./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label57_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_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label57_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/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 7289a24916410dada55d7befe9c59871f03a3aa1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:34:21,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:34:21,546 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:34:21,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:34:21,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:34:21,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:34:21,554 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:34:21,555 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:34:21,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:34:21,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:34:21,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:34:21,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:34:21,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:34:21,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:34:21,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:34:21,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:34:21,559 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:34:21,560 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:34:21,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:34:21,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:34:21,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:34:21,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:34:21,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:34:21,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:34:21,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:34:21,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:34:21,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:34:21,565 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:34:21,566 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:34:21,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:34:21,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:34:21,567 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:34:21,567 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:34:21,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:34:21,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:34:21,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:34:21,568 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 20:34:21,575 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:34:21,576 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:34:21,576 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:34:21,576 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:34:21,577 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:34:21,577 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:34:21,577 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:34:21,577 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:34:21,577 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:34:21,577 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:34:21,577 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:34:21,578 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:34:21,578 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:34:21,578 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:34:21,578 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:34:21,578 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:34:21,578 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:34:21,578 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:34:21,578 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:34:21,579 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:34:21,579 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:34:21,579 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:34:21,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:34:21,579 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:34:21,579 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:34:21,579 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:34:21,580 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 20:34:21,580 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:34:21,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:34:21,580 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_6272eb75-592f-4452-96d4-1f1a97a0598c/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 -> 7289a24916410dada55d7befe9c59871f03a3aa1 [2018-12-08 20:34:21,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:34:21,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:34:21,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:34:21,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:34:21,611 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:34:21,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label57_true-unreach-call_false-termination.c [2018-12-08 20:34:21,649 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/data/3fb8d3a41/89ed6a5d6e304eb48a799117c16b8600/FLAGf5bde1ef2 [2018-12-08 20:34:22,091 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:34:22,092 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/sv-benchmarks/c/eca-rers2012/Problem02_label57_true-unreach-call_false-termination.c [2018-12-08 20:34:22,099 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/data/3fb8d3a41/89ed6a5d6e304eb48a799117c16b8600/FLAGf5bde1ef2 [2018-12-08 20:34:22,107 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/data/3fb8d3a41/89ed6a5d6e304eb48a799117c16b8600 [2018-12-08 20:34:22,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:34:22,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:34:22,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:34:22,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:34:22,113 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:34:22,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22, skipping insertion in model container [2018-12-08 20:34:22,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:34:22,145 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:34:22,322 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:34:22,324 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:34:22,422 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:34:22,435 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:34:22,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22 WrapperNode [2018-12-08 20:34:22,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:34:22,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:34:22,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:34:22,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:34:22,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:34:22,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:34:22,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:34:22,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:34:22,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... [2018-12-08 20:34:22,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:34:22,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:34:22,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:34:22,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:34:22,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/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 [2018-12-08 20:34:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:34:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:34:23,618 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:34:23,618 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 20:34:23,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:34:23 BoogieIcfgContainer [2018-12-08 20:34:23,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:34:23,619 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:34:23,619 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:34:23,626 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:34:23,626 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:34:23" (1/1) ... [2018-12-08 20:34:23,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:34:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 20:34:23,656 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 20:34:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 20:34:23,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-08 20:34:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-08 20:34:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 20:34:24,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:34:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 243 transitions. [2018-12-08 20:34:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2018-12-08 20:34:24,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 20:34:24,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-08 20:34:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-08 20:34:24,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 20:34:24,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:24,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-08 20:34:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-08 20:34:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 20:34:24,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:24,713 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:25,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 217 states and 319 transitions. [2018-12-08 20:34:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2018-12-08 20:34:25,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 20:34:25,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:34:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2018-12-08 20:34:25,555 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2018-12-08 20:34:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 20:34:25,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:34:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:25,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 242 states and 359 transitions. [2018-12-08 20:34:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 359 transitions. [2018-12-08 20:34:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 