./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/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 d90d90ab0f83213f6e486d9f5a42850d0f82e05d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:06:30,473 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:06:30,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:06:30,482 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:06:30,482 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:06:30,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:06:30,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:06:30,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:06:30,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:06:30,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:06:30,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:06:30,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:06:30,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:06:30,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:06:30,489 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:06:30,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:06:30,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:06:30,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:06:30,491 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:06:30,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:06:30,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:06:30,493 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:06:30,495 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:06:30,495 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:06:30,495 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:06:30,496 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:06:30,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:06:30,497 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:06:30,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:06:30,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:06:30,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:06:30,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:06:30,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:06:30,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:06:30,500 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:06:30,501 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:06:30,501 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:06:30,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:06:30,510 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:06:30,510 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:06:30,510 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:06:30,511 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:06:30,511 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:06:30,511 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:06:30,511 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:06:30,512 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:06:30,512 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:06:30,512 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:06:30,512 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:06:30,512 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:06:30,512 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:06:30,512 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:06:30,512 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:06:30,513 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:06:30,513 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:06:30,513 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:06:30,513 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:06:30,513 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:06:30,513 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:06:30,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:06:30,514 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:06:30,514 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:06:30,514 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:06:30,514 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:06:30,514 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:06:30,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:06:30,514 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_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/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 -> d90d90ab0f83213f6e486d9f5a42850d0f82e05d [2018-11-18 17:06:30,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:06:30,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:06:30,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:06:30,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:06:30,551 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:06:30,551 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-18 17:06:30,587 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/data/83ef8ad77/55d6acc0538840608bbd13705edce896/FLAG8ba934368 [2018-11-18 17:06:31,032 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:06:31,033 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-18 17:06:31,041 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/data/83ef8ad77/55d6acc0538840608bbd13705edce896/FLAG8ba934368 [2018-11-18 17:06:31,053 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/data/83ef8ad77/55d6acc0538840608bbd13705edce896 [2018-11-18 17:06:31,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:06:31,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:06:31,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:06:31,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:06:31,060 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:06:31,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31, skipping insertion in model container [2018-11-18 17:06:31,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:06:31,102 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:06:31,334 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:06:31,338 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:06:31,408 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:06:31,480 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:06:31,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31 WrapperNode [2018-11-18 17:06:31,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:06:31,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:06:31,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:06:31,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:06:31,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:06:31,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:06:31,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:06:31,538 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:06:31,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... [2018-11-18 17:06:31,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:06:31,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:06:31,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:06:31,580 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:06:31,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/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 [2018-11-18 17:06:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:06:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:06:31,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:06:33,144 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:06:33,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:33 BoogieIcfgContainer [2018-11-18 17:06:33,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:06:33,145 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:06:33,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:06:33,153 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:06:33,153 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:33" (1/1) ... [2018-11-18 17:06:33,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 17:06:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 17:06:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:06:33,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:33,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-11-18 17:06:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-11-18 17:06:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 17:06:33,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-11-18 17:06:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-11-18 17:06:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 17:06:34,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-11-18 17:06:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-11-18 17:06:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 17:06:34,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-11-18 17:06:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-11-18 17:06:34,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 17:06:34,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:06:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-11-18 17:06:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-11-18 17:06:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 17:06:34,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:06:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-11-18 17:06:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-11-18 17:06:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 17:06:34,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 187 states and 307 transitions. [2018-11-18 17:06:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 307 transitions. [2018-11-18 17:06:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 17:06:35,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 191 states and 312 transitions. [2018-11-18 17:06:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 312 transitions. [2018-11-18 17:06:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 17:06:35,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 207 states and 336 transitions. [2018-11-18 17:06:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 