./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_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_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:12:45,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:12:45,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:12:45,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:12:45,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:12:45,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:12:45,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:12:45,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:12:45,564 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:12:45,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:12:45,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:12:45,565 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:12:45,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:12:45,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:12:45,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:12:45,566 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:12:45,567 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:12:45,568 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:12:45,568 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:12:45,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:12:45,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:12:45,570 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:12:45,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:12:45,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:12:45,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:12:45,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:12:45,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:12:45,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:12:45,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:12:45,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:12:45,574 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:12:45,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:12:45,574 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:12:45,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:12:45,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:12:45,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:12:45,575 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:12:45,582 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:12:45,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:12:45,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:12:45,582 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:12:45,583 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:12:45,583 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:12:45,583 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:12:45,583 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:12:45,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:12:45,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:12:45,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:12:45,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:12:45,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:12:45,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:12:45,584 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:12:45,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:12:45,584 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:12:45,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:12:45,584 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:12:45,584 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:12:45,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:12:45,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:12:45,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:12:45,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:12:45,585 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:12:45,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:12:45,585 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:12:45,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:12:45,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:12:45,585 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_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2018-12-01 17:12:45,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:12:45,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:12:45,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:12:45,615 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:12:45,616 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:12:45,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-12-01 17:12:45,661 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/data/c2199963b/24e54f52bb584326a5c74e1cb6a0b7bb/FLAG3d32c7768 [2018-12-01 17:12:46,077 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:12:46,077 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-12-01 17:12:46,085 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/data/c2199963b/24e54f52bb584326a5c74e1cb6a0b7bb/FLAG3d32c7768 [2018-12-01 17:12:46,097 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/data/c2199963b/24e54f52bb584326a5c74e1cb6a0b7bb [2018-12-01 17:12:46,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:12:46,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:12:46,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:12:46,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:12:46,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:12:46,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46, skipping insertion in model container [2018-12-01 17:12:46,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:12:46,140 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:12:46,354 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:12:46,359 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:12:46,460 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:12:46,469 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:12:46,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46 WrapperNode [2018-12-01 17:12:46,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:12:46,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:12:46,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:12:46,470 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:12:46,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:12:46,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:12:46,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:12:46,512 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:12:46,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... [2018-12-01 17:12:46,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:12:46,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:12:46,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:12:46,539 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:12:46,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:12:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:12:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:12:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:12:47,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:12:47,548 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 17:12:47,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:12:47 BoogieIcfgContainer [2018-12-01 17:12:47,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:12:47,549 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:12:47,549 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:12:47,559 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:12:47,559 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:12:47" (1/1) ... [2018-12-01 17:12:47,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:12:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 17:12:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 17:12:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 17:12:47,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-12-01 17:12:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-12-01 17:12:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 17:12:48,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:12:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 218 states and 309 transitions. [2018-12-01 17:12:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 309 transitions. [2018-12-01 17:12:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 17:12:48,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 288 states and 383 transitions. [2018-12-01 17:12:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 383 transitions. [2018-12-01 17:12:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 17:12:49,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:49,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 295 states and 393 transitions. [2018-12-01 17:12:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 393 transitions. [2018-12-01 17:12:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 17:12:49,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 303 states and 405 transitions. [2018-12-01 17:12:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 405 transitions. [2018-12-01 17:12:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 17:12:49,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 310 states and 414 transitions. [2018-12-01 17:12:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 414 transitions. [2018-12-01 17:12:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 17:12:49,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:49,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 315 states and 419 transitions. [2018-12-01 17:12:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 419 transitions. [2018-12-01 17:12:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 17:12:49,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:12:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 319 states and 426 transitions. [2018-12-01 17:12:49,853 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 426 transitions. [2018-12-01 17:12:49,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 17:12:49,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:12:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 332 states and 442 transitions. [2018-12-01 17:12:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 442 transitions. [2018-12-01 17:12:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 17:12:50,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 341 states and 456 transitions. [2018-12-01 17:12:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2018-12-01 17:12:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 17:12:50,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:50,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-12-01 17:12:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-12-01 17:12:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 17:12:50,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 356 states and 478 transitions. [2018-12-01 17:12:51,221 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 478 transitions. [2018-12-01 17:12:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 17:12:51,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 357 states and 480 transitions. [2018-12-01 17:12:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 480 transitions. [2018-12-01 17:12:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 