20:34:25,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:34:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:25,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 256 states and 375 transitions. [2018-12-08 20:34:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 375 transitions. [2018-12-08 20:34:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 20:34:25,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2018-12-08 20:34:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2018-12-08 20:34:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 20:34:26,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 264 states and 387 transitions. [2018-12-08 20:34:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2018-12-08 20:34:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 20:34:26,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:26,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 267 states and 391 transitions. [2018-12-08 20:34:26,469 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 391 transitions. [2018-12-08 20:34:26,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 20:34:26,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 290 states and 425 transitions. [2018-12-08 20:34:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 425 transitions. [2018-12-08 20:34:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 20:34:27,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 369 states and 512 transitions. [2018-12-08 20:34:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 512 transitions. [2018-12-08 20:34:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 20:34:27,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 387 states and 533 transitions. [2018-12-08 20:34:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 533 transitions. [2018-12-08 20:34:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 20:34:27,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:27,815 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 389 states and 535 transitions. [2018-12-08 20:34:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 535 transitions. [2018-12-08 20:34:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 20:34:27,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:28,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 411 states and 569 transitions. [2018-12-08 20:34:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 569 transitions. [2018-12-08 20:34:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 20:34:28,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:28,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:28,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 414 states and 572 transitions. [2018-12-08 20:34:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 572 transitions. [2018-12-08 20:34:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 20:34:28,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:29,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 417 states and 575 transitions. [2018-12-08 20:34:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 575 transitions. [2018-12-08 20:34:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 20:34:29,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:29,052 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:29,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 597 transitions. [2018-12-08 20:34:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 597 transitions. [2018-12-08 20:34:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 20:34:29,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 438 states and 600 transitions. [2018-12-08 20:34:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 600 transitions. [2018-12-08 20:34:29,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 20:34:29,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:30,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 445 states and 608 transitions. [2018-12-08 20:34:30,157 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 608 transitions. [2018-12-08 20:34:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 20:34:30,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:30,415 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 477 states and 652 transitions. [2018-12-08 20:34:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 652 transitions. [2018-12-08 20:34:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 20:34:31,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 483 states and 662 transitions. [2018-12-08 20:34:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 662 transitions. [2018-12-08 20:34:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 20:34:32,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 486 states and 666 transitions. [2018-12-08 20:34:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 666 transitions. [2018-12-08 20:34:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 20:34:32,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 497 states and 679 transitions. [2018-12-08 20:34:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 679 transitions. [2018-12-08 20:34:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 20:34:33,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 498 states and 679 transitions. [2018-12-08 20:34:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 679 transitions. [2018-12-08 20:34:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 20:34:33,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:34:33,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:33,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 504 states and 688 transitions. [2018-12-08 20:34:33,563 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 688 transitions. [2018-12-08 20:34:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 20:34:33,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:34:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 513 states and 699 transitions. [2018-12-08 20:34:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 699 transitions. [2018-12-08 20:34:33,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 20:34:33,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:34,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 540 states and 728 transitions. [2018-12-08 20:34:34,125 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 728 transitions. [2018-12-08 20:34:34,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 20:34:34,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 566 states and 757 transitions. [2018-12-08 20:34:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 757 transitions. [2018-12-08 20:34:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 20:34:34,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:34:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 569 states and 759 transitions. [2018-12-08 20:34:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 759 transitions. [2018-12-08 20:34:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 20:34:34,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:34:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 572 states and 762 transitions. [2018-12-08 20:34:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 762 transitions. [2018-12-08 20:34:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 20:34:34,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 584 states and 778 transitions. [2018-12-08 20:34:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 778 transitions. [2018-12-08 20:34:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 20:34:34,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 587 states and 781 transitions. [2018-12-08 20:34:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 781 transitions. [2018-12-08 20:34:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 20:34:35,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 590 states and 785 transitions. [2018-12-08 20:34:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 785 transitions. [2018-12-08 20:34:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 20:34:35,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 602 states and 798 transitions. [2018-12-08 20:34:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 798 transitions. [2018-12-08 20:34:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 20:34:35,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:34:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:35,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 608 states and 804 transitions. [2018-12-08 20:34:35,783 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 804 transitions. [2018-12-08 20:34:35,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 20:34:35,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 613 states and 810 transitions. [2018-12-08 20:34:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 810 transitions. [2018-12-08 20:34:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 20:34:35,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:34:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 627 states and 826 transitions. [2018-12-08 20:34:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 826 transitions. [2018-12-08 20:34:36,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 20:34:36,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:34:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 631 states and 832 transitions. [2018-12-08 20:34:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 832 transitions. [2018-12-08 20:34:36,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 20:34:36,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:34:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 644 states and 854 transitions. [2018-12-08 20:34:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 854 transitions. [2018-12-08 20:34:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 20:34:37,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:34:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 650 states and 862 transitions. [2018-12-08 20:34:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 862 transitions. [2018-12-08 20:34:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 20:34:37,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:34:37,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 651 states and 863 transitions. [2018-12-08 20:34:37,558 