336 transitions. [2018-11-18 17:06:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 17:06:35,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 214 states and 346 transitions. [2018-11-18 17:06:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 346 transitions. [2018-11-18 17:06:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 17:06:36,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 230 states and 372 transitions. [2018-11-18 17:06:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2018-11-18 17:06:36,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 17:06:36,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 231 states and 376 transitions. [2018-11-18 17:06:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 376 transitions. [2018-11-18 17:06:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:06:37,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:06:37,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 242 states and 388 transitions. [2018-11-18 17:06:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 388 transitions. [2018-11-18 17:06:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:06:37,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:06:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 245 states and 392 transitions. [2018-11-18 17:06:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 392 transitions. [2018-11-18 17:06:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:06:37,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 254 states and 404 transitions. [2018-11-18 17:06:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 404 transitions. [2018-11-18 17:06:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 17:06:38,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:38,216 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 17:06:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 266 states and 422 transitions. [2018-11-18 17:06:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 422 transitions. [2018-11-18 17:06:38,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 17:06:38,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 17:06:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 423 transitions. [2018-11-18 17:06:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 423 transitions. [2018-11-18 17:06:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 17:06:38,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 278 states and 439 transitions. [2018-11-18 17:06:39,152 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2018-11-18 17:06:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 17:06:39,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:06:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2018-11-18 17:06:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2018-11-18 17:06:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 17:06:39,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:06:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 294 states and 458 transitions. [2018-11-18 17:06:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2018-11-18 17:06:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 17:06:39,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 322 states and 495 transitions. [2018-11-18 17:06:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2018-11-18 17:06:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 17:06:40,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:06:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 331 states and 503 transitions. [2018-11-18 17:06:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 503 transitions. [2018-11-18 17:06:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 17:06:40,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:40,541 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:06:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:40,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 335 states and 508 transitions. [2018-11-18 17:06:40,669 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 508 transitions. [2018-11-18 17:06:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 17:06:40,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:06:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:40,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 339 states and 511 transitions. [2018-11-18 17:06:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 511 transitions. [2018-11-18 17:06:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 17:06:40,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 344 states and 518 transitions. [2018-11-18 17:06:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 518 transitions. [2018-11-18 17:06:41,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 17:06:41,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:41,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:41,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 359 states and 533 transitions. [2018-11-18 17:06:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 533 transitions. [2018-11-18 17:06:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:06:41,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:06:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 361 states and 535 transitions. [2018-11-18 17:06:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 535 transitions. [2018-11-18 17:06:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:06:41,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:41,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:41,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 367 states and 549 transitions. [2018-11-18 17:06:41,895 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 549 transitions. [2018-11-18 17:06:41,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 17:06:41,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:41,925 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 438 states and 625 transitions. [2018-11-18 17:06:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 625 transitions. [2018-11-18 17:06:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 17:06:42,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 452 states and 645 transitions. [2018-11-18 17:06:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 645 transitions. [2018-11-18 17:06:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:06:43,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 466 states and 666 transitions. [2018-11-18 17:06:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 666 transitions. [2018-11-18 17:06:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:06:43,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 476 states and 678 transitions. [2018-11-18 17:06:44,429 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 678 transitions. [2018-11-18 17:06:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:06:44,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 486 states and 688 transitions. [2018-11-18 17:06:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 688 transitions. [2018-11-18 17:06:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:06:44,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 488 states and 690 transitions. [2018-11-18 17:06:44,771 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 690 transitions. [2018-11-18 17:06:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:06:44,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 489 states and 693 transitions. [2018-11-18 17:06:44,949 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 693 transitions. [2018-11-18 17:06:44,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:06:44,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 490 states and 697 transitions. [2018-11-18 17:06:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 697 transitions. [2018-11-18 17:06:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 17:06:45,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:06:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 505 states and 718 transitions. [2018-11-18 17:06:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 718 transitions. [2018-11-18 17:06:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 17:06:45,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:06:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 528 states and 748 transitions. [2018-11-18 17:06:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 748 transitions. [2018-11-18 17:06:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 17:06:46,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 541 states and 763 transitions. [2018-11-18 17:06:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 763 transitions. [2018-11-18 17:06:46,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 17:06:46,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 544 states and 768 transitions. [2018-11-18 17:06:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 768 transitions. [2018-11-18 17:06:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 17:06:47,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 557 states and 785 transitions. [2018-11-18 17:06:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 785 transitions. [2018-11-18 17:06:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 17:06:47,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:06:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:48,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 560 states and 787 transitions. [2018-11-18 17:06:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 787 transitions. [2018-11-18 17:06:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 17:06:48,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 567 states and 796 transitions. [2018-11-18 17:06:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 796 transitions. [2018-11-18 17:06:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 17:06:48,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 568 states and 