 transitions. [2018-12-09 19:08:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 3409 transitions. [2018-12-09 19:08:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:54,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:08:55,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 915 states and 3408 transitions. [2018-12-09 19:08:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 3408 transitions. [2018-12-09 19:08:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:55,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:08:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 916 states and 3408 transitions. [2018-12-09 19:08:55,049 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 3408 transitions. [2018-12-09 19:08:55,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:08:55,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,058 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:08:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 917 states and 3411 transitions. [2018-12-09 19:08:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 3411 transitions. [2018-12-09 19:08:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 919 states and 3427 transitions. [2018-12-09 19:08:55,143 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 3427 transitions. [2018-12-09 19:08:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,172 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 921 states and 3429 transitions. [2018-12-09 19:08:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 3429 transitions. [2018-12-09 19:08:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 923 states and 3431 transitions. [2018-12-09 19:08:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 3431 transitions. [2018-12-09 19:08:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 925 states and 3434 transitions. [2018-12-09 19:08:55,315 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 3434 transitions. [2018-12-09 19:08:55,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 927 states and 3437 transitions. [2018-12-09 19:08:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 3437 transitions. [2018-12-09 19:08:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:55,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 927 states and 3433 transitions. [2018-12-09 19:08:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 3433 transitions. [2018-12-09 19:08:55,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 929 states and 3437 transitions. [2018-12-09 19:08:55,634 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 3437 transitions. [2018-12-09 19:08:55,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 931 states and 3439 transitions. [2018-12-09 19:08:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 3439 transitions. [2018-12-09 19:08:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 933 states and 3441 transitions. [2018-12-09 19:08:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 3441 transitions. [2018-12-09 19:08:55,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 935 states and 3443 transitions. [2018-12-09 19:08:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 3443 transitions. [2018-12-09 19:08:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:55,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3447 states to 937 states and 3447 transitions. [2018-12-09 19:08:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 3447 transitions. [2018-12-09 19:08:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:56,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:08:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 946 states and 3489 transitions. [2018-12-09 19:08:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 3489 transitions. [2018-12-09 19:08:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 19:08:57,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:08:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 946 states and 3488 transitions. [2018-12-09 19:08:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 3488 transitions. [2018-12-09 19:08:57,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 948 states and 3504 transitions. [2018-12-09 19:08:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 3504 transitions. [2018-12-09 19:08:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 950 states and 3506 transitions. [2018-12-09 19:08:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 3506 transitions. [2018-12-09 19:08:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 952 states and 3508 transitions. [2018-12-09 19:08:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 3508 transitions. [2018-12-09 19:08:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 954 states and 3511 transitions. [2018-12-09 19:08:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 3511 transitions. [2018-12-09 19:08:57,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 956 states and 3514 transitions. [2018-12-09 19:08:57,447 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 3514 transitions. [2018-12-09 19:08:57,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 956 states and 3510 transitions. [2018-12-09 19:08:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 3510 transitions. [2018-12-09 19:08:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:57,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 959 states and 3517 transitions. [2018-12-09 19:08:57,687 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 3517 transitions. [2018-12-09 19:08:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 961 states and 3520 transitions. [2018-12-09 19:08:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 3520 transitions. [2018-12-09 19:08:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 963 states and 3522 transitions. [2018-12-09 19:08:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 3522 transitions. [2018-12-09 19:08:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:57,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 966 states and 3531 transitions. [2018-12-09 19:08:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 3531 transitions. [2018-12-09 19:08:58,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:58,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 968 states and 3533 transitions. [2018-12-09 19:08:58,184 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 3533 transitions. [2018-12-09 19:08:58,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 969 states and 3537 transitions. [2018-12-09 19:08:58,321 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 3537 transitions. [2018-12-09 19:08:58,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:58,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 971 states and 3539 transitions. [2018-12-09 19:08:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 3539 transitions. [2018-12-09 19:08:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 973 states and 3542 transitions. [2018-12-09 19:08:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 3542 transitions. [2018-12-09 19:08:58,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 975 states and 3551 transitions. [2018-12-09 19:08:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 3551 transitions. [2018-12-09 19:08:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 977 states and 3555 transitions. [2018-12-09 19:08:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 3555 transitions. [2018-12-09 19:08:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 979 states and 3562 transitions. [2018-12-09 19:08:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 3562 transitions. [2018-12-09 19:08:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 980 states and 3562 transitions. [2018-12-09 19:08:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 3562 transitions. [2018-12-09 19:08:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 19:08:58,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:08:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 980 states and 3561 transitions. [2018-12-09 19:08:59,121 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 3561 transitions. [2018-12-09 19:08:59,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 982 states and 3577 transitions. [2018-12-09 19:08:59,188 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 3577 transitions. [2018-12-09 19:08:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 984 states and 3579 transitions. [2018-12-09 19:08:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 3579 transitions. [2018-12-09 19:08:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:08:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3581 states to 986 states and 3581 transitions. [2018-12-09 19:08:59,342 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 3581 transitions. [2018-12-09 19:08:59,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 988 states and 3584 transitions. [2018-12-09 19:08:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 3584 transitions. [2018-12-09 19:08:59,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,409 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 990 states and 3587 transitions. [2018-12-09 19:08:59,452 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 3587 transitions. [2018-12-09 19:08:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:08:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 990 states and 3583 transitions. [2018-12-09 19:08:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 3583 transitions. [2018-12-09 19:08:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:08:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 992 states and 3586 transitions. [2018-12-09 19:08:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 3586 transitions. [2018-12-09 19:08:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 994 states and 3590 transitions. [2018-12-09 19:08:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 3590 transitions. [2018-12-09 19:08:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 996 states and 3592 transitions. [2018-12-09 19:08:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 3592 transitions. [2018-12-09 19:08:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:08:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 998 states and 3597 transitions. [2018-12-09 19:08:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 3597 transitions. [2018-12-09 19:08:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 1000 states and 3599 transitions. [2018-12-09 19:08:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 3599 transitions. [2018-12-09 19:08:59,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:08:59,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 1005 states and 3613 transitions. [2018-12-09 19:09:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 3613 transitions. [2018-12-09 19:09:00,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:00,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 1007 states and 3615 transitions. [2018-12-09 19:09:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 3615 transitions. [2018-12-09 19:09:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:00,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 1008 states and 3619 transitions. [2018-12-09 19:09:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 3619 transitions. [2018-12-09 19:09:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:00,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 1008 states and 3618 transitions. [2018-12-09 19:09:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 3618 transitions. [2018-12-09 19:09:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:00,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 1010 states and 3621 transitions. [2018-12-09 19:09:00,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 3621 transitions. [2018-12-09 19:09:00,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:00,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,714 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3627 states to 1012 states and 3627 transitions. [2018-12-09 19:09:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 3627 transitions. [2018-12-09 19:09:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:00,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 1014 states and 3633 transitions. [2018-12-09 19:09:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 3633 transitions. [2018-12-09 19:09:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:00,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 1015 states and 3637 transitions. [2018-12-09 19:09:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 3637 transitions. [2018-12-09 19:09:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:01,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:01,233 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3640 states to 1016 states and 3640 transitions. [2018-12-09 19:09:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 3640 transitions. [2018-12-09 