17:12:51,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 372 states and 500 transitions. [2018-12-01 17:12:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 500 transitions. [2018-12-01 17:12:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 17:12:51,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 376 states and 506 transitions. [2018-12-01 17:12:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 506 transitions. [2018-12-01 17:12:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 17:12:52,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:12:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 377 states and 506 transitions. [2018-12-01 17:12:52,091 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 506 transitions. [2018-12-01 17:12:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 17:12:52,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:12:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:52,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 390 states and 521 transitions. [2018-12-01 17:12:52,224 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 521 transitions. [2018-12-01 17:12:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 17:12:52,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 392 states and 524 transitions. [2018-12-01 17:12:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 524 transitions. [2018-12-01 17:12:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 17:12:52,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:52,445 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:12:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 403 states and 535 transitions. [2018-12-01 17:12:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 535 transitions. [2018-12-01 17:12:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 17:12:52,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:12:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 411 states and 544 transitions. [2018-12-01 17:12:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 544 transitions. [2018-12-01 17:12:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 17:12:52,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:12:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 425 states and 560 transitions. [2018-12-01 17:12:53,337 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 560 transitions. [2018-12-01 17:12:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 17:12:53,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 449 states and 595 transitions. [2018-12-01 17:12:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 595 transitions. [2018-12-01 17:12:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 17:12:54,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:12:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 452 states and 598 transitions. [2018-12-01 17:12:54,214 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 598 transitions. [2018-12-01 17:12:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 17:12:54,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:54,226 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:12:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 457 states and 603 transitions. [2018-12-01 17:12:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 603 transitions. [2018-12-01 17:12:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 17:12:54,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 464 states and 612 transitions. [2018-12-01 17:12:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 612 transitions. [2018-12-01 17:12:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 17:12:54,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:12:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 466 states and 617 transitions. [2018-12-01 17:12:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 617 transitions. [2018-12-01 17:12:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 17:12:54,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:54,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 469 states and 621 transitions. [2018-12-01 17:12:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 621 transitions. [2018-12-01 17:12:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 17:12:54,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:54,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 483 states and 635 transitions. [2018-12-01 17:12:54,999 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 635 transitions. [2018-12-01 17:12:55,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 17:12:55,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:55,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 486 states and 638 transitions. [2018-12-01 17:12:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 638 transitions. [2018-12-01 17:12:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 17:12:55,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 502 states and 659 transitions. [2018-12-01 17:12:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 659 transitions. [2018-12-01 17:12:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 17:12:55,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 516 states and 677 transitions. [2018-12-01 17:12:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 677 transitions. [2018-12-01 17:12:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 17:12:56,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 525 states and 686 transitions. [2018-12-01 17:12:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 686 transitions. [2018-12-01 17:12:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 17:12:56,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:57,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 550 states and 723 transitions. [2018-12-01 17:12:57,838 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 723 transitions. [2018-12-01 17:12:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 17:12:57,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:58,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 551 states and 725 transitions. [2018-12-01 17:12:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 725 transitions. [2018-12-01 17:12:58,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 17:12:58,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:12:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 567 states and 745 transitions. [2018-12-01 17:12:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 745 transitions. [2018-12-01 17:12:58,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 17:12:58,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 17:12:58,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 576 states and 756 transitions. [2018-12-01 17:12:58,592 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 756 transitions. [2018-12-01 17:12:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 17:12:58,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:12:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:12:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 590 states and 773 transitions. [2018-12-01 17:12:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 773 transitions. [2018-12-01 17:12:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 17:12:59,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:12:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:12:59,772 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:13:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 607 states and 793 transitions. [2018-12-01 17:13:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 793 transitions. [2018-12-01 17:13:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 17:13:00,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 615 states and 801 transitions. [2018-12-01 17:13:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 801 transitions. [2018-12-01 17:13:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 17:13:00,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 622 states and 812 transitions. [2018-12-01 17:13:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 812 transitions. [2018-12-01 17:13:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 17:13:00,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 626 states and 818 transitions. [2018-12-01 17:13:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 818 transitions. [2018-12-01 17:13:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 17:13:01,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 627 states and 819 transitions. [2018-12-01 17:13:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 819 transitions. [2018-12-01 17:13:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 17:13:01,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 628 states and 820 transitions. [2018-12-01 17:13:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 820 transitions. [2018-12-01 17:13:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 17:13:01,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 629 states and 822 transitions. [2018-12-01 17:13:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 822 transitions. [2018-12-01 17:13:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 17:13:01,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 631 states and 824 transitions. [2018-12-01 17:13:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 824 transitions. [2018-12-01 17:13:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 17:13:01,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:03,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 642 states and 844 transitions. [2018-12-01 17:13:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 844 transitions. [2018-12-01 17:13:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 17:13:03,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 645 states and 846 transitions. [2018-12-01 17:13:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 846 transitions. [2018-12-01 17:13:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 17:13:03,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 648 states and 849 transitions. [2018-12-01 17:13:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 849 transitions. [2018-12-01 17:13:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 17:13:03,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 650 states and 851 transitions. [2018-12-01 17:13:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 851 transitions. [2018-12-01 17:13:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 17:13:04,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:04,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 653 states and 853 transitions. [2018-12-01 17:13:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 853 transitions. [2018-12-01 17:13:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 17:13:04,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:13:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 656 states and 856 transitions. [2018-12-01 17:13:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 856 transitions. [2018-12-01 17:13:05,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 17:13:05,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:13:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:05,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 