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 863 transitions. [2018-12-08 20:34:37,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 20:34:37,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:34:37,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 654 states and 866 transitions. [2018-12-08 20:34:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 866 transitions. [2018-12-08 20:34:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:34:37,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 664 states and 875 transitions. [2018-12-08 20:34:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 875 transitions. [2018-12-08 20:34:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:34:37,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:37,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:37,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 669 states and 879 transitions. [2018-12-08 20:34:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 879 transitions. [2018-12-08 20:34:37,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:34:37,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 675 states and 884 transitions. [2018-12-08 20:34:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 884 transitions. [2018-12-08 20:34:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:34:38,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 677 states and 886 transitions. [2018-12-08 20:34:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 886 transitions. [2018-12-08 20:34:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 20:34:38,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:38,240 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:34:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:38,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 684 states and 894 transitions. [2018-12-08 20:34:38,391 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 894 transitions. [2018-12-08 20:34:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 20:34:38,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:34:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 696 states and 905 transitions. [2018-12-08 20:34:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 905 transitions. [2018-12-08 20:34:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 20:34:38,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:34:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 697 states and 905 transitions. [2018-12-08 20:34:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 905 transitions. [2018-12-08 20:34:38,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 20:34:38,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:34:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 701 states and 910 transitions. [2018-12-08 20:34:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 910 transitions. [2018-12-08 20:34:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 20:34:38,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 723 states and 934 transitions. [2018-12-08 20:34:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 934 transitions. [2018-12-08 20:34:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:34:39,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:34:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 747 states and 971 transitions. [2018-12-08 20:34:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 971 transitions. [2018-12-08 20:34:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:34:41,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:34:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 761 states and 987 transitions. [2018-12-08 20:34:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 987 transitions. [2018-12-08 20:34:42,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:34:42,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:34:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 772 states and 997 transitions. [2018-12-08 20:34:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 997 transitions. [2018-12-08 20:34:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:34:43,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:34:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:43,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 787 states and 1011 transitions. [2018-12-08 20:34:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1011 transitions. [2018-12-08 20:34:43,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:34:43,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 802 states and 1026 transitions. [2018-12-08 20:34:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1026 transitions. [2018-12-08 20:34:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 20:34:43,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 861 states and 1089 transitions. [2018-12-08 20:34:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1089 transitions. [2018-12-08 20:34:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:34:47,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 926 states and 1166 transitions. [2018-12-08 20:34:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1166 transitions. [2018-12-08 20:34:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:34:54,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 929 states and 1169 transitions. [2018-12-08 20:34:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1169 transitions. [2018-12-08 20:34:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:34:54,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 932 states and 1172 transitions. [2018-12-08 20:34:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1172 transitions. [2018-12-08 20:34:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:34:54,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:54,620 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 935 states and 1175 transitions. [2018-12-08 20:34:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1175 transitions. [2018-12-08 20:34:54,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:34:54,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:34:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 936 states and 1176 transitions. [2018-12-08 20:34:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1176 transitions. [2018-12-08 20:34:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:34:54,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:54,999 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 982 states and 1227 transitions. [2018-12-08 20:34:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1227 transitions. [2018-12-08 20:34:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:34:55,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:55,757 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:56,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 994 states and 1244 transitions. [2018-12-08 20:34:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1244 transitions. [2018-12-08 20:34:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 20:34:56,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:56,437 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1015 states and 1266 transitions. [2018-12-08 20:34:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1266 transitions. [2018-12-08 20:34:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 20:34:56,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:59,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1052 states and 1309 transitions. [2018-12-08 20:34:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1309 transitions. [2018-12-08 20:34:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 20:34:59,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1054 states and 1311 transitions. [2018-12-08 20:34:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1311 transitions. [2018-12-08 20:34:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 20:34:59,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1057 states and 1314 transitions. [2018-12-08 20:35:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1314 transitions. [2018-12-08 20:35:00,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 20:35:00,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:00,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1063 states and 1320 transitions. [2018-12-08 20:35:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1320 transitions. [2018-12-08 20:35:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 20:35:00,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:01,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1083 states and 1340 transitions. [2018-12-08 20:35:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1340 transitions. [2018-12-08 20:35:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 20:35:01,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1085 states and 1341 transitions. [2018-12-08 20:35:01,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1341 transitions. [2018-12-08 20:35:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 20:35:01,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:05,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1127 states and 1386 transitions. [2018-12-08 20:35:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1386 transitions. [2018-12-08 20:35:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 20:35:05,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1128 states and 1388 transitions. [2018-12-08 20:35:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1388 transitions. [2018-12-08 20:35:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 20:35:05,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:05,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1131 states and 1391 transitions. [2018-12-08 20:35:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1391 transitions. [2018-12-08 20:35:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 20:35:05,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 20:35:05,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1132 states and 1391 transitions. [2018-12-08 20:35:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1391 transitions. [2018-12-08 20:35:05,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 20:35:05,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1148 states and 1409 transitions. [2018-12-08 