796 transitions. [2018-11-18 17:06:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 796 transitions. [2018-11-18 17:06:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 17:06:48,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 585 states and 821 transitions. [2018-11-18 17:06:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 821 transitions. [2018-11-18 17:06:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:06:49,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:06:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 594 states and 831 transitions. [2018-11-18 17:06:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 831 transitions. [2018-11-18 17:06:49,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:06:49,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:06:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 595 states and 832 transitions. [2018-11-18 17:06:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 832 transitions. [2018-11-18 17:06:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:06:49,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:06:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 597 states and 833 transitions. [2018-11-18 17:06:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 833 transitions. [2018-11-18 17:06:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:06:50,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:06:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 599 states and 834 transitions. [2018-11-18 17:06:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 834 transitions. [2018-11-18 17:06:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:06:50,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:06:50,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 600 states and 836 transitions. [2018-11-18 17:06:50,185 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 836 transitions. [2018-11-18 17:06:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:06:50,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 607 states and 844 transitions. [2018-11-18 17:06:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 844 transitions. [2018-11-18 17:06:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 17:06:50,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:06:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 609 states and 847 transitions. [2018-11-18 17:06:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 847 transitions. [2018-11-18 17:06:50,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 17:06:50,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:50,549 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 17:06:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 621 states and 862 transitions. [2018-11-18 17:06:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 862 transitions. [2018-11-18 17:06:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 17:06:51,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 666 states and 909 transitions. [2018-11-18 17:06:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 909 transitions. [2018-11-18 17:06:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 17:06:52,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 680 states and 931 transitions. [2018-11-18 17:06:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 931 transitions. [2018-11-18 17:06:53,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 17:06:53,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 17:06:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:53,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 686 states and 942 transitions. [2018-11-18 17:06:53,954 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 942 transitions. [2018-11-18 17:06:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:06:53,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:55,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 726 states and 998 transitions. [2018-11-18 17:06:55,697 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 998 transitions. [2018-11-18 17:06:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:06:55,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 750 states and 1023 transitions. [2018-11-18 17:06:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1023 transitions. [2018-11-18 17:06:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:06:56,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 767 states and 1040 transitions. [2018-11-18 17:06:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1040 transitions. [2018-11-18 17:06:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:06:57,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 786 states and 1060 transitions. [2018-11-18 17:06:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1060 transitions. [2018-11-18 17:06:58,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:06:58,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:58,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 787 states and 1060 transitions. [2018-11-18 17:06:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1060 transitions. [2018-11-18 17:06:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:06:58,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:58,423 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:06:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 812 states and 1090 transitions. [2018-11-18 17:06:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1090 transitions. [2018-11-18 17:06:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:06:59,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:00,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 820 states and 1097 transitions. [2018-11-18 17:07:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1097 transitions. [2018-11-18 17:07:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:07:00,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 825 states and 1105 transitions. [2018-11-18 17:07:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1105 transitions. [2018-11-18 17:07:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:07:00,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 100 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:07:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 838 states and 1119 transitions. [2018-11-18 17:07:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1119 transitions. [2018-11-18 17:07:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:07:01,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 847 states and 1132 transitions. [2018-11-18 17:07:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1132 transitions. [2018-11-18 17:07:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:07:01,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 851 states and 1135 transitions. [2018-11-18 17:07:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1135 transitions. [2018-11-18 17:07:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:07:01,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:04,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:04,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 900 states and 1206 transitions. [2018-11-18 17:07:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1206 transitions. [2018-11-18 17:07:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:07:04,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 920 states and 1234 transitions. [2018-11-18 17:07:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1234 transitions. [2018-11-18 17:07:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:07:05,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 928 states and 1245 transitions. [2018-11-18 17:07:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1245 transitions. [2018-11-18 17:07:05,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:07:05,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 938 states and 1254 transitions. [2018-11-18 17:07:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1254 transitions. [2018-11-18 17:07:06,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:07:06,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 949 states and 1264 transitions. [2018-11-18 17:07:06,870 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1264 transitions. [2018-11-18 17:07:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:07:06,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 959 states and 1273 transitions. [2018-11-18 17:07:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1273 transitions. [2018-11-18 17:07:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 17:07:07,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:07:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 970 states and 1287 transitions. [2018-11-18 17:07:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1287 transitions. [2018-11-18 17:07:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 17:07:08,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:07:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 977 states and 1294 transitions. [2018-11-18 17:07:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1294 transitions. [2018-11-18 17:07:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 17:07:08,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:07:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 994 states and 1317 transitions. [2018-11-18 17:07:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1317 transitions. [2018-11-18 17:07:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:07:10,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 17:07:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1008 states and 1332 transitions. [2018-11-18 17:07:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1332 transitions. [2018-11-18 17:07:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:07:11,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:12,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1031 states and 1360 