657 states and 857 transitions. [2018-12-01 17:13:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 857 transitions. [2018-12-01 17:13:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 17:13:05,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:13:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 666 states and 871 transitions. [2018-12-01 17:13:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 871 transitions. [2018-12-01 17:13:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 17:13:05,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:05,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 679 states and 889 transitions. [2018-12-01 17:13:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 889 transitions. [2018-12-01 17:13:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 17:13:05,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 724 states and 939 transitions. [2018-12-01 17:13:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 939 transitions. [2018-12-01 17:13:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 17:13:07,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 758 states and 975 transitions. [2018-12-01 17:13:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 975 transitions. [2018-12-01 17:13:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 17:13:07,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 775 states and 996 transitions. [2018-12-01 17:13:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 996 transitions. [2018-12-01 17:13:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 17:13:09,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 17:13:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 784 states and 1011 transitions. [2018-12-01 17:13:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1011 transitions. [2018-12-01 17:13:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 17:13:10,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 797 states and 1024 transitions. [2018-12-01 17:13:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1024 transitions. [2018-12-01 17:13:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 17:13:10,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:13:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 799 states and 1026 transitions. [2018-12-01 17:13:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1026 transitions. [2018-12-01 17:13:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 17:13:10,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:13:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 809 states and 1037 transitions. [2018-12-01 17:13:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1037 transitions. [2018-12-01 17:13:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 17:13:11,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:13:11,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 810 states and 1037 transitions. [2018-12-01 17:13:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1037 transitions. [2018-12-01 17:13:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 17:13:11,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 17:13:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 849 states and 1080 transitions. [2018-12-01 17:13:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1080 transitions. [2018-12-01 17:13:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 17:13:12,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:13:12,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 854 states and 1086 transitions. [2018-12-01 17:13:12,966 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1086 transitions. [2018-12-01 17:13:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 17:13:12,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 17:13:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:13,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 867 states and 1103 transitions. [2018-12-01 17:13:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1103 transitions. [2018-12-01 17:13:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 17:13:13,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 17:13:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 880 states and 1122 transitions. [2018-12-01 17:13:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1122 transitions. [2018-12-01 17:13:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-01 17:13:14,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 897 states and 1141 transitions. [2018-12-01 17:13:15,007 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1141 transitions. [2018-12-01 17:13:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 17:13:15,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 916 states and 1164 transitions. [2018-12-01 17:13:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1164 transitions. [2018-12-01 17:13:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 17:13:15,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 928 states and 1188 transitions. [2018-12-01 17:13:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1188 transitions. [2018-12-01 17:13:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 17:13:16,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:16,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 929 states and 1190 transitions. [2018-12-01 17:13:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1190 transitions. [2018-12-01 17:13:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 17:13:16,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:16,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 936 states and 1200 transitions. [2018-12-01 17:13:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1200 transitions. [2018-12-01 17:13:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 17:13:16,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:17,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 938 states and 1201 transitions. [2018-12-01 17:13:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1201 transitions. [2018-12-01 17:13:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 17:13:17,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:13:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 945 states and 1210 transitions. [2018-12-01 17:13:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1210 transitions. [2018-12-01 17:13:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 17:13:17,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:13:17,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 946 states and 1211 transitions. [2018-12-01 17:13:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1211 transitions. [2018-12-01 17:13:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 17:13:17,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:13:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 948 states and 1212 transitions. [2018-12-01 17:13:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1212 transitions. [2018-12-01 17:13:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 17:13:17,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:13:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 950 states and 1213 transitions. [2018-12-01 17:13:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1213 transitions. [2018-12-01 17:13:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 17:13:17,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:13:25,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1008 states and 1275 transitions. [2018-12-01 17:13:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1275 transitions. [2018-12-01 17:13:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 17:13:25,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 17:13:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1022 states and 1291 transitions. [2018-12-01 17:13:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1291 transitions. [2018-12-01 17:13:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 17:13:25,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 17:13:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1027 states and 1296 transitions. [2018-12-01 17:13:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1296 transitions. [2018-12-01 17:13:26,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 17:13:26,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:13:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1044 states and 1314 transitions. [2018-12-01 17:13:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1314 transitions. [2018-12-01 17:13:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 17:13:26,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1049 states and 1319 transitions. [2018-12-01 17:13:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1319 transitions. [2018-12-01 17:13:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 17:13:26,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1051 states and 1320 transitions. [2018-12-01 17:13:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1320 transitions. [2018-12-01 17:13:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 17:13:26,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1057 states and 1331 transitions. [2018-12-01 17:13:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1331 transitions. [2018-12-01 17:13:28,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:13:28,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:13:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1062 states and 1336 transitions. [2018-12-01 17:13:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1336 transitions. [2018-12-01 17:13:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:13:28,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:13:28,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1063 states and 1336 transitions. [2018-12-01 17:13:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1336 transitions. [2018-12-01 17:13:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:13:28,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:13:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1091 states and 1366 transitions. [2018-12-01 17:13:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1366 transitions. [2018-12-01 17:13:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:13:29,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:13:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1092 states and 1366 transitions. [2018-12-01 17:13:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1366 transitions. [2018-12-01 17:13:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:13:29,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1121 states and 1402 transitions. [2018-12-01 17:13:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1402 transitions. [2018-12-01 17:13:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:13:31,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1123 states and 1403 transitions. [2018-12-01 17:13:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1403 transitions. [2018-12-01 17:13:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 17:13:31,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:13:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:33,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1156 states and 1439 