20:35:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1409 transitions. [2018-12-08 20:35:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 20:35:06,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1167 states and 1428 transitions. [2018-12-08 20:35:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1428 transitions. [2018-12-08 20:35:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 20:35:07,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 20:35:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1200 states and 1466 transitions. [2018-12-08 20:35:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1466 transitions. [2018-12-08 20:35:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 20:35:07,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 20:35:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1210 states and 1481 transitions. [2018-12-08 20:35:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1481 transitions. [2018-12-08 20:35:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 20:35:08,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 20:35:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1218 states and 1488 transitions. [2018-12-08 20:35:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1488 transitions. [2018-12-08 20:35:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 20:35:09,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 20:35:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1224 states and 1493 transitions. [2018-12-08 20:35:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1493 transitions. [2018-12-08 20:35:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 20:35:09,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:35:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1226 states and 1496 transitions. [2018-12-08 20:35:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1496 transitions. [2018-12-08 20:35:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 20:35:09,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1245 states and 1515 transitions. [2018-12-08 20:35:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1515 transitions. [2018-12-08 20:35:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 20:35:10,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:35:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1249 states and 1519 transitions. [2018-12-08 20:35:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1519 transitions. [2018-12-08 20:35:10,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 20:35:10,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:35:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:10,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1250 states and 1519 transitions. [2018-12-08 20:35:10,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1519 transitions. [2018-12-08 20:35:10,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 20:35:10,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:12,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1260 states and 1535 transitions. [2018-12-08 20:35:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1535 transitions. [2018-12-08 20:35:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 20:35:12,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:35:12,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1261 states and 1536 transitions. [2018-12-08 20:35:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1536 transitions. [2018-12-08 20:35:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 20:35:12,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1295 states and 1570 transitions. [2018-12-08 20:35:14,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1570 transitions. [2018-12-08 20:35:14,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 20:35:14,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:16,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1305 states and 1587 transitions. [2018-12-08 20:35:16,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1587 transitions. [2018-12-08 20:35:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 20:35:16,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:35:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1306 states and 1588 transitions. [2018-12-08 20:35:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1588 transitions. [2018-12-08 20:35:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 20:35:16,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1307 states and 1588 transitions. [2018-12-08 20:35:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1588 transitions. [2018-12-08 20:35:16,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 20:35:16,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:16,450 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 20:35:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1323 states and 1609 transitions. [2018-12-08 20:35:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1609 transitions. [2018-12-08 20:35:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:35:16,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:16,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1326 states and 1614 transitions. [2018-12-08 20:35:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1614 transitions. [2018-12-08 20:35:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:35:16,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1353 states and 1641 transitions. [2018-12-08 20:35:17,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1641 transitions. [2018-12-08 20:35:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:35:17,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:17,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1360 states and 1647 transitions. [2018-12-08 20:35:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1647 transitions. [2018-12-08 20:35:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:35:17,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 20:35:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1373 states and 1667 transitions. [2018-12-08 20:35:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1667 transitions. [2018-12-08 20:35:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:35:18,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 20:35:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1374 states and 1668 transitions. [2018-12-08 20:35:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1668 transitions. [2018-12-08 20:35:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:35:18,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 20:35:19,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1389 states and 1683 transitions. [2018-12-08 20:35:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1683 transitions. [2018-12-08 20:35:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 20:35:19,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 20:35:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1431 states and 1732 transitions. [2018-12-08 20:35:23,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1732 transitions. [2018-12-08 20:35:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 20:35:23,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:35:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1457 states and 1758 transitions. [2018-12-08 20:35:23,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1758 transitions. [2018-12-08 20:35:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 20:35:23,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 100 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 20:35:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1472 states and 1778 transitions. [2018-12-08 20:35:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1778 transitions. [2018-12-08 20:35:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 20:35:23,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1506 states and 1816 transitions. [2018-12-08 20:35:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1816 transitions. [2018-12-08 20:35:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 20:35:23,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1542 states and 1852 transitions. [2018-12-08 20:35:26,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1852 transitions. [2018-12-08 20:35:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 20:35:26,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:35:26,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1549 states and 1858 transitions. [2018-12-08 20:35:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1858 transitions. [2018-12-08 20:35:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:26,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1550 states and 1858 transitions. [2018-12-08 20:35:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1858 transitions. [2018-12-08 20:35:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:26,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:35:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1601 states and 1918 transitions. [2018-12-08 20:35:29,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1918 transitions. [2018-12-08 20:35:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:29,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:35:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1655 states and 1974 transitions. [2018-12-08 20:35:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 1974 transitions. [2018-12-08 20:35:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:32,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:35:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1671 states and 1991 transitions. [2018-12-08 20:35:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 1991 transitions. [2018-12-08 20:35:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:33,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:35:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1673 states and 1992 transitions. [2018-12-08 20:35:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 1992 transitions. [2018-12-08 20:35:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:33,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:35:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1685 states and 2003 transitions. [2018-12-08 