19:09:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:01,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:01,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:01,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 1018 states and 3641 transitions. [2018-12-09 19:09:01,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 3641 transitions. [2018-12-09 19:09:01,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:01,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1021 states and 3646 transitions. [2018-12-09 19:09:01,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 3646 transitions. [2018-12-09 19:09:01,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:01,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 1031 states and 3690 transitions. [2018-12-09 19:09:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 3690 transitions. [2018-12-09 19:09:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:02,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:09:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 1031 states and 3689 transitions. [2018-12-09 19:09:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 3689 transitions. [2018-12-09 19:09:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 1033 states and 3705 transitions. [2018-12-09 19:09:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 3705 transitions. [2018-12-09 19:09:02,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 1035 states and 3707 transitions. [2018-12-09 19:09:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 3707 transitions. [2018-12-09 19:09:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 1037 states and 3709 transitions. [2018-12-09 19:09:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 3709 transitions. [2018-12-09 19:09:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1039 states and 3712 transitions. [2018-12-09 19:09:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 3712 transitions. [2018-12-09 19:09:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3715 states to 1041 states and 3715 transitions. [2018-12-09 19:09:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 3715 transitions. [2018-12-09 19:09:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3711 states to 1041 states and 3711 transitions. [2018-12-09 19:09:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 3711 transitions. [2018-12-09 19:09:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 1043 states and 3714 transitions. [2018-12-09 19:09:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3714 transitions. [2018-12-09 19:09:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 1045 states and 3716 transitions. [2018-12-09 19:09:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3716 transitions. [2018-12-09 19:09:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:02,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 1047 states and 3721 transitions. [2018-12-09 19:09:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 3721 transitions. [2018-12-09 19:09:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 1049 states and 3723 transitions. [2018-12-09 19:09:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 3723 transitions. [2018-12-09 19:09:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 1051 states and 3725 transitions. [2018-12-09 19:09:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 3725 transitions. [2018-12-09 19:09:03,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 1053 states and 3729 transitions. [2018-12-09 19:09:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 3729 transitions. [2018-12-09 19:09:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 1055 states and 3731 transitions. [2018-12-09 19:09:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 3731 transitions. [2018-12-09 19:09:03,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 1057 states and 3734 transitions. [2018-12-09 19:09:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 3734 transitions. [2018-12-09 19:09:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 1059 states and 3740 transitions. [2018-12-09 19:09:03,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 3740 transitions. [2018-12-09 19:09:03,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 1061 states and 3742 transitions. [2018-12-09 19:09:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 3742 transitions. [2018-12-09 19:09:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,313 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:09:03,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 1063 states and 3743 transitions. [2018-12-09 19:09:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 3743 transitions. [2018-12-09 19:09:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:03,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 1065 states and 3745 transitions. [2018-12-09 19:09:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 3745 transitions. [2018-12-09 19:09:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 19:09:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 1067 states and 3746 transitions. [2018-12-09 19:09:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 3746 transitions. [2018-12-09 19:09:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:09:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 1067 states and 3745 transitions. [2018-12-09 19:09:03,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 3745 transitions. [2018-12-09 19:09:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:09:03,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 1068 states and 3746 transitions. [2018-12-09 19:09:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 3746 transitions. [2018-12-09 19:09:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 1070 states and 3762 transitions. [2018-12-09 19:09:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 3762 transitions. [2018-12-09 19:09:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 1072 states and 3764 transitions. [2018-12-09 19:09:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 3764 transitions. [2018-12-09 19:09:03,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 1074 states and 3766 transitions. [2018-12-09 19:09:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 3766 transitions. [2018-12-09 19:09:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 1076 states and 3769 transitions. [2018-12-09 19:09:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 3769 transitions. [2018-12-09 19:09:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,809 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 1078 states and 3772 transitions. [2018-12-09 19:09:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 3772 transitions. [2018-12-09 19:09:03,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 1078 states and 3768 transitions. [2018-12-09 19:09:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 3768 transitions. [2018-12-09 19:09:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 1080 states and 3771 transitions. [2018-12-09 19:09:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 3771 transitions. [2018-12-09 19:09:03,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 1082 states and 3773 transitions. [2018-12-09 19:09:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 3773 transitions. [2018-12-09 19:09:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:03,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3778 states to 1084 states and 3778 transitions. [2018-12-09 19:09:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 3778 transitions. [2018-12-09 19:09:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 1086 states and 3780 transitions. [2018-12-09 19:09:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 3780 transitions. [2018-12-09 19:09:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 1088 states and 3782 transitions. [2018-12-09 19:09:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 3782 transitions. [2018-12-09 19:09:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,140 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 1090 states and 3784 transitions. [2018-12-09 19:09:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 3784 transitions. [2018-12-09 19:09:04,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 1092 states and 3787 transitions. [2018-12-09 19:09:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 3787 transitions. [2018-12-09 19:09:04,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,217 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 1094 states and 3793 transitions. [2018-12-09 19:09:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 3793 transitions. [2018-12-09 19:09:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:04,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 1096 states and 3795 transitions. [2018-12-09 19:09:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 3795 transitions. [2018-12-09 19:09:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:09:04,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 1098 states and 3796 transitions. [2018-12-09 19:09:04,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 3796 transitions. [2018-12-09 19:09:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:09:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 1100 states and 3797 transitions. [2018-12-09 19:09:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 3797 transitions. [2018-12-09 19:09:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:09:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 1102 states and 3798 transitions. [2018-12-09 19:09:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 3798 transitions. [2018-12-09 19:09:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 1104 states and 3802 transitions. [2018-12-09 19:09:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 3802 transitions. [2018-12-09 19:09:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 1106 states and 3804 transitions. [2018-12-09 19:09:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 3804 transitions. [2018-12-09 19:09:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:09:04,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 1106 states and 3803 transitions. [2018-12-09 19:09:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 3803 transitions. [2018-12-09 19:09:04,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:09:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 1106 states and 3802 transitions. [2018-12-09 19:09:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 3802 transitions. [2018-12-09 19:09:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:09:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 1107 states and 3802 transitions. [2018-12-09 19:09:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 3802 transitions. [2018-12-09 19:09:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 19:09:04,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,775 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 1108 states and 3804 transitions. [2018-12-09 19:09:04,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 3804 transitions. [2018-12-09 19:09:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:04,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:04,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 1110 states and 3820 transitions. [2018-12-09 19:09:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 3820 transitions. [2018-12-09 19:09:04,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:04,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 1112 states and 3822 transitions. [2018-12-09 19:09:04,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 3822 transitions. [2018-12-09 19:09:04,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:04,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 1114 states and 3824 transitions. [2018-12-09 19:09:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 3824 transitions. [2018-12-09 19:09:05,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 1116 states and 3827 transitions. [2018-12-09 19:09:05,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 3827 transitions. [2018-12-09 19:09:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 1118 states and 3830 transitions. [2018-12-09 19:09:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 3830 transitions. [2018-12-09 19:09:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 1118 states and 3826 transitions. [2018-12-09 19:09:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 3826 transitions. [2018-12-09 19:09:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 1120 states and 3829 transitions. [2018-12-09 19:09:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 3829 transitions. [2018-12-09 19:09:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 1122 states and 3831 transitions. [2018-12-09 19:09:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 3831 transitions. [2018-12-09 19:09:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 1124 states