transitions. [2018-12-01 17:13:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1439 transitions. [2018-12-01 17:13:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 17:13:33,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:13:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1162 states and 1445 transitions. [2018-12-01 17:13:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1445 transitions. [2018-12-01 17:13:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 17:13:34,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:13:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1191 states and 1473 transitions. [2018-12-01 17:13:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1473 transitions. [2018-12-01 17:13:35,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 17:13:35,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:13:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1192 states and 1473 transitions. [2018-12-01 17:13:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1473 transitions. [2018-12-01 17:13:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 17:13:35,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 17:13:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1204 states and 1489 transitions. [2018-12-01 17:13:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1489 transitions. [2018-12-01 17:13:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:13:36,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:37,195 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:38,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1272 states and 1567 transitions. [2018-12-01 17:13:38,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1567 transitions. [2018-12-01 17:13:38,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 17:13:38,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:13:39,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1274 states and 1570 transitions. [2018-12-01 17:13:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1570 transitions. [2018-12-01 17:13:39,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 17:13:39,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1291 states and 1604 transitions. [2018-12-01 17:13:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1604 transitions. [2018-12-01 17:13:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 17:13:42,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 17:13:42,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1293 states and 1607 transitions. [2018-12-01 17:13:42,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1607 transitions. [2018-12-01 17:13:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 17:13:42,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 17:13:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1296 states and 1611 transitions. [2018-12-01 17:13:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1611 transitions. [2018-12-01 17:13:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 17:13:42,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 17:13:43,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1301 states and 1620 transitions. [2018-12-01 17:13:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1620 transitions. [2018-12-01 17:13:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 17:13:43,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1306 states and 1625 transitions. [2018-12-01 17:13:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1625 transitions. [2018-12-01 17:13:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 17:13:44,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 145 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:13:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1317 states and 1643 transitions. [2018-12-01 17:13:46,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1643 transitions. [2018-12-01 17:13:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 17:13:46,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 145 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:13:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1319 states and 1649 transitions. [2018-12-01 17:13:46,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1649 transitions. [2018-12-01 17:13:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-01 17:13:46,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1329 states and 1660 transitions. [2018-12-01 17:13:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1660 transitions. [2018-12-01 17:13:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 17:13:46,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1362 states and 1696 transitions. [2018-12-01 17:13:49,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1696 transitions. [2018-12-01 17:13:49,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 17:13:49,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1364 states and 1698 transitions. [2018-12-01 17:13:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1698 transitions. [2018-12-01 17:13:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 17:13:50,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:13:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1378 states and 1711 transitions. [2018-12-01 17:13:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1711 transitions. [2018-12-01 17:13:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 17:13:50,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 17:13:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1388 states and 1721 transitions. [2018-12-01 17:13:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1721 transitions. [2018-12-01 17:13:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 17:13:51,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:13:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1406 states and 1744 transitions. [2018-12-01 17:13:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1744 transitions. [2018-12-01 17:13:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 17:13:53,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:13:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1415 states and 1752 transitions. [2018-12-01 17:13:53,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1752 transitions. [2018-12-01 17:13:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 17:13:53,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 17:13:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1485 states and 1826 transitions. [2018-12-01 17:13:54,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1826 transitions. [2018-12-01 17:13:54,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 17:13:54,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-01 17:13:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:13:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1499 states and 1840 transitions. [2018-12-01 17:13:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1840 transitions. [2018-12-01 17:13:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:13:55,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:13:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:13:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 17:14:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1535 states and 1880 transitions. [2018-12-01 17:14:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1880 transitions. [2018-12-01 17:14:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:14:02,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 17:14:03,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1546 states and 1891 transitions. [2018-12-01 17:14:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1891 transitions. [2018-12-01 17:14:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:14:03,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:14:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1557 states and 1903 transitions. [2018-12-01 17:14:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1903 transitions. [2018-12-01 17:14:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 17:14:03,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 17:14:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1566 states and 1919 transitions. [2018-12-01 17:14:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1919 transitions. [2018-12-01 17:14:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 17:14:05,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-12-01 17:14:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1594 states and 1956 transitions. [2018-12-01 17:14:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1956 transitions. [2018-12-01 17:14:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 17:14:06,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:14:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1639 states and 2013 transitions. [2018-12-01 17:14:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2013 transitions. [2018-12-01 17:14:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 17:14:09,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:14:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1641 states and 2014 transitions. [2018-12-01 17:14:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2014 transitions. [2018-12-01 17:14:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 17:14:10,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:14:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1648 states and 2023 transitions. [2018-12-01 17:14:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2023 transitions. [2018-12-01 17:14:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 17:14:10,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 17:14:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1651 states and 2027 transitions. [2018-12-01 17:14:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2027 transitions. [2018-12-01 17:14:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 17:14:11,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:14:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1652 states and 2029 transitions. [2018-12-01 17:14:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2029 transitions. [2018-12-01 17:14:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 17:14:12,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:14:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1659 states and 2039 transitions. [2018-12-01 17:14:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2039 transitions. [2018-12-01 17:14:14,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 17:14:14,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 17:14:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1666 states and 2050 transitions. [2018-12-01 17:14:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2050 transitions. [2018-12-01 17:14:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 17:14:15,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-01 17:14:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:15,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 1667 states and 2051 transitions. [2018-12-01 17:14:15,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2051 transitions. [2018-12-01 17:14:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:14:15,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 17:14:18,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:18,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1706 states and 2099 transitions. [2018-12-01 17:14:18,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2099 transitions. [2018-12-01 17:14:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:14:18,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 17:14:19,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 1726 states and 2123 transitions. [2018-12-01 17:14:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2123 transitions. [2018-12-01 17:14:19,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:14:19,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 17:14:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1743 states and 2139 transitions. [2018-12-01 17:14:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2139 transitions. [2018-12-01 17:14:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:14:19,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 17:14:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1749 states and 2145 transitions. [2018-12-01 17:14:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2145 transitions. [2018-12-01 17:14:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:14:19,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 17:14:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1766 states and 2161 transitions. [2018-12-01 17:14:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2161 transitions. [2018-12-01 17:14:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:14:19,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 17:14:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1775 states and 2169 transitions. [2018-12-01 17:14:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2169 transitions. [2018-12-01 17:14:20,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-01 17:14:20,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 17:14:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:28,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1802 states and 2200 transitions. [2018-12-01 17:14:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2200 transitions. [2018-12-01 17:14:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-01 17:14:28,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 17:14:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1804 states and 2201 transitions. [2018-12-01 17:14:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2201 transitions. [2018-12-01 17:14:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-01 17:14:28,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 17:14:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1805 states and 2203 transitions. [2018-12-01 17:14:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2203 transitions. [2018-12-01 17:14:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-01 17:14:33,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-01 17:14:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1816 states and 2213 transitions. [2018-12-01 17:14:34,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2213 transitions. [2018-12-01 17:14:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 17:14:34,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 177 proven. 8 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-01 17:14:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1825 states and 2226 transitions. [2018-12-01 17:14:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2226 transitions. [2018-12-01 17:14:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 17:14:35,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 177 proven. 8 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-01 17:14:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1830 states and 2229 transitions. [2018-12-01 17:14:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2229 transitions. [2018-12-01 17:14:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 17:14:36,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:14:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1851 states and 2258 transitions. [2018-12-01 17:14:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2258 transitions. [2018-12-01 17:14:42,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 17:14:42,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:14:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1862 states and 2268 transitions. [2018-12-01 17:14:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2268 transitions. [2018-12-01 17:14:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-01 17:14:42,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:14:43,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1874 states and 2281 transitions. [2018-12-01 17:14:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2281 transitions. [2018-12-01 17:14:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-01 17:14:43,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:14:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1890 states and 2297 transitions. [2018-12-01 17:14:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2297 transitions. [2018-12-01 17:14:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:44,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1893 states and 2300 transitions. [2018-12-01 17:14:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2300 transitions. [2018-12-01 17:14:45,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:45,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1920 states and 2332 transitions. [2018-12-01 17:14:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2332 transitions. [2018-12-01 17:14:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:50,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 1932 states and 2346 transitions. [2018-12-01 17:14:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2346 transitions. [2018-12-01 17:14:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:51,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 1943 states and 2357 transitions. [2018-12-01 17:14:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2357 transitions. [2018-12-01 17:14:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:52,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 1951 states and 2371 transitions. [2018-12-01 17:14:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2371 transitions. [2018-12-01 17:14:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:53,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1958 states and 2377 transitions. [2018-12-01 17:14:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2377 transitions. [2018-12-01 17:14:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:53,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1960 states and 2377 transitions. [2018-12-01 17:14:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2377 transitions. [2018-12-01 17:14:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:54,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1964 states and 2380 transitions. [2018-12-01 17:14:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2380 transitions. [2018-12-01 17:14:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:55,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 1968 states and 2384 transitions. [2018-12-01 17:14:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2384 transitions. [2018-12-01 17:14:55,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:55,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 1969 states and 2384 transitions. [2018-12-01 17:14:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2384 transitions. [2018-12-01 17:14:56,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:56,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:56,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 1973 states and 2389 transitions. [2018-12-01 17:14:56,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2389 transitions. [2018-12-01 17:14:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:56,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 1974 states and 2389 transitions. [2018-12-01 17:14:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2389 transitions. [2018-12-01 17:14:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:56,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 1975 states and 2390 transitions. [2018-12-01 17:14:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2390 transitions. [2018-12-01 17:14:57,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:57,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:57,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 1978 states and 2393 transitions. [2018-12-01 17:14:57,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2393 transitions. [2018-12-01 17:14:57,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:14:57,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:14:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-01 17:14:58,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:14:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 1983 states and 2397 transitions. [2018-12-01 17:14:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2397 transitions. [2018-12-01 17:14:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-01 17:14:58,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:14:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:01,450 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 356 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:15:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2038 states and 2456 transitions. [2018-12-01 17:15:12,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2456 transitions. [2018-12-01 17:15:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-01 17:15:12,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-12-01 17:15:13,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2047 states and 2468 transitions. [2018-12-01 17:15:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2468 transitions. [2018-12-01 17:15:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 17:15:13,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:15:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2070 states and 2499 transitions. [2018-12-01 17:15:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2499 transitions. [2018-12-01 17:15:17,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-01 17:15:17,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 17:15:25,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:25,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2125 states and 2555 transitions. [2018-12-01 17:15:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2555 transitions. [2018-12-01 17:15:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-01 17:15:25,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 17:15:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2130 states and 2559 transitions. [2018-12-01 17:15:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2559 transitions. [2018-12-01 17:15:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 17:15:26,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-01 17:15:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2170 states and 2612 transitions. [2018-12-01 17:15:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2612 transitions. [2018-12-01 17:15:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 17:15:31,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-01 17:15:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:32,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2205 states and 2647 transitions. [2018-12-01 17:15:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2647 transitions. [2018-12-01 17:15:32,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 17:15:32,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-01 17:15:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2206 states and 2647 transitions. [2018-12-01 17:15:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2647 transitions. [2018-12-01 17:15:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 17:15:33,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:15:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2253 states and 2700 transitions. [2018-12-01 17:15:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2700 transitions. [2018-12-01 17:15:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 17:15:51,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:15:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:15:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2277 states and 2723 transitions. [2018-12-01 17:15:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2723 transitions. [2018-12-01 17:15:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 17:15:54,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:15:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:15:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:16:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2320 states and 2769 transitions. [2018-12-01 17:16:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 2769 transitions. [2018-12-01 17:16:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 17:16:00,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:16:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2324 states and 2772 transitions. [2018-12-01 17:16:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2772 transitions. [2018-12-01 17:16:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 17:16:01,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:16:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2325 states and 2773 transitions. [2018-12-01 17:16:02,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2773 transitions. [2018-12-01 17:16:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 17:16:02,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:16:02,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:02,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2329 states and 2775 transitions. [2018-12-01 17:16:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 2775 transitions. [2018-12-01 17:16:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 17:16:02,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 17:16:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2335 states and 2786 transitions. [2018-12-01 17:16:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2786 transitions. [2018-12-01 17:16:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 17:16:04,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-01 17:16:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2336 states and 2787 transitions. [2018-12-01 17:16:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2787 transitions. [2018-12-01 17:16:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 17:16:10,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:16:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2367 states and 2821 transitions. [2018-12-01 17:16:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2821 transitions. [2018-12-01 17:16:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 17:16:20,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:16:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2399 states and 2853 transitions. [2018-12-01 17:16:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 2853 transitions. [2018-12-01 17:16:27,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 17:16:27,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:16:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2400 states and 2854 transitions. [2018-12-01 17:16:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 2854 transitions. [2018-12-01 17:16:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-01 17:16:27,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-01 17:16:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2405 states and 2858 transitions. [2018-12-01 17:16:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2858 transitions. [2018-12-01 17:16:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 17:16:31,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 17:16:39,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2447 states and 2902 transitions. [2018-12-01 17:16:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2902 transitions. [2018-12-01 17:16:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 17:16:39,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:16:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2461 states and 2928 transitions. [2018-12-01 17:16:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2928 transitions. [2018-12-01 17:16:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 17:16:47,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:16:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:51,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2481 states and 2953 transitions. [2018-12-01 17:16:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 2953 transitions. [2018-12-01 17:16:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 17:16:51,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:51,522 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:16:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:52,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2483 states and 2956 transitions. [2018-12-01 17:16:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2956 transitions. [2018-12-01 17:16:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 17:16:52,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:16:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2492 states and 2964 transitions. [2018-12-01 17:16:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 2964 transitions. [2018-12-01 17:16:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-01 17:16:52,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-01 17:16:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:16:55,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2504 states and 2975 transitions. [2018-12-01 17:16:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 2975 transitions. [2018-12-01 17:16:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 17:16:55,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:16:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:16:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 383 proven. 55 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:17:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 2543 states and 3025 transitions. [2018-12-01 17:17:06,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 3025 transitions. [2018-12-01 17:17:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-01 17:17:06,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 17:17:11,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 2574 states and 3058 transitions. [2018-12-01 17:17:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 3058 transitions. [2018-12-01 17:17:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-01 17:17:11,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 17:17:15,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:15,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 2588 states and 3069 transitions. [2018-12-01 17:17:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 3069 transitions. [2018-12-01 17:17:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 17:17:15,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:15,214 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 17:17:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 2625 states and 3105 transitions. [2018-12-01 17:17:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3105 transitions. [2018-12-01 17:17:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-01 17:17:20,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:17:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 2626 states and 3107 transitions. [2018-12-01 17:17:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3107 transitions. [2018-12-01 17:17:23,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 17:17:23,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 17:17:31,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 2657 states and 3153 transitions. [2018-12-01 17:17:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3153 transitions. [2018-12-01 17:17:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 17:17:31,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 17:17:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 2659 states and 3155 transitions. [2018-12-01 17:17:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3155 transitions. [2018-12-01 17:17:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 17:17:32,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 17:17:38,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 2660 states and 3157 transitions. [2018-12-01 17:17:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3157 transitions. [2018-12-01 17:17:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 17:17:38,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 17:17:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 2663 states and 3161 transitions. [2018-12-01 17:17:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3161 transitions. [2018-12-01 17:17:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 17:17:40,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:40,765 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 17:17:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:41,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2664 states and 3164 transitions. [2018-12-01 17:17:41,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3164 transitions. [2018-12-01 17:17:41,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 17:17:41,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 17:17:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 2667 states and 3167 transitions. [2018-12-01 17:17:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3167 transitions. [2018-12-01 17:17:42,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-01 17:17:42,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 442 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-01 17:17:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 2662 states and 3161 transitions. [2018-12-01 17:17:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3161 transitions. [2018-12-01 17:17:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 17:17:44,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-01 17:17:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 2663 states and 3163 transitions. [2018-12-01 17:17:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3163 transitions. [2018-12-01 17:17:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 17:17:46,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 365 proven. 157 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 17:17:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 2669 states and 3171 transitions. [2018-12-01 17:17:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3171 transitions. [2018-12-01 17:17:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 17:17:48,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 17:17:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 2674 states and 3179 transitions. [2018-12-01 17:17:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3179 transitions. [2018-12-01 17:17:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 17:17:49,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:17:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:17:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 2675 states and 3181 transitions. [2018-12-01 17:17:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3181 transitions. [2018-12-01 17:17:56,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 17:17:56,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:17:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:17:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:18:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 2722 states and 3229 transitions. [2018-12-01 17:18:02,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3229 transitions. [2018-12-01 17:18:02,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 17:18:02,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:18:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 2736 states and 3251 transitions. [2018-12-01 17:18:07,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3251 transitions. [2018-12-01 17:18:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 17:18:07,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:18:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 2803 states and 3320 transitions. [2018-12-01 17:18:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3320 transitions. [2018-12-01 17:18:14,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 17:18:14,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:18:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2805 states and 3321 transitions. [2018-12-01 17:18:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 3321 transitions. [2018-12-01 17:18:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 17:18:15,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:18:17,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 2809 states and 3325 transitions. [2018-12-01 17:18:17,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3325 transitions. [2018-12-01 17:18:17,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 17:18:17,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:18:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2811 states and 3327 transitions. [2018-12-01 17:18:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3327 transitions. [2018-12-01 17:18:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 17:18:19,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 17:18:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 2850 states and 3367 transitions. [2018-12-01 17:18:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3367 transitions. [2018-12-01 17:18:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-01 17:18:26,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 473 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 17:18:32,059 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-01 17:18:40,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 2902 states and 3419 transitions. [2018-12-01 17:18:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3419 transitions. [2018-12-01 17:18:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-01 17:18:40,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 17:18:49,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:18:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 2936 states and 3460 transitions. [2018-12-01 17:18:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 3460 transitions. [2018-12-01 17:18:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 17:18:49,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:18:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:18:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 17:19:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 3057 states and 3599 transitions. [2018-12-01 17:19:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 3599 transitions. [2018-12-01 17:19:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:19:03,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 515 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 17:19:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3015 states and 3556 transitions. [2018-12-01 17:19:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 3556 transitions. [2018-12-01 17:19:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:19:06,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-01 17:19:08,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:08,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3029 states and 3572 transitions. [2018-12-01 17:19:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3572 transitions. [2018-12-01 17:19:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:19:08,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:19:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3030 states and 3574 transitions. [2018-12-01 17:19:16,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3574 transitions. [2018-12-01 17:19:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:19:16,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:19:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3055 states and 3602 transitions. [2018-12-01 17:19:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 3602 transitions. [2018-12-01 17:19:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:19:23,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:19:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3635 states to 3089 states and 3635 transitions. [2018-12-01 17:19:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3635 transitions. [2018-12-01 17:19:29,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:19:29,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:19:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3090 states and 3636 transitions. [2018-12-01 17:19:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3636 transitions. [2018-12-01 17:19:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:19:29,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:19:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 3094 states and 3639 transitions. [2018-12-01 17:19:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 3639 transitions. [2018-12-01 17:19:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 17:19:31,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:31,514 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 17:19:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3098 states and 3642 transitions. [2018-12-01 17:19:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3642 transitions. [2018-12-01 17:19:32,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 17:19:32,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:19:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3119 states and 3666 transitions. [2018-12-01 17:19:36,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 3666 transitions. [2018-12-01 17:19:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 17:19:36,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 490 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-01 17:19:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3129 states and 3674 transitions. [2018-12-01 17:19:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 3674 transitions. [2018-12-01 17:19:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 17:19:39,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:19:41,746 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-01 17:19:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3151 states and 3696 transitions. [2018-12-01 17:19:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 3696 transitions. [2018-12-01 17:19:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 17:19:45,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:19:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 3159 states and 3706 transitions. [2018-12-01 17:19:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3706 transitions. [2018-12-01 17:19:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 17:19:49,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:19:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3170 states and 3716 transitions. [2018-12-01 17:19:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 3716 transitions. [2018-12-01 17:19:52,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 17:19:52,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:19:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3195 states and 3739 transitions. [2018-12-01 17:19:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 3739 transitions. [2018-12-01 17:19:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 17:19:57,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 490 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-01 17:19:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3196 states and 3739 transitions. [2018-12-01 17:19:57,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 3739 transitions. [2018-12-01 17:19:57,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-01 17:19:57,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:19:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 17:19:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:19:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3197 states and 3739 transitions. [2018-12-01 17:19:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 3739 transitions. [2018-12-01 17:19:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:19:58,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:19:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:20:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3202 states and 3747 transitions. [2018-12-01 17:20:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3202 states and 3747 transitions. [2018-12-01 17:20:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:20:12,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 17:20:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3750 states to 3205 states and 3750 transitions. [2018-12-01 17:20:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3750 transitions. [2018-12-01 17:20:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 17:20:13,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2018-12-01 17:20:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3206 states and 3755 transitions. [2018-12-01 17:20:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3206 states and 3755 transitions. [2018-12-01 17:20:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-01 17:20:13,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 17:20:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3239 states and 3807 transitions. [2018-12-01 17:20:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 3807 transitions. [2018-12-01 17:20:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-01 17:20:28,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 17:20:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3263 states and 3839 transitions. [2018-12-01 17:20:36,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 3839 transitions. [2018-12-01 17:20:36,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-01 17:20:36,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 17:20:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3278 states and 3853 transitions. [2018-12-01 17:20:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3853 transitions. [2018-12-01 17:20:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-01 17:20:42,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 17:20:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3284 states and 3860 transitions. [2018-12-01 17:20:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 3860 transitions. [2018-12-01 17:20:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-01 17:20:46,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 17:20:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3285 states and 3860 transitions. [2018-12-01 17:20:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 3860 transitions. [2018-12-01 17:20:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-01 17:20:48,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-01 17:20:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3286 states and 3860 transitions. [2018-12-01 17:20:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 3860 transitions. [2018-12-01 17:20:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-01 17:20:50,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-01 17:20:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 3343 states and 3918 transitions. [2018-12-01 17:20:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 3343 states and 3918 transitions. [2018-12-01 17:20:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-01 17:20:55,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-01 17:20:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3351 states and 3925 transitions. [2018-12-01 17:20:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3351 states and 3925 transitions. [2018-12-01 17:20:55,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-01 17:20:55,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 578 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-01 17:20:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 3355 states and 3930 transitions. [2018-12-01 17:20:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 3930 transitions. [2018-12-01 17:20:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 17:20:58,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-12-01 17:20:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3356 states and 3931 transitions. [2018-12-01 17:20:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 3931 transitions. [2018-12-01 17:20:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 17:20:59,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-12-01 17:20:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3281 states and 3853 transitions. [2018-12-01 17:20:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3853 transitions. [2018-12-01 17:20:59,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:20:59,950 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 239 iterations. [2018-12-01 17:20:59,956 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 17:21:00,139 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 39 [2018-12-01 17:21:00,308 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 37 [2018-12-01 17:21:00,584 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 50 [2018-12-01 17:21:00,762 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2018-12-01 17:21:00,999 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 39 [2018-12-01 17:21:01,299 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 39 [2018-12-01 17:21:01,452 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 12 [2018-12-01 17:21:01,764 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 49 [2018-12-01 17:21:02,058 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 49 [2018-12-01 17:21:02,308 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 12 [2018-12-01 17:21:02,566 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 39 [2018-12-01 17:21:02,840 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 51 [2018-12-01 17:21:03,186 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 50 [2018-12-01 17:21:03,475 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 45 [2018-12-01 17:21:03,853 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 39 [2018-12-01 17:21:04,305 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 46 [2018-12-01 17:21:04,513 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 39 [2018-12-01 17:21:04,755 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 39 [2018-12-01 17:21:05,041 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2018-12-01 17:21:05,314 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2018-12-01 17:21:05,507 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2018-12-01 17:21:05,723 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 39 [2018-12-01 17:21:05,978 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 36 [2018-12-01 17:21:06,205 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 39 [2018-12-01 17:21:06,377 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 39 [2018-12-01 17:21:06,611 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 39 [2018-12-01 17:21:06,880 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 37 [2018-12-01 17:21:07,275 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 51 [2018-12-01 17:21:07,526 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 39 [2018-12-01 17:21:07,817 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 39 [2018-12-01 17:21:08,193 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 39 [2018-12-01 17:21:08,504 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 37 [2018-12-01 17:21:08,888 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 39 [2018-12-01 17:21:09,056 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2018-12-01 17:21:09,323 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 39 [2018-12-01 17:21:09,428 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2018-12-01 17:21:09,648 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 38 [2018-12-01 17:21:09,880 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 37 [2018-12-01 17:21:10,137 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 49 [2018-12-01 17:21:10,573 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 66 [2018-12-01 17:21:10,841 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2018-12-01 17:21:11,017 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 39 [2018-12-01 17:21:11,304 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 46 [2018-12-01 17:21:11,597 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 39 [2018-12-01 17:21:11,815 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 39 [2018-12-01 17:21:12,032 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 39 [2018-12-01 17:21:12,361 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 50 [2018-12-01 17:21:12,361 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:21:12,363 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-01 17:21:12,370 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-01 17:21:12,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:21:12 ImpRootNode [2018-12-01 17:21:12,370 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:21:12,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:21:12,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:21:12,371 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:21:12,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:12:47" (3/4) ... [2018-12-01 17:21:12,374 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:21:12,387 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 17:21:12,387 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 17:21:12,388 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 17:21:12,388 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:21:12,460 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f32467f-5a3c-4d2a-8c79-a88f0aee4921/bin-2019/ukojak/witness.graphml [2018-12-01 17:21:12,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:21:12,461 INFO L168 Benchmark]: Toolchain (without parser) took 506361.67 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 951.7 MB in the beginning and 1.5 GB in the end (delta: -562.8 MB). Peak memory consumption was 832.3 MB. Max. memory is 11.5 GB. [2018-12-01 17:21:12,461 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:21:12,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:21:12,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:21:12,462 INFO L168 Benchmark]: Boogie Preprocessor took 27.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:21:12,462 INFO L168 Benchmark]: RCFGBuilder took 1009.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.4 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:21:12,462 INFO L168 Benchmark]: CodeCheck took 504821.41 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 890.4 MB in the beginning and 1.5 GB in the end (delta: -652.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-01 17:21:12,463 INFO L168 Benchmark]: Witness Printer took 89.64 ms. Allocated memory is still 2.4 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-01 17:21:12,464 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 492.3s OverallTime, 239 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 276856848 SDtfs, 1083035728 SDslu, -2105343920 SDs, 0 SdLazy, 62709456 SolverSat, 790403368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1139.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 315878 GetRequests, 304589 SyntacticMatches, 8801 SemanticMatches, 2488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4642759 ImplicationChecksByTransitivity, 451.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 73.2s InterpolantComputationTime, 48592 NumberOfCodeBlocks, 48592 NumberOfCodeBlocksAsserted, 238 NumberOfCheckSat, 48354 ConstructedInterpolants, 0 QuantifiedInterpolants, 83952129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 238 InterpolantComputations, 167 PerfectInterpolantSequences, 64154/65951 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: 509]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || a8 == 15) || a7 == 1) || a20 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || a20 == 1) || a8 == 15) || a7 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1009.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.4 MB in the end (delta: 210.8 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. * CodeCheck took 504821.41 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 890.4 MB in the beginning and 1.5 GB in the end (delta: -652.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 89.64 ms. Allocated memory is still 2.4 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...