20:35:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2003 transitions. [2018-12-08 20:35:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:34,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:35:35,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1719 states and 2036 transitions. [2018-12-08 20:35:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2036 transitions. [2018-12-08 20:35:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:35,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:35,449 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:35:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1748 states and 2072 transitions. [2018-12-08 20:35:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2072 transitions. [2018-12-08 20:35:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:37,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:35:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1749 states and 2075 transitions. [2018-12-08 20:35:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2075 transitions. [2018-12-08 20:35:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:37,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:35:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1764 states and 2094 transitions. [2018-12-08 20:35:39,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2094 transitions. [2018-12-08 20:35:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:39,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:35:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1767 states and 2097 transitions. [2018-12-08 20:35:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2097 transitions. [2018-12-08 20:35:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 20:35:39,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:39,738 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:35:40,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 1770 states and 2100 transitions. [2018-12-08 20:35:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2100 transitions. [2018-12-08 20:35:40,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 20:35:40,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 20:35:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1787 states and 2117 transitions. [2018-12-08 20:35:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2117 transitions. [2018-12-08 20:35:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 20:35:40,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1788 states and 2118 transitions. [2018-12-08 20:35:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2118 transitions. [2018-12-08 20:35:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 20:35:40,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1791 states and 2121 transitions. [2018-12-08 20:35:40,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2121 transitions. [2018-12-08 20:35:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 20:35:40,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:40,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1792 states and 2121 transitions. [2018-12-08 20:35:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2121 transitions. [2018-12-08 20:35:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 20:35:40,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 1796 states and 2126 transitions. [2018-12-08 20:35:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2126 transitions. [2018-12-08 20:35:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 20:35:41,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:41,326 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:35:41,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:41,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1799 states and 2129 transitions. [2018-12-08 20:35:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2129 transitions. [2018-12-08 20:35:41,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 20:35:41,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 20:35:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1817 states and 2151 transitions. [2018-12-08 20:35:44,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2151 transitions. [2018-12-08 20:35:44,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 20:35:44,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 20:35:44,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1826 states and 2160 transitions. [2018-12-08 20:35:44,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2160 transitions. [2018-12-08 20:35:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 20:35:44,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 20:35:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1829 states and 2163 transitions. [2018-12-08 20:35:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2163 transitions. [2018-12-08 20:35:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 20:35:45,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 20:35:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1830 states and 2163 transitions. [2018-12-08 20:35:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2163 transitions. [2018-12-08 20:35:45,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 20:35:45,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:45,424 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:35:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1872 states and 2205 transitions. [2018-12-08 20:35:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2205 transitions. [2018-12-08 20:35:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 20:35:46,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:35:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1877 states and 2209 transitions. [2018-12-08 20:35:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2209 transitions. [2018-12-08 20:35:46,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 20:35:46,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 123 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-08 20:35:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 1945 states and 2283 transitions. [2018-12-08 20:35:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2283 transitions. [2018-12-08 20:35:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 20:35:47,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 20:35:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2000 states and 2339 transitions. [2018-12-08 20:35:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2339 transitions. [2018-12-08 20:35:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 20:35:48,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 20:35:48,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:48,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2014 states and 2355 transitions. [2018-12-08 20:35:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2355 transitions. [2018-12-08 20:35:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 20:35:48,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 20:35:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2050 states and 2390 transitions. [2018-12-08 20:35:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2390 transitions. [2018-12-08 20:35:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 20:35:49,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 20:35:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2062 states and 2401 transitions. [2018-12-08 20:35:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2401 transitions. [2018-12-08 20:35:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 20:35:49,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 20:35:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2135 states and 2478 transitions. [2018-12-08 20:35:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2478 transitions. [2018-12-08 20:35:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 20:35:56,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 20:35:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2175 states and 2518 transitions. [2018-12-08 20:35:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2518 transitions. [2018-12-08 20:35:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 20:35:59,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 20:36:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2187 states and 2529 transitions. [2018-12-08 20:36:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2529 transitions. [2018-12-08 20:36:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 20:36:00,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 20:36:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:03,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2254 states and 2600 transitions. [2018-12-08 20:36:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2600 transitions. [2018-12-08 20:36:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 20:36:03,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 20:36:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:04,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2261 states and 2607 transitions. [2018-12-08 20:36:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2607 transitions. [2018-12-08 20:36:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 20:36:04,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 20:36:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2266 states and 2610 transitions. [2018-12-08 20:36:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2610 transitions. [2018-12-08 20:36:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 20:36:04,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 20:36:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2297 states and 2645 transitions. [2018-12-08 20:36:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2297 states and 2645 transitions. [2018-12-08 20:36:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 20:36:05,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 20:36:06,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2305 states and 2652 transitions. [2018-12-08 20:36:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2652 transitions. [2018-12-08 20:36:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 20:36:06,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:36:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2339 states and 2685 transitions. [2018-12-08 20:36:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2685 transitions. [2018-12-08 20:36:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 20:36:08,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-08 20:36:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2370 states and 2721 transitions. [2018-12-08 20:36:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2721 transitions. [2018-12-08 20:36:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 20:36:13,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-08 20:36:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2382 states and 2732 transitions. [2018-12-08 20:36:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 2732 transitions. [2018-12-08 20:36:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 20:36:14,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 159 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 20:36:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2404 states and 2760 transitions. [2018-12-08 20:36:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2760 transitions. [2018-12-08 20:36:15,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 20:36:15,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 159 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 20:36:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2446 states and 2804 transitions. [2018-12-08 20:36:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2804 transitions. [2018-12-08 20:36:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 20:36:16,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 159 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 20:36:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2488 states and 2847 transitions. [2018-12-08 20:36:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 2847 transitions. [2018-12-08 20:36:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 20:36:20,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:20,867 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 159 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 20:36:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2495 states and 2853 transitions. [2018-12-08 20:36:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2853 transitions. [2018-12-08 20:36:21,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 20:36:21,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 20:36:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2568 states and 2934 transitions. [2018-12-08 20:36:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 2934 transitions. [2018-12-08 20:36:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 20:36:29,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 20:36:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2613 states and 2978 transitions. [2018-12-08 20:36:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 2978 transitions. [2018-12-08 20:36:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 20:36:33,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 20:36:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2616 states and 2981 transitions. [2018-12-08 20:36:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 2981 transitions. [2018-12-08 20:36:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 20:36:34,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-08 20:36:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2620 states and 2985 transitions. [2018-12-08 20:36:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 2985 transitions. [2018-12-08 20:36:35,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-08 20:36:35,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:36:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2658 states and 3022 transitions. [2018-12-08 20:36:35,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3022 transitions. [2018-12-08 20:36:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-08 20:36:35,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:36:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 2696 states and 3063 transitions. [2018-12-08 20:36:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3063 transitions. [2018-12-08 20:36:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-08 20:36:36,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-08 20:36:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 2775 states and 3145 transitions. [2018-12-08 20:36:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3145 transitions. [2018-12-08 20:36:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-08 20:36:37,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 20:36:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 2839 states and 3220 transitions. [2018-12-08 20:36:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3220 transitions. [2018-12-08 20:36:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-08 20:36:39,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 20:36:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 2858 states and 3241 transitions. [2018-12-08 20:36:40,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 3241 transitions. [2018-12-08 20:36:40,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 20:36:40,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 344 proven. 10 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 20:36:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 2864 states and 3247 transitions. [2018-12-08 20:36:40,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 3247 transitions. [2018-12-08 20:36:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 20:36:40,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 344 proven. 10 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 20:36:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:40,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 2867 states and 3249 transitions. [2018-12-08 20:36:40,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3249 transitions. [2018-12-08 20:36:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-08 20:36:40,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 336 proven. 3 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-08 20:36:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 2874 states and 3256 transitions. [2018-12-08 20:36:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3256 transitions. [2018-12-08 20:36:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 20:36:41,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:41,637 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 343 proven. 15 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-08 20:36:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 2884 states and 3270 transitions. [2018-12-08 20:36:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3270 transitions. [2018-12-08 20:36:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 20:36:42,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 343 proven. 15 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-08 20:36:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 2888 states and 3275 transitions. [2018-12-08 20:36:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3275 transitions. [2018-12-08 20:36:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 20:36:43,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 343 proven. 15 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-08 20:36:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 2893 states and 3280 transitions. [2018-12-08 20:36:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3280 transitions. [2018-12-08 20:36:44,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 20:36:44,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 20:36:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 2902 states and 3294 transitions. [2018-12-08 20:36:46,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3294 transitions. [2018-12-08 20:36:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 20:36:46,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 20:36:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 2906 states and 3297 transitions. [2018-12-08 20:36:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3297 transitions. [2018-12-08 20:36:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 20:36:47,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 20:36:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 2910 states and 3301 transitions. [2018-12-08 20:36:47,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3301 transitions. [2018-12-08 20:36:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 20:36:47,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 20:36:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 2915 states and 3306 transitions. [2018-12-08 20:36:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3306 transitions. [2018-12-08 20:36:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 20:36:48,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 20:36:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 2916 states and 3306 transitions. [2018-12-08 20:36:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3306 transitions. [2018-12-08 20:36:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 20:36:48,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 20:36:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 2922 states and 3312 transitions. [2018-12-08 20:36:48,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3312 transitions. [2018-12-08 20:36:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 20:36:48,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-08 20:36:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3373 states to 2980 states and 3373 transitions. [2018-12-08 20:36:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 3373 transitions. [2018-12-08 20:36:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 20:36:54,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-08 20:36:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 2981 states and 3372 transitions. [2018-12-08 20:36:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 3372 transitions. [2018-12-08 20:36:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 20:36:55,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-08 20:36:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3343 states to 2953 states and 3343 transitions. [2018-12-08 20:36:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3343 transitions. [2018-12-08 20:36:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-08 20:36:56,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-08 20:37:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 2995 states and 3387 transitions. [2018-12-08 20:37:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3387 transitions. [2018-12-08 20:37:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-08 20:37:01,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-08 20:37:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3022 states and 3412 transitions. [2018-12-08 20:37:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3412 transitions. [2018-12-08 20:37:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-08 20:37:02,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-08 20:37:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3046 states and 3435 transitions. [2018-12-08 20:37:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3435 transitions. [2018-12-08 20:37:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-08 20:37:04,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 410 proven. 28 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-12-08 20:37:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:09,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3098 states and 3498 transitions. [2018-12-08 20:37:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3498 transitions. [2018-12-08 20:37:09,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 20:37:09,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-12-08 20:37:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 3104 states and 3507 transitions. [2018-12-08 20:37:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 3507 transitions. [2018-12-08 20:37:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-08 20:37:11,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-12-08 20:37:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 3109 states and 3512 transitions. [2018-12-08 20:37:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3512 transitions. [2018-12-08 20:37:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-12-08 20:37:12,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 431 proven. 42 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-12-08 20:37:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3116 states and 3523 transitions. [2018-12-08 20:37:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 3523 transitions. [2018-12-08 20:37:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 20:37:13,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-12-08 20:37:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3132 states and 3540 transitions. [2018-12-08 20:37:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 3540 transitions. [2018-12-08 20:37:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 20:37:14,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-08 20:37:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3144 states and 3552 transitions. [2018-12-08 20:37:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 3552 transitions. [2018-12-08 20:37:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 20:37:16,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-08 20:37:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:17,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3156 states and 3563 transitions. [2018-12-08 20:37:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 3563 transitions. [2018-12-08 20:37:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 20:37:17,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-12-08 20:37:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 3162 states and 3569 transitions. [2018-12-08 20:37:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 3569 transitions. [2018-12-08 20:37:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 20:37:17,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-12-08 20:37:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3178 states and 3585 transitions. [2018-12-08 20:37:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 3585 transitions. [2018-12-08 20:37:18,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 20:37:18,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-08 20:37:18,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3180 states and 3586 transitions. [2018-12-08 20:37:18,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3180 states and 3586 transitions. [2018-12-08 20:37:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-08 20:37:18,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-12-08 20:37:25,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3230 states and 3637 transitions. [2018-12-08 20:37:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 3637 transitions. [2018-12-08 20:37:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-08 20:37:25,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-12-08 20:37:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3238 states and 3644 transitions. [2018-12-08 20:37:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 3644 transitions. [2018-12-08 20:37:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-08 20:37:26,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-12-08 20:37:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3677 states to 3272 states and 3677 transitions. [2018-12-08 20:37:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 3677 transitions. [2018-12-08 20:37:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 20:37:30,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3300 states and 3710 transitions. [2018-12-08 20:37:34,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3710 transitions. [2018-12-08 20:37:34,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 20:37:34,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3305 states and 3714 transitions. [2018-12-08 20:37:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 3714 transitions. [2018-12-08 20:37:35,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 20:37:35,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:36,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3310 states and 3720 transitions. [2018-12-08 20:37:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 3720 transitions. [2018-12-08 20:37:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 20:37:36,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3311 states and 3720 transitions. [2018-12-08 20:37:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 3720 transitions. [2018-12-08 20:37:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:36,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3363 states and 3775 transitions. [2018-12-08 20:37:38,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3775 transitions. [2018-12-08 20:37:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:38,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3776 states to 3364 states and 3776 transitions. [2018-12-08 20:37:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 3776 transitions. [2018-12-08 20:37:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:39,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:43,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3397 states and 3814 transitions. [2018-12-08 20:37:43,416 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 3814 transitions. [2018-12-08 20:37:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:43,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:46,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3404 states and 3820 transitions. [2018-12-08 20:37:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3404 states and 3820 transitions. [2018-12-08 20:37:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:46,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3407 states and 3825 transitions. [2018-12-08 20:37:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 3825 transitions. [2018-12-08 20:37:46,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:46,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:46,938 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:47,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3422 states and 3842 transitions. [2018-12-08 20:37:47,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3422 states and 3842 transitions. [2018-12-08 20:37:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:47,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3435 states and 3856 transitions. [2018-12-08 20:37:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 3856 transitions. [2018-12-08 20:37:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:48,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3436 states and 3857 transitions. [2018-12-08 20:37:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 3857 transitions. [2018-12-08 20:37:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:49,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:50,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3437 states and 3858 transitions. [2018-12-08 20:37:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 3858 transitions. [2018-12-08 20:37:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:50,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3442 states and 3863 transitions. [2018-12-08 20:37:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 3863 transitions. [2018-12-08 20:37:51,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:51,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3445 states and 3866 transitions. [2018-12-08 20:37:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 3866 transitions. [2018-12-08 20:37:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:51,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:52,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:52,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3463 states and 3884 transitions. [2018-12-08 20:37:52,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 3884 transitions. [2018-12-08 20:37:52,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:52,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:53,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:53,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3901 states to 3476 states and 3901 transitions. [2018-12-08 20:37:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 3901 transitions. [2018-12-08 20:37:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:53,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3479 states and 3904 transitions. [2018-12-08 20:37:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3479 states and 3904 transitions. [2018-12-08 20:37:54,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:54,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:55,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3482 states and 3907 transitions. [2018-12-08 20:37:55,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 3907 transitions. [2018-12-08 20:37:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 20:37:55,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 20:37:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3485 states and 3910 transitions. [2018-12-08 20:37:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 3910 transitions. [2018-12-08 20:37:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 20:37:55,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 20:37:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 3496 states and 3919 transitions. [2018-12-08 20:37:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 3919 transitions. [2018-12-08 20:37:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 20:37:56,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 20:37:56,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 3497 states and 3919 transitions. [2018-12-08 20:37:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3497 states and 3919 transitions. [2018-12-08 20:37:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 20:37:56,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 20:37:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3923 states to 3502 states and 3923 transitions. [2018-12-08 20:37:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3502 states and 3923 transitions. [2018-12-08 20:37:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 20:37:57,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 20:37:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3935 states to 3516 states and 3935 transitions. [2018-12-08 20:37:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3516 states and 3935 transitions. [2018-12-08 20:37:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 20:37:57,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 20:37:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3111 states and 3467 transitions. [2018-12-08 20:37:57,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3111 states and 3467 transitions. [2018-12-08 20:37:57,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:37:57,944 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 216 iterations. [2018-12-08 20:37:57,951 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 20:37:58,114 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2018-12-08 20:37:58,250 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2018-12-08 20:37:58,478 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2018-12-08 20:37:58,705 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 45 [2018-12-08 20:37:58,892 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 43 [2018-12-08 20:37:59,069 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2018-12-08 20:37:59,205 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 19 [2018-12-08 20:37:59,415 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2018-12-08 20:37:59,620 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2018-12-08 20:37:59,755 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 19 [2018-12-08 20:38:00,323 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 43 [2018-12-08 20:38:00,527 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2018-12-08 20:38:00,677 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 43 [2018-12-08 20:38:00,891 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 19 [2018-12-08 20:38:01,095 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2018-12-08 20:38:01,213 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 19 [2018-12-08 20:38:01,375 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2018-12-08 20:38:01,691 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2018-12-08 20:38:01,963 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 43 [2018-12-08 20:38:02,241 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 43 [2018-12-08 20:38:02,519 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 43 [2018-12-08 20:38:02,788 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 43 [2018-12-08 20:38:02,893 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2018-12-08 20:38:03,154 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 43 [2018-12-08 20:38:03,477 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2018-12-08 20:38:03,705 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 45 [2018-12-08 20:38:04,038 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 43 [2018-12-08 20:38:04,240 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 19 [2018-12-08 20:38:04,500 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2018-12-08 20:38:04,616 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2018-12-08 20:38:05,098 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 43 [2018-12-08 20:38:05,334 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 43 [2018-12-08 20:38:05,573 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 44 [2018-12-08 20:38:05,705 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 19 [2018-12-08 20:38:06,040 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 43 [2018-12-08 20:38:06,214 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2018-12-08 20:38:06,614 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 19 [2018-12-08 20:38:06,820 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 43 [2018-12-08 20:38:07,033 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 43 [2018-12-08 20:38:07,300 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2018-12-08 20:38:07,511 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 19 [2018-12-08 20:38:07,623 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2018-12-08 20:38:07,623 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 20:38:07,625 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-08 20:38:07,631 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-08 20:38:07,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:38:07 ImpRootNode [2018-12-08 20:38:07,632 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:38:07,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:38:07,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:38:07,633 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:38:07,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:34:23" (3/4) ... [2018-12-08 20:38:07,635 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:38:07,647 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-08 20:38:07,648 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-08 20:38:07,648 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 20:38:07,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 20:38:07,722 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6272eb75-592f-4452-96d4-1f1a97a0598c/bin-2019/ukojak/witness.graphml [2018-12-08 20:38:07,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:38:07,722 INFO L168 Benchmark]: Toolchain (without parser) took 225612.60 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 950.8 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 445.0 MB. Max. memory is 11.5 GB. [2018-12-08 20:38:07,723 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:38:07,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:38:07,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:38:07,723 INFO L168 Benchmark]: Boogie Preprocessor took 29.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:38:07,723 INFO L168 Benchmark]: RCFGBuilder took 1105.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 881.1 MB in the end (delta: 213.3 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. [2018-12-08 20:38:07,723 INFO L168 Benchmark]: CodeCheck took 224013.29 ms. Allocated memory was 1.1 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 881.1 MB in the beginning and 3.1 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2018-12-08 20:38:07,723 INFO L168 Benchmark]: Witness Printer took 89.49 ms. Allocated memory is still 3.7 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-12-08 20:38:07,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 214.3s OverallTime, 216 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2080031872 SDtfs, 1520424624 SDslu, 408945024 SDs, 0 SdLazy, 1576147736 SolverSat, 1157697544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 900.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304905 GetRequests, 296808 SyntacticMatches, 6329 SemanticMatches, 1768 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2423174 ImplicationChecksByTransitivity, 185.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 47633 NumberOfCodeBlocks, 47633 NumberOfCodeBlocksAsserted, 215 NumberOfCheckSat, 47418 ConstructedInterpolants, 0 QuantifiedInterpolants, 45959800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 215 InterpolantComputations, 138 PerfectInterpolantSequences, 61079/61981 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: 445]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a19 == 1 && !(a17 == 9)) || (a19 == 1 && !(a11 == 1))) || (!(a19 == 1) && !(a28 == 11)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a19 == 1 && !(a11 == 1)) || (!(a19 == 1) && !(a28 == 11))) || (a19 == 1 && !(a17 == 9)) * 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 977.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1105.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 881.1 MB in the end (delta: 213.3 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. * CodeCheck took 224013.29 ms. Allocated memory was 1.1 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 881.1 MB in the beginning and 3.1 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. * Witness Printer took 89.49 ms. Allocated memory is still 3.7 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...