transitions. [2018-11-18 17:07:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1360 transitions. [2018-11-18 17:07:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:07:12,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1034 states and 1362 transitions. [2018-11-18 17:07:12,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1362 transitions. [2018-11-18 17:07:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:07:12,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1047 states and 1374 transitions. [2018-11-18 17:07:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1374 transitions. [2018-11-18 17:07:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 17:07:13,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 17:07:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1064 states and 1391 transitions. [2018-11-18 17:07:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1391 transitions. [2018-11-18 17:07:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 17:07:13,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 17:07:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1071 states and 1401 transitions. [2018-11-18 17:07:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1401 transitions. [2018-11-18 17:07:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 17:07:14,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 17:07:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1074 states and 1404 transitions. [2018-11-18 17:07:14,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1404 transitions. [2018-11-18 17:07:14,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 17:07:14,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1093 states and 1425 transitions. [2018-11-18 17:07:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1425 transitions. [2018-11-18 17:07:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:07:14,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:07:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1101 states and 1437 transitions. [2018-11-18 17:07:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1437 transitions. [2018-11-18 17:07:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:07:14,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:07:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1106 states and 1442 transitions. [2018-11-18 17:07:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1442 transitions. [2018-11-18 17:07:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:07:14,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:07:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1111 states and 1449 transitions. [2018-11-18 17:07:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1449 transitions. [2018-11-18 17:07:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 17:07:15,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 17:07:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1120 states and 1461 transitions. [2018-11-18 17:07:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1461 transitions. [2018-11-18 17:07:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 17:07:15,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:07:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1124 states and 1464 transitions. [2018-11-18 17:07:15,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1464 transitions. [2018-11-18 17:07:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 17:07:15,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 17:07:16,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1135 states and 1475 transitions. [2018-11-18 17:07:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1475 transitions. [2018-11-18 17:07:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:07:16,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1154 states and 1496 transitions. [2018-11-18 17:07:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1496 transitions. [2018-11-18 17:07:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:07:16,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1159 states and 1502 transitions. [2018-11-18 17:07:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1502 transitions. [2018-11-18 17:07:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:07:16,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:07:17,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1163 states and 1506 transitions. [2018-11-18 17:07:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1506 transitions. [2018-11-18 17:07:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:07:17,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 17:07:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1183 states and 1531 transitions. [2018-11-18 17:07:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1531 transitions. [2018-11-18 17:07:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:07:17,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:07:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1196 states and 1550 transitions. [2018-11-18 17:07:18,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1550 transitions. [2018-11-18 17:07:18,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:07:18,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:07:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1203 states and 1561 transitions. [2018-11-18 17:07:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1561 transitions. [2018-11-18 17:07:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:07:18,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:18,797 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 17:07:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1207 states and 1565 transitions. [2018-11-18 17:07:18,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1565 transitions. [2018-11-18 17:07:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:07:18,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1218 states and 1581 transitions. [2018-11-18 17:07:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1581 transitions. [2018-11-18 17:07:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:07:19,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1221 states and 1584 transitions. [2018-11-18 17:07:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1584 transitions. [2018-11-18 17:07:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 17:07:19,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 17:07:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1223 states and 1586 transitions. [2018-11-18 17:07:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1586 transitions. [2018-11-18 17:07:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:07:19,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:07:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1230 states and 1595 transitions. [2018-11-18 17:07:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1595 transitions. [2018-11-18 17:07:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:07:19,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:07:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:20,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1243 states and 1607 transitions. [2018-11-18 17:07:20,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1607 transitions. [2018-11-18 17:07:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:07:20,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:07:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1248 states and 1612 transitions. [2018-11-18 17:07:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1612 transitions. [2018-11-18 17:07:20,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:07:20,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:07:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1253 states and 1619 transitions. [2018-11-18 17:07:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1619 transitions. [2018-11-18 17:07:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 17:07:21,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:21,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1258 states and 1624 transitions. [2018-11-18 17:07:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1624 transitions. [2018-11-18 17:07:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 17:07:21,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1292 states and 1663 transitions. [2018-11-18 17:07:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1663 transitions. [2018-11-18 17:07:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 17:07:23,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 17:07:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1327 states and 1705 transitions. [2018-11-18 17:07:24,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1705 transitions. [2018-11-18 17:07:24,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 17:07:24,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 17:07:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1345 states and 1725 transitions. [2018-11-18 17:07:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1725 transitions. [2018-11-18 17:07:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 17:07:26,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:07:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1398 states and 1780 transitions. [2018-11-18 17:07:30,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1780 transitions. [2018-11-18 17:07:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 17:07:30,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:07:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1440 states and 1834 transitions. [2018-11-18 17:07:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1834 transitions. [2018-11-18 17:07:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 17:07:32,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:07:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1447 states and 1840 transitions. [2018-11-18 17:07:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1840 