and 3836 transitions. [2018-12-09 19:09:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 3836 transitions. [2018-12-09 19:09:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 1126 states and 3838 transitions. [2018-12-09 19:09:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3838 transitions. [2018-12-09 19:09:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 1128 states and 3840 transitions. [2018-12-09 19:09:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3840 transitions. [2018-12-09 19:09:05,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 1130 states and 3842 transitions. [2018-12-09 19:09:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 3842 transitions. [2018-12-09 19:09:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 1132 states and 3845 transitions. [2018-12-09 19:09:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 3845 transitions. [2018-12-09 19:09:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 1134 states and 3851 transitions. [2018-12-09 19:09:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 3851 transitions. [2018-12-09 19:09:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 1136 states and 3853 transitions. [2018-12-09 19:09:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 3853 transitions. [2018-12-09 19:09:05,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 1138 states and 3857 transitions. [2018-12-09 19:09:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 3857 transitions. [2018-12-09 19:09:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3859 states to 1140 states and 3859 transitions. [2018-12-09 19:09:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 3859 transitions. [2018-12-09 19:09:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:09:05,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:09:05,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 1140 states and 3858 transitions. [2018-12-09 19:09:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 3858 transitions. [2018-12-09 19:09:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:05,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:05,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3874 states to 1142 states and 3874 transitions. [2018-12-09 19:09:05,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 3874 transitions. [2018-12-09 19:09:05,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:05,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:05,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 1144 states and 3876 transitions. [2018-12-09 19:09:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 3876 transitions. [2018-12-09 19:09:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:05,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 1146 states and 3878 transitions. [2018-12-09 19:09:05,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 3878 transitions. [2018-12-09 19:09:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:05,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 1148 states and 3881 transitions. [2018-12-09 19:09:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 3881 transitions. [2018-12-09 19:09:05,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:05,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,904 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 1150 states and 3884 transitions. [2018-12-09 19:09:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 3884 transitions. [2018-12-09 19:09:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:05,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 1150 states and 3880 transitions. [2018-12-09 19:09:06,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 3880 transitions. [2018-12-09 19:09:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 1152 states and 3883 transitions. [2018-12-09 19:09:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 3883 transitions. [2018-12-09 19:09:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 1154 states and 3887 transitions. [2018-12-09 19:09:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 3887 transitions. [2018-12-09 19:09:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 1156 states and 3889 transitions. [2018-12-09 19:09:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 3889 transitions. [2018-12-09 19:09:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 1158 states and 3891 transitions. [2018-12-09 19:09:06,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 3891 transitions. [2018-12-09 19:09:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 1160 states and 3896 transitions. [2018-12-09 19:09:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 3896 transitions. [2018-12-09 19:09:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 1162 states and 3898 transitions. [2018-12-09 19:09:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 3898 transitions. [2018-12-09 19:09:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 1164 states and 3900 transitions. [2018-12-09 19:09:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 3900 transitions. [2018-12-09 19:09:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,320 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3902 states to 1166 states and 3902 transitions. [2018-12-09 19:09:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 3902 transitions. [2018-12-09 19:09:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 1168 states and 3905 transitions. [2018-12-09 19:09:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 3905 transitions. [2018-12-09 19:09:06,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3911 states to 1170 states and 3911 transitions. [2018-12-09 19:09:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 3911 transitions. [2018-12-09 19:09:06,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 1172 states and 3913 transitions. [2018-12-09 19:09:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3913 transitions. [2018-12-09 19:09:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:09:06,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 1172 states and 3912 transitions. [2018-12-09 19:09:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 3912 transitions. [2018-12-09 19:09:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:09:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3915 states to 1173 states and 3915 transitions. [2018-12-09 19:09:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 3915 transitions. [2018-12-09 19:09:06,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:09:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 1173 states and 3914 transitions. [2018-12-09 19:09:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 3914 transitions. [2018-12-09 19:09:06,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:09:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3915 states to 1175 states and 3915 transitions. [2018-12-09 19:09:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 3915 transitions. [2018-12-09 19:09:06,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 19:09:06,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 19:09:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:06,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 1176 states and 3916 transitions. [2018-12-09 19:09:06,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 3916 transitions. [2018-12-09 19:09:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:06,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3932 states to 1178 states and 3932 transitions. [2018-12-09 19:09:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 3932 transitions. [2018-12-09 19:09:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 1180 states and 3934 transitions. [2018-12-09 19:09:07,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 3934 transitions. [2018-12-09 19:09:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3936 states to 1182 states and 3936 transitions. [2018-12-09 19:09:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 3936 transitions. [2018-12-09 19:09:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 1184 states and 3939 transitions. [2018-12-09 19:09:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 3939 transitions. [2018-12-09 19:09:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:07,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 1186 states and 3942 transitions. [2018-12-09 19:09:07,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 3942 transitions. [2018-12-09 19:09:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 1186 states and 3938 transitions. [2018-12-09 19:09:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 3938 transitions. [2018-12-09 19:09:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 1188 states and 3941 transitions. [2018-12-09 19:09:07,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 3941 transitions. [2018-12-09 19:09:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 1190 states and 3945 transitions. [2018-12-09 19:09:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 3945 transitions. [2018-12-09 19:09:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 1192 states and 3947 transitions. [2018-12-09 19:09:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 3947 transitions. [2018-12-09 19:09:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 1194 states and 3952 transitions. [2018-12-09 19:09:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 3952 transitions. [2018-12-09 19:09:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 1196 states and 3954 transitions. [2018-12-09 19:09:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 3954 transitions. [2018-12-09 19:09:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 1198 states and 3956 transitions. [2018-12-09 19:09:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 3956 transitions. [2018-12-09 19:09:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:07,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 1200 states and 3958 transitions. [2018-12-09 19:09:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 3958 transitions. [2018-12-09 19:09:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 1202 states and 3960 transitions. [2018-12-09 19:09:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 3960 transitions. [2018-12-09 19:09:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:07,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 1204 states and 3963 transitions. [2018-12-09 19:09:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 3963 transitions. [2018-12-09 19:09:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:07,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 1206 states and 3969 transitions. [2018-12-09 19:09:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 3969 transitions. [2018-12-09 19:09:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:07,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 1208 states and 3971 transitions. [2018-12-09 19:09:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 3971 transitions. [2018-12-09 19:09:07,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:09:07,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 1208 states and 3970 transitions. [2018-12-09 19:09:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 3970 transitions. [2018-12-09 19:09:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,898 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:09:07,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 1206 states and 3963 transitions. [2018-12-09 19:09:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 3963 transitions. [2018-12-09 19:09:07,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 19:09:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3965 states to 1207 states and 3965 transitions. [2018-12-09 19:09:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 3965 transitions. [2018-12-09 19:09:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:07,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 19:09:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 1208 states and 3967 transitions. [2018-12-09 19:09:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 3967 transitions. [2018-12-09 19:09:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:08,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:09:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 1209 states and 3969 transitions. [2018-12-09 19:09:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 3969 transitions. [2018-12-09 19:09:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:08,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:09:08,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 1211 states and 3970 transitions. [2018-12-09 19:09:08,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 3970 transitions. [2018-12-09 19:09:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:08,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 19:09:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 1212 states and 3970 transitions. [2018-12-09 19:09:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 3970 transitions. [2018-12-09 19:09:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:09:08,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 19:09:08,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 1213 states and 3972 transitions. [2018-12-09 19:09:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 3972 transitions. [2018-12-09 19:09:08,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 1215 states and 3988 transitions. [2018-12-09 19:09:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 3988 transitions. [2018-12-09 19:09:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3990 states to 1217 states and 3990 transitions. [2018-12-09 19:09:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 3990 transitions. [2018-12-09 19:09:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,540 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3992 states to 1219 states and 3992 transitions. [2018-12-09 19:09:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 3992 transitions. [2018-12-09 19:09:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 1221 states and 3995 transitions. [2018-12-09 19:09:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 3995 transitions. [2018-12-09 19:09:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 1223 states and 3998 transitions. [2018-12-09 19:09:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 3998 transitions. [2018-12-09 19:09:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 1223 states and 3994 transitions. [2018-12-09 19:09:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 3994 transitions. [2018-12-09 19:09:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3997 states to 1225 states and 3997 transitions. [2018-12-09 19:09:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3997 transitions. [2018-12-09 19:09:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:08,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 1227 states and 3999 transitions. [2018-12-09 19:09:08,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3999 transitions. [2018-12-09 19:09:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 1229 states and 4004 transitions. [2018-12-09 19:09:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 4004 transitions. [2018-12-09 19:09:08,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:08,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 1231 states and 4006 transitions. [2018-12-09 19:09:08,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 4006 transitions. [2018-12-09 19:09:08,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 1233 states and 4008 transitions. [2018-12-09 19:09:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 4008 transitions. [2018-12-09 19:09:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:08,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 1235 states and 4010 transitions. [2018-12-09 19:09:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 4010 transitions. [2018-12-09 19:09:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:09,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:09,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4013 states to 1237 states and 4013 transitions. [2018-12-09 19:09:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 4013 transitions. [2018-12-09 19:09:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:09,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 1239 states and 4019 transitions. [2018-12-09 19:09:09,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 4019 transitions. [2018-12-09 19:09:09,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:09,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4021 states to 1241 states and 4021 transitions. [2018-12-09 19:09:09,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 4021 transitions. [2018-12-09 19:09:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:09,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 1243 states and 4025 transitions. [2018-12-09 19:09:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 4025 transitions. [2018-12-09 19:09:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:09,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 1245 states and 4027 transitions. [2018-12-09 19:09:09,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 4027 transitions. [2018-12-09 19:09:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:09,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:09:09,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 1247 states and 4028 transitions. [2018-12-09 19:09:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 4028 transitions. [2018-12-09 19:09:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 19:09:09,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 19:09:09,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4029 states to 1248 states and 4029 transitions. [2018-12-09 19:09:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 4029 transitions. [2018-12-09 19:09:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:09,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 1250 states and 4045 transitions. [2018-12-09 19:09:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 4045 transitions. [2018-12-09 19:09:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4047 states to 1252 states and 4047 transitions. [2018-12-09 19:09:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 4047 transitions. [2018-12-09 19:09:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 1254 states and 4049 transitions. [2018-12-09 19:09:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 4049 transitions. [2018-12-09 19:09:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,545 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:09,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4052 states to 1256 states and 4052 transitions. [2018-12-09 19:09:09,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 4052 transitions. [2018-12-09 19:09:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4055 states to 1258 states and 4055 transitions. [2018-12-09 19:09:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 4055 transitions. [2018-12-09 19:09:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 1258 states and 4051 transitions. [2018-12-09 19:09:09,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 4051 transitions. [2018-12-09 19:09:09,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4054 states to 1260 states and 4054 transitions. [2018-12-09 19:09:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 4054 transitions. [2018-12-09 19:09:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 1262 states and 4056 transitions. [2018-12-09 19:09:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 4056 transitions. [2018-12-09 19:09:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4061 states to 1264 states and 4061 transitions. [2018-12-09 19:09:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 4061 transitions. [2018-12-09 19:09:09,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 1266 states and 4065 transitions. [2018-12-09 19:09:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 4065 transitions. [2018-12-09 19:09:09,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:09,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 1268 states and 4067 transitions. [2018-12-09 19:09:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 4067 transitions. [2018-12-09 19:09:09,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 1270 states and 4069 transitions. [2018-12-09 19:09:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 4069 transitions. [2018-12-09 19:09:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:09,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4071 states to 1272 states and 4071 transitions. [2018-12-09 19:09:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 4071 transitions. [2018-12-09 19:09:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:10,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 1274 states and 4074 transitions. [2018-12-09 19:09:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 4074 transitions. [2018-12-09 19:09:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:10,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4080 states to 1276 states and 4080 transitions. [2018-12-09 19:09:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 4080 transitions. [2018-12-09 19:09:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:10,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 1278 states and 4082 transitions. [2018-12-09 19:09:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 4082 transitions. [2018-12-09 19:09:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:10,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:09:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4081 states to 1278 states and 4081 transitions. [2018-12-09 19:09:10,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 4081 transitions. [2018-12-09 19:09:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:10,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 1280 states and 4083 transitions. [2018-12-09 19:09:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 4083 transitions. [2018-12-09 19:09:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 19:09:10,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,264 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:09:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4084 states to 1281 states and 4084 transitions. [2018-12-09 19:09:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 4084 transitions. [2018-12-09 19:09:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,302 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 1283 states and 4100 transitions. [2018-12-09 19:09:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 4100 transitions. [2018-12-09 19:09:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4102 states to 1285 states and 4102 transitions. [2018-12-09 19:09:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 4102 transitions. [2018-12-09 19:09:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 1287 states and 4104 transitions. [2018-12-09 19:09:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 4104 transitions. [2018-12-09 19:09:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 1289 states and 4107 transitions. [2018-12-09 19:09:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 4107 transitions. [2018-12-09 19:09:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 1291 states and 4110 transitions. [2018-12-09 19:09:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 4110 transitions. [2018-12-09 19:09:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 1291 states and 4106 transitions. [2018-12-09 19:09:10,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 4106 transitions. [2018-12-09 19:09:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 1293 states and 4109 transitions. [2018-12-09 19:09:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 4109 transitions. [2018-12-09 19:09:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4111 states to 1295 states and 4111 transitions. [2018-12-09 19:09:10,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 4111 transitions. [2018-12-09 19:09:10,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4116 states to 1297 states and 4116 transitions. [2018-12-09 19:09:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 4116 transitions. [2018-12-09 19:09:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 1299 states and 4118 transitions. [2018-12-09 19:09:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 4118 transitions. [2018-12-09 19:09:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 1301 states and 4120 transitions. [2018-12-09 19:09:10,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 4120 transitions. [2018-12-09 19:09:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4122 states to 1303 states and 4122 transitions. [2018-12-09 19:09:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 4122 transitions. [2018-12-09 19:09:10,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:10,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 1305 states and 4125 transitions. [2018-12-09 19:09:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 4125 transitions. [2018-12-09 19:09:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 1307 states and 4131 transitions. [2018-12-09 19:09:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 4131 transitions. [2018-12-09 19:09:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 1309 states and 4133 transitions. [2018-12-09 19:09:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 4133 transitions. [2018-12-09 19:09:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 19:09:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 1309 states and 4132 transitions. [2018-12-09 19:09:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 4132 transitions. [2018-12-09 19:09:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 1311 states and 4136 transitions. [2018-12-09 19:09:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 4136 transitions. [2018-12-09 19:09:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,285 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:11,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 1313 states and 4138 transitions. [2018-12-09 19:09:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 4138 transitions. [2018-12-09 19:09:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:09:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 1311 states and 4131 transitions. [2018-12-09 19:09:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 4131 transitions. [2018-12-09 19:09:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:09:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 1312 states and 4131 transitions. [2018-12-09 19:09:11,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 4131 transitions. [2018-12-09 19:09:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:09:11,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 1313 states and 4134 transitions. [2018-12-09 19:09:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 4134 transitions. [2018-12-09 19:09:11,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:09:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 1313 states and 4133 transitions. [2018-12-09 19:09:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 4133 transitions. [2018-12-09 19:09:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 45 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:09:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 1317 states and 4141 transitions. [2018-12-09 19:09:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 4141 transitions. [2018-12-09 19:09:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 19:09:11,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:09:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 1319 states and 4142 transitions. [2018-12-09 19:09:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 4142 transitions. [2018-12-09 19:09:11,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:11,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4158 states to 1321 states and 4158 transitions. [2018-12-09 19:09:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 4158 transitions. [2018-12-09 19:09:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:11,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 1323 states and 4160 transitions. [2018-12-09 19:09:11,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 4160 transitions. [2018-12-09 19:09:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:11,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 1325 states and 4162 transitions. [2018-12-09 19:09:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 4162 transitions. [2018-12-09 19:09:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:11,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 1327 states and 4165 transitions. [2018-12-09 19:09:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 4165 transitions. [2018-12-09 19:09:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:11,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 1329 states and 4168 transitions. [2018-12-09 19:09:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 4168 transitions. [2018-12-09 19:09:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:11,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 1329 states and 4164 transitions. [2018-12-09 19:09:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 4164 transitions. [2018-12-09 19:09:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4167 states to 1331 states and 4167 transitions. [2018-12-09 19:09:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 4167 transitions. [2018-12-09 19:09:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 1333 states and 4169 transitions. [2018-12-09 19:09:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 4169 transitions. [2018-12-09 19:09:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4174 states to 1335 states and 4174 transitions. [2018-12-09 19:09:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 4174 transitions. [2018-12-09 19:09:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 1337 states and 4176 transitions. [2018-12-09 19:09:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 4176 transitions. [2018-12-09 19:09:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:12,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4178 states to 1339 states and 4178 transitions. [2018-12-09 19:09:12,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 4178 transitions. [2018-12-09 19:09:12,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4180 states to 1341 states and 4180 transitions. [2018-12-09 19:09:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 4180 transitions. [2018-12-09 19:09:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 1343 states and 4183 transitions. [2018-12-09 19:09:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 4183 transitions. [2018-12-09 19:09:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 1345 states and 4189 transitions. [2018-12-09 19:09:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 4189 transitions. [2018-12-09 19:09:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 1347 states and 4191 transitions. [2018-12-09 19:09:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 4191 transitions. [2018-12-09 19:09:12,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 19:09:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 1347 states and 4190 transitions. [2018-12-09 19:09:12,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 4190 transitions. [2018-12-09 19:09:12,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:09:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 1348 states and 4191 transitions. [2018-12-09 19:09:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 4191 transitions. [2018-12-09 19:09:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 1350 states and 4195 transitions. [2018-12-09 19:09:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 4195 transitions. [2018-12-09 19:09:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:12,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 1352 states and 4197 transitions. [2018-12-09 19:09:12,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 4197 transitions. [2018-12-09 19:09:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:09:12,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 1354 states and 4199 transitions. [2018-12-09 19:09:12,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 4199 transitions. [2018-12-09 19:09:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 19:09:12,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:09:12,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4200 states to 1356 states and 4200 transitions. [2018-12-09 19:09:12,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 4200 transitions. [2018-12-09 19:09:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:12,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:12,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 1358 states and 4216 transitions. [2018-12-09 19:09:12,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 4216 transitions. [2018-12-09 19:09:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:12,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:12,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 1360 states and 4218 transitions. [2018-12-09 19:09:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 4218 transitions. [2018-12-09 19:09:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:12,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4220 states to 1362 states and 4220 transitions. [2018-12-09 19:09:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 4220 transitions. [2018-12-09 19:09:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:12,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:12,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 1364 states and 4223 transitions. [2018-12-09 19:09:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 4223 transitions. [2018-12-09 19:09:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:12,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1366 states and 4226 transitions. [2018-12-09 19:09:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 4226 transitions. [2018-12-09 19:09:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 1366 states and 4222 transitions. [2018-12-09 19:09:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 4222 transitions. [2018-12-09 19:09:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,105 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 1368 states and 4225 transitions. [2018-12-09 19:09:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 4225 transitions. [2018-12-09 19:09:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 1370 states and 4227 transitions. [2018-12-09 19:09:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 4227 transitions. [2018-12-09 19:09:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 1372 states and 4232 transitions. [2018-12-09 19:09:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 4232 transitions. [2018-12-09 19:09:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 1374 states and 4234 transitions. [2018-12-09 19:09:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 4234 transitions. [2018-12-09 19:09:13,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 1376 states and 4236 transitions. [2018-12-09 19:09:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 4236 transitions. [2018-12-09 19:09:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 1378 states and 4238 transitions. [2018-12-09 19:09:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 4238 transitions. [2018-12-09 19:09:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1380 states and 4241 transitions. [2018-12-09 19:09:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 4241 transitions. [2018-12-09 19:09:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1382 states and 4245 transitions. [2018-12-09 19:09:13,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 4245 transitions. [2018-12-09 19:09:13,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 1384 states and 4251 transitions. [2018-12-09 19:09:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 4251 transitions. [2018-12-09 19:09:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 1386 states and 4253 transitions. [2018-12-09 19:09:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 4253 transitions. [2018-12-09 19:09:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 51 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:09:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 1386 states and 4252 transitions. [2018-12-09 19:09:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 4252 transitions. [2018-12-09 19:09:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:13,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 1388 states and 4254 transitions. [2018-12-09 19:09:13,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 4254 transitions. [2018-12-09 19:09:13,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 19:09:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 1389 states and 4254 transitions. [2018-12-09 19:09:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 4254 transitions. [2018-12-09 19:09:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:09:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 1390 states and 4257 transitions. [2018-12-09 19:09:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 4257 transitions. [2018-12-09 19:09:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:09:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 1392 states and 4260 transitions. [2018-12-09 19:09:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 4260 transitions. [2018-12-09 19:09:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,740 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:09:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 1393 states and 4261 transitions. [2018-12-09 19:09:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 4261 transitions. [2018-12-09 19:09:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:09:13,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:09:13,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1394 states and 4263 transitions. [2018-12-09 19:09:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 4263 transitions. [2018-12-09 19:09:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:13,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:13,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 1396 states and 4265 transitions. [2018-12-09 19:09:13,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 4265 transitions. [2018-12-09 19:09:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:13,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 1398 states and 4267 transitions. [2018-12-09 19:09:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 4267 transitions. [2018-12-09 19:09:13,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:13,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 1400 states and 4270 transitions. [2018-12-09 19:09:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 4270 transitions. [2018-12-09 19:09:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 1402 states and 4273 transitions. [2018-12-09 19:09:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4273 transitions. [2018-12-09 19:09:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 1402 states and 4269 transitions. [2018-12-09 19:09:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4269 transitions. [2018-12-09 19:09:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 1404 states and 4272 transitions. [2018-12-09 19:09:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 4272 transitions. [2018-12-09 19:09:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 1406 states and 4276 transitions. [2018-12-09 19:09:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 4276 transitions. [2018-12-09 19:09:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 1408 states and 4278 transitions. [2018-12-09 19:09:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 4278 transitions. [2018-12-09 19:09:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 1410 states and 4283 transitions. [2018-12-09 19:09:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 4283 transitions. [2018-12-09 19:09:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 1412 states and 4285 transitions. [2018-12-09 19:09:14,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 4285 transitions. [2018-12-09 19:09:14,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 1414 states and 4287 transitions. [2018-12-09 19:09:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 4287 transitions. [2018-12-09 19:09:14,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 1416 states and 4289 transitions. [2018-12-09 19:09:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 4289 transitions. [2018-12-09 19:09:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 1418 states and 4291 transitions. [2018-12-09 19:09:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 4291 transitions. [2018-12-09 19:09:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 1420 states and 4294 transitions. [2018-12-09 19:09:14,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 4294 transitions. [2018-12-09 19:09:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 1422 states and 4300 transitions. [2018-12-09 19:09:14,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 4300 transitions. [2018-12-09 19:09:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4302 states to 1424 states and 4302 transitions. [2018-12-09 19:09:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 4302 transitions. [2018-12-09 19:09:14,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 19:09:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 1372 states and 4168 transitions. [2018-12-09 19:09:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 4168 transitions. [2018-12-09 19:09:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 19:09:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 1373 states and 4168 transitions. [2018-12-09 19:09:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 4168 transitions. [2018-12-09 19:09:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:09:14,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:09:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4171 states to 1375 states and 4171 transitions. [2018-12-09 19:09:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 4171 transitions. [2018-12-09 19:09:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:14,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 1377 states and 4173 transitions. [2018-12-09 19:09:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 4173 transitions. [2018-12-09 19:09:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:14,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4175 states to 1379 states and 4175 transitions. [2018-12-09 19:09:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 4175 transitions. [2018-12-09 19:09:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:14,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:14,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4178 states to 1381 states and 4178 transitions. [2018-12-09 19:09:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 4178 transitions. [2018-12-09 19:09:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:14,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 1383 states and 4181 transitions. [2018-12-09 19:09:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 4181 transitions. [2018-12-09 19:09:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 1383 states and 4177 transitions. [2018-12-09 19:09:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 4177 transitions. [2018-12-09 19:09:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4180 states to 1385 states and 4180 transitions. [2018-12-09 19:09:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 4180 transitions. [2018-12-09 19:09:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 1387 states and 4182 transitions. [2018-12-09 19:09:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 4182 transitions. [2018-12-09 19:09:15,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 1389 states and 4187 transitions. [2018-12-09 19:09:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 4187 transitions. [2018-12-09 19:09:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 1391 states and 4189 transitions. [2018-12-09 19:09:15,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 4189 transitions. [2018-12-09 19:09:15,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:15,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 1391 states and 4186 transitions. [2018-12-09 19:09:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 4186 transitions. [2018-12-09 19:09:15,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 1393 states and 4190 transitions. [2018-12-09 19:09:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 4190 transitions. [2018-12-09 19:09:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 1395 states and 4192 transitions. [2018-12-09 19:09:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 4192 transitions. [2018-12-09 19:09:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 1397 states and 4195 transitions. [2018-12-09 19:09:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 4195 transitions. [2018-12-09 19:09:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4201 states to 1399 states and 4201 transitions. [2018-12-09 19:09:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 4201 transitions. [2018-12-09 19:09:15,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 1401 states and 4203 transitions. [2018-12-09 19:09:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 4203 transitions. [2018-12-09 19:09:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:15,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4200 states to 1401 states and 4200 transitions. [2018-12-09 19:09:15,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 4200 transitions. [2018-12-09 19:09:15,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 19:09:15,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:09:15,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4202 states to 1403 states and 4202 transitions. [2018-12-09 19:09:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 4202 transitions. [2018-12-09 19:09:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:15,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4204 states to 1405 states and 4204 transitions. [2018-12-09 19:09:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 4204 transitions. [2018-12-09 19:09:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:15,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4206 states to 1407 states and 4206 transitions. [2018-12-09 19:09:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 4206 transitions. [2018-12-09 19:09:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:15,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:15,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 1409 states and 4209 transitions. [2018-12-09 19:09:15,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 4209 transitions. [2018-12-09 19:09:15,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:15,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 1411 states and 4212 transitions. [2018-12-09 19:09:15,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 4212 transitions. [2018-12-09 19:09:15,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:15,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 1411 states and 4208 transitions. [2018-12-09 19:09:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 4208 transitions. [2018-12-09 19:09:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:15,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:16,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 1413 states and 4211 transitions. [2018-12-09 19:09:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 4211 transitions. [2018-12-09 19:09:16,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 1415 states and 4215 transitions. [2018-12-09 19:09:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 4215 transitions. [2018-12-09 19:09:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,091 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4217 states to 1417 states and 4217 transitions. [2018-12-09 19:09:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 4217 transitions. [2018-12-09 19:09:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 1419 states and 4219 transitions. [2018-12-09 19:09:16,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 4219 transitions. [2018-12-09 19:09:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 1421 states and 4224 transitions. [2018-12-09 19:09:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 4224 transitions. [2018-12-09 19:09:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1423 states and 4226 transitions. [2018-12-09 19:09:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 4226 transitions. [2018-12-09 19:09:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:16,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 1423 states and 4223 transitions. [2018-12-09 19:09:16,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 4223 transitions. [2018-12-09 19:09:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1425 states and 4226 transitions. [2018-12-09 19:09:16,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 4226 transitions. [2018-12-09 19:09:16,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:16,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 1427 states and 4232 transitions. [2018-12-09 19:09:16,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 4232 transitions. [2018-12-09 19:09:16,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 1429 states and 4234 transitions. [2018-12-09 19:09:16,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 4234 transitions. [2018-12-09 19:09:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:09:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 1400 states and 4087 transitions. [2018-12-09 19:09:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 4087 transitions. [2018-12-09 19:09:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 19:09:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4088 states to 1402 states and 4088 transitions. [2018-12-09 19:09:16,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4088 transitions. [2018-12-09 19:09:16,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4085 states to 1402 states and 4085 transitions. [2018-12-09 19:09:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4085 transitions. [2018-12-09 19:09:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:09:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4088 states to 1404 states and 4088 transitions. [2018-12-09 19:09:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 4088 transitions. [2018-12-09 19:09:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4090 states to 1405 states and 4090 transitions. [2018-12-09 19:09:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 4090 transitions. [2018-12-09 19:09:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:09:16,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:09:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 1406 states and 4091 transitions. [2018-12-09 19:09:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 4091 transitions. [2018-12-09 19:09:16,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:16,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4093 states to 1408 states and 4093 transitions. [2018-12-09 19:09:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 4093 transitions. [2018-12-09 19:09:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:16,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 1410 states and 4095 transitions. [2018-12-09 19:09:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 4095 transitions. [2018-12-09 19:09:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:16,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:16,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 1412 states and 4098 transitions. [2018-12-09 19:09:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 4098 transitions. [2018-12-09 19:09:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:16,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 1414 states and 4101 transitions. [2018-12-09 19:09:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 4101 transitions. [2018-12-09 19:09:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 1414 states and 4097 transitions. [2018-12-09 19:09:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 4097 transitions. [2018-12-09 19:09:17,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 1416 states and 4100 transitions. [2018-12-09 19:09:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 4100 transitions. [2018-12-09 19:09:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4102 states to 1418 states and 4102 transitions. [2018-12-09 19:09:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 4102 transitions. [2018-12-09 19:09:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 1420 states and 4107 transitions. [2018-12-09 19:09:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 4107 transitions. [2018-12-09 19:09:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 1422 states and 4109 transitions. [2018-12-09 19:09:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 4109 transitions. [2018-12-09 19:09:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 1422 states and 4106 transitions. [2018-12-09 19:09:17,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 4106 transitions. [2018-12-09 19:09:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4108 states to 1424 states and 4108 transitions. [2018-12-09 19:09:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 4108 transitions. [2018-12-09 19:09:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4111 states to 1426 states and 4111 transitions. [2018-12-09 19:09:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 4111 transitions. [2018-12-09 19:09:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4117 states to 1428 states and 4117 transitions. [2018-12-09 19:09:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 4117 transitions. [2018-12-09 19:09:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 1428 states and 4109 transitions. [2018-12-09 19:09:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 4109 transitions. [2018-12-09 19:09:17,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-09 19:09:17,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 1430 states and 4110 transitions. [2018-12-09 19:09:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 4110 transitions. [2018-12-09 19:09:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 1432 states and 4114 transitions. [2018-12-09 19:09:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 4114 transitions. [2018-12-09 19:09:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4111 states to 1432 states and 4111 transitions. [2018-12-09 19:09:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 4111 transitions. [2018-12-09 19:09:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:09:17,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4111 states to 1433 states and 4111 transitions. [2018-12-09 19:09:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 4111 transitions. [2018-12-09 19:09:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:17,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 1436 states and 4119 transitions. [2018-12-09 19:09:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 4119 transitions. [2018-12-09 19:09:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:09:17,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 19:09:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 1442 states and 4189 transitions. [2018-12-09 19:09:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 4189 transitions. [2018-12-09 19:09:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 1444 states and 4191 transitions. [2018-12-09 19:09:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 4191 transitions. [2018-12-09 19:09:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,280 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 1446 states and 4193 transitions. [2018-12-09 19:09:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 4193 transitions. [2018-12-09 19:09:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:18,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4196 states to 1448 states and 4196 transitions. [2018-12-09 19:09:18,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 4196 transitions. [2018-12-09 19:09:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:18,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 1450 states and 4199 transitions. [2018-12-09 19:09:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 4199 transitions. [2018-12-09 19:09:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 1450 states and 4195 transitions. [2018-12-09 19:09:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 4195 transitions. [2018-12-09 19:09:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 1452 states and 4198 transitions. [2018-12-09 19:09:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 4198 transitions. [2018-12-09 19:09:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4202 states to 1454 states and 4202 transitions. [2018-12-09 19:09:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 4202 transitions. [2018-12-09 19:09:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4204 states to 1456 states and 4204 transitions. [2018-12-09 19:09:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 4204 transitions. [2018-12-09 19:09:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 1458 states and 4209 transitions. [2018-12-09 19:09:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 4209 transitions. [2018-12-09 19:09:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 1460 states and 4211 transitions. [2018-12-09 19:09:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 4211 transitions. [2018-12-09 19:09:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:09:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 1462 states and 4213 transitions. [2018-12-09 19:09:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 4213 transitions. [2018-12-09 19:09:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 1462 states and 4210 transitions. [2018-12-09 19:09:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 4210 transitions. [2018-12-09 19:09:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:18,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 1464 states and 4213 transitions. [2018-12-09 19:09:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 4213 transitions. [2018-12-09 19:09:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 1466 states and 4219 transitions. [2018-12-09 19:09:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 4219 transitions. [2018-12-09 19:09:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:18,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 1466 states and 4210 transitions. [2018-12-09 19:09:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 4210 transitions. [2018-12-09 19:09:18,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:18,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:09:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4206 states to 1466 states and 4206 transitions. [2018-12-09 19:09:19,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 4206 transitions. [2018-12-09 19:09:19,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 19:09:19,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:09:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 1472 states and 4219 transitions. [2018-12-09 19:09:19,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 4219 transitions. [2018-12-09 19:09:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 19:09:19,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 1474 states and 4223 transitions. [2018-12-09 19:09:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 4223 transitions. [2018-12-09 19:09:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 19:09:19,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 1476 states and 4225 transitions. [2018-12-09 19:09:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 4225 transitions. [2018-12-09 19:09:19,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 19:09:19,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 1478 states and 4228 transitions. [2018-12-09 19:09:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 4228 transitions. [2018-12-09 19:09:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 19:09:19,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 1480 states and 4231 transitions. [2018-12-09 19:09:19,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 4231 transitions. [2018-12-09 19:09:19,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 19:09:19,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 1480 states and 4227 transitions. [2018-12-09 19:09:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 4227 transitions. [2018-12-09 19:09:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 19:09:19,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:19,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 1481 states and 4218 transitions. [2018-12-09 19:09:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 4218 transitions. [2018-12-09 19:09:19,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 19:09:19,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,659 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4220 states to 1483 states and 4220 transitions. [2018-12-09 19:09:19,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 4220 transitions. [2018-12-09 19:09:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 19:09:19,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 1485 states and 4223 transitions. [2018-12-09 19:09:19,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 4223 transitions. [2018-12-09 19:09:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 19:09:19,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1487 states and 4226 transitions. [2018-12-09 19:09:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 4226 transitions. [2018-12-09 19:09:19,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 19:09:19,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 1487 states and 4222 transitions. [2018-12-09 19:09:19,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 4222 transitions. [2018-12-09 19:09:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 19:09:19,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 1489 states and 4225 transitions. [2018-12-09 19:09:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 4225 transitions. [2018-12-09 19:09:19,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 19:09:19,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1490 states and 4226 transitions. [2018-12-09 19:09:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 4226 transitions. [2018-12-09 19:09:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 19:09:20,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 1492 states and 4228 transitions. [2018-12-09 19:09:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 4228 transitions. [2018-12-09 19:09:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 19:09:20,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 1494 states and 4231 transitions. [2018-12-09 19:09:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 4231 transitions. [2018-12-09 19:09:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 19:09:20,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 1496 states and 4234 transitions. [2018-12-09 19:09:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 4234 transitions. [2018-12-09 19:09:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 19:09:20,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:20,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 1496 states and 4230 transitions. [2018-12-09 19:09:20,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 4230 transitions. [2018-12-09 19:09:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:09:20,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 1496 states and 4219 transitions. [2018-12-09 19:09:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 4219 transitions. [2018-12-09 19:09:20,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:09:20,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 1498 states and 4223 transitions. [2018-12-09 19:09:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 4223 transitions. [2018-12-09 19:09:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:09:20,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 1500 states and 4226 transitions. [2018-12-09 19:09:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 4226 transitions. [2018-12-09 19:09:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:09:20,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 1502 states and 4229 transitions. [2018-12-09 19:09:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 4229 transitions. [2018-12-09 19:09:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:09:20,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 1502 states and 4225 transitions. [2018-12-09 19:09:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 4225 transitions. [2018-12-09 19:09:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-09 19:09:20,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 1504 states and 4227 transitions. [2018-12-09 19:09:20,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 4227 transitions. [2018-12-09 19:09:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-09 19:09:20,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 1506 states and 4231 transitions. [2018-12-09 19:09:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 4231 transitions. [2018-12-09 19:09:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-09 19:09:20,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:20,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 1508 states and 4234 transitions. [2018-12-09 19:09:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 4234 transitions. [2018-12-09 19:09:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-09 19:09:20,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:20,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 1508 states and 4230 transitions. [2018-12-09 19:09:20,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 4230 transitions. [2018-12-09 19:09:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 19:09:20,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,926 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 1510 states and 4233 transitions. [2018-12-09 19:09:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 4233 transitions. [2018-12-09 19:09:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 19:09:20,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:21,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 1511 states and 4234 transitions. [2018-12-09 19:09:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 4234 transitions. [2018-12-09 19:09:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 19:09:21,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 1513 states and 4237 transitions. [2018-12-09 19:09:21,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 4237 transitions. [2018-12-09 19:09:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 19:09:21,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1515 states and 4241 transitions. [2018-12-09 19:09:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4241 transitions. [2018-12-09 19:09:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 19:09:21,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 1515 states and 4237 transitions. [2018-12-09 19:09:21,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4237 transitions. [2018-12-09 19:09:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:09:21,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1517 states and 4241 transitions. [2018-12-09 19:09:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 4241 transitions. [2018-12-09 19:09:21,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:09:21,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1518 states and 4241 transitions. [2018-12-09 19:09:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 4241 transitions. [2018-12-09 19:09:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:09:21,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:09:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 1519 states and 4242 transitions. [2018-12-09 19:09:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 4242 transitions. [2018-12-09 19:09:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:09:21,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1521 states and 4245 transitions. [2018-12-09 19:09:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 4245 transitions. [2018-12-09 19:09:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:09:21,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 1521 states and 4241 transitions. [2018-12-09 19:09:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 4241 transitions. [2018-12-09 19:09:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:09:21,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 1523 states and 4245 transitions. [2018-12-09 19:09:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 4245 transitions. [2018-12-09 19:09:21,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:09:21,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:09:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4246 states to 1524 states and 4246 transitions. [2018-12-09 19:09:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 4246 transitions. [2018-12-09 19:09:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:09:21,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 1525 states and 4247 transitions. [2018-12-09 19:09:21,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 4247 transitions. [2018-12-09 19:09:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:09:21,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:21,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 1527 states and 4250 transitions. [2018-12-09 19:09:21,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 4250 transitions. [2018-12-09 19:09:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 19:09:21,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:09:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 1528 states and 4251 transitions. [2018-12-09 19:09:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 4251 transitions. [2018-12-09 19:09:21,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 19:09:21,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 1530 states and 4253 transitions. [2018-12-09 19:09:21,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 4253 transitions. [2018-12-09 19:09:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 19:09:21,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:09:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 1532 states and 4255 transitions. [2018-12-09 19:09:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 4255 transitions. [2018-12-09 19:09:21,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 19:09:21,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 1534 states and 4258 transitions. [2018-12-09 19:09:21,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 4258 transitions. [2018-12-09 19:09:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 19:09:21,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 1535 states and 4258 transitions. [2018-12-09 19:09:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 4258 transitions. [2018-12-09 19:09:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 19:09:21,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:09:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 1537 states and 4260 transitions. [2018-12-09 19:09:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 4260 transitions. [2018-12-09 19:09:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 19:09:21,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:09:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1539 states and 4263 transitions. [2018-12-09 19:09:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 4263 transitions. [2018-12-09 19:09:21,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 19:09:21,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 19:09:21,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1540 states and 4263 transitions. [2018-12-09 19:09:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 4263 transitions. [2018-12-09 19:09:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 19:09:21,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:09:21,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 1541 states and 4263 transitions. [2018-12-09 19:09:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 4263 transitions. [2018-12-09 19:09:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:09:21,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:09:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 181 states and 255 transitions. [2018-12-09 19:09:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 255 transitions. [2018-12-09 19:09:21,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:09:21,934 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 707 iterations. [2018-12-09 19:09:21,941 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 19:09:22,424 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:09:22,426 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 19:09:22,430 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-09 19:09:22,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:09:22 ImpRootNode [2018-12-09 19:09:22,431 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 19:09:22,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:09:22,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:09:22,432 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:09:22,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:29" (3/4) ... [2018-12-09 19:09:22,434 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:09:22,446 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:09:22,446 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:09:22,469 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b681f09-2ac1-4e67-9fce-174749d76e14/bin-2019/ukojak/witness.graphml [2018-12-09 19:09:22,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:09:22,469 INFO L168 Benchmark]: Toolchain (without parser) took 54981.27 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -200.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 19:09:22,470 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-09 19:09:22,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -79.4 MB). Peak memory consumption was 121.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:22,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:22,471 INFO L168 Benchmark]: Boogie Preprocessor took 65.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.3 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:22,471 INFO L168 Benchmark]: RCFGBuilder took 916.52 ms. Allocated memory is still 1.1 GB. Free memory was 980.3 MB in the beginning and 775.5 MB in the end (delta: 204.8 MB). Peak memory consumption was 204.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:22,471 INFO L168 Benchmark]: CodeCheck took 53285.29 ms. Allocated memory was 1.1 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 775.5 MB in the beginning and 1.2 GB in the end (delta: -375.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 19:09:22,471 INFO L168 Benchmark]: Witness Printer took 37.19 ms. Allocated memory is still 2.7 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:09:22,472 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, 52.7s OverallTime, 707 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, 2557.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1047321 GetRequests, 1039889 SyntacticMatches, 6838 SemanticMatches, 594 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531308 ImplicationChecksByTransitivity, 29.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 41808 NumberOfCodeBlocks, 41808 NumberOfCodeBlocksAsserted, 706 NumberOfCheckSat, 41102 ConstructedInterpolants, 0 QuantifiedInterpolants, 6268453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 706 InterpolantComputations, 383 PerfectInterpolantSequences, 17901/22349 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 0.15 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 593.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -79.4 MB). Peak memory consumption was 121.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.3 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 916.52 ms. Allocated memory is still 1.1 GB. Free memory was 980.3 MB in the beginning and 775.5 MB in the end (delta: 204.8 MB). Peak memory consumption was 204.8 MB. Max. memory is 11.5 GB. * CodeCheck took 53285.29 ms. Allocated memory was 1.1 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 775.5 MB in the beginning and 1.2 GB in the end (delta: -375.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 37.19 ms. Allocated memory is still 2.7 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...