transitions. [2018-11-18 17:07:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 17:07:32,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:32,615 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:07:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1449 states and 1841 transitions. [2018-11-18 17:07:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1841 transitions. [2018-11-18 17:07:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 17:07:32,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 17:07:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1454 states and 1848 transitions. [2018-11-18 17:07:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1848 transitions. [2018-11-18 17:07:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 17:07:33,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 17:07:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1461 states and 1857 transitions. [2018-11-18 17:07:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1857 transitions. [2018-11-18 17:07:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 17:07:33,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:07:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:36,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1487 states and 1899 transitions. [2018-11-18 17:07:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1899 transitions. [2018-11-18 17:07:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 17:07:36,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:07:36,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1494 states and 1908 transitions. [2018-11-18 17:07:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1908 transitions. [2018-11-18 17:07:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 17:07:36,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:07:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1496 states and 1913 transitions. [2018-11-18 17:07:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1913 transitions. [2018-11-18 17:07:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:07:37,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:07:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1557 states and 1978 transitions. [2018-11-18 17:07:39,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1978 transitions. [2018-11-18 17:07:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:07:39,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:39,223 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:07:39,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1584 states and 2005 transitions. [2018-11-18 17:07:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2005 transitions. [2018-11-18 17:07:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:07:39,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:07:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1593 states and 2014 transitions. [2018-11-18 17:07:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2014 transitions. [2018-11-18 17:07:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 17:07:40,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:07:40,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1603 states and 2027 transitions. [2018-11-18 17:07:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2027 transitions. [2018-11-18 17:07:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 17:07:40,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 17:07:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1618 states and 2041 transitions. [2018-11-18 17:07:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2041 transitions. [2018-11-18 17:07:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 17:07:41,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 17:07:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1622 states and 2044 transitions. [2018-11-18 17:07:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2044 transitions. [2018-11-18 17:07:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 17:07:41,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:07:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1672 states and 2093 transitions. [2018-11-18 17:07:42,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2093 transitions. [2018-11-18 17:07:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 17:07:42,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:07:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1674 states and 2094 transitions. [2018-11-18 17:07:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2094 transitions. [2018-11-18 17:07:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 17:07:42,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-18 17:07:42,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1680 states and 2099 transitions. [2018-11-18 17:07:42,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2099 transitions. [2018-11-18 17:07:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:07:42,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1727 states and 2159 transitions. [2018-11-18 17:07:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2159 transitions. [2018-11-18 17:07:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:07:46,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1728 states and 2160 transitions. [2018-11-18 17:07:46,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2160 transitions. [2018-11-18 17:07:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:07:46,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:47,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1729 states and 2161 transitions. [2018-11-18 17:07:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2161 transitions. [2018-11-18 17:07:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:07:47,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1764 states and 2201 transitions. [2018-11-18 17:07:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2201 transitions. [2018-11-18 17:07:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:07:48,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1766 states and 2205 transitions. [2018-11-18 17:07:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2205 transitions. [2018-11-18 17:07:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 17:07:49,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 17:07:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1771 states and 2211 transitions. [2018-11-18 17:07:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2211 transitions. [2018-11-18 17:07:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 17:07:49,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 17:07:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1775 states and 2214 transitions. [2018-11-18 17:07:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2214 transitions. [2018-11-18 17:07:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 17:07:50,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 17:07:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1776 states and 2214 transitions. [2018-11-18 17:07:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2214 transitions. [2018-11-18 17:07:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 17:07:50,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:50,775 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:07:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1787 states and 2225 transitions. [2018-11-18 17:07:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2225 transitions. [2018-11-18 17:07:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 17:07:51,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 230 proven. 10 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 17:07:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1813 states and 2256 transitions. [2018-11-18 17:07:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2256 transitions. [2018-11-18 17:07:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 17:07:54,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 230 proven. 10 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 17:07:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1816 states and 2258 transitions. [2018-11-18 17:07:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2258 transitions. [2018-11-18 17:07:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 17:07:55,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:55,489 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-18 17:07:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1817 states and 2259 transitions. [2018-11-18 17:07:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2259 transitions. [2018-11-18 17:07:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 17:07:55,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-18 17:07:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1819 states and 2261 transitions. [2018-11-18 17:07:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2261 transitions. [2018-11-18 17:07:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 17:07:56,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 17:07:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 1830 states and 2271 transitions. [2018-11-18 17:07:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2271 transitions. [2018-11-18 17:07:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 17:07:56,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:56,656 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 17:07:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 1855 states and 2303 transitions. [2018-11-18 17:07:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2303 transitions. [2018-11-18 17:07:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 17:07:58,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 17:07:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 1859 states and 2311 transitions. [2018-11-18 17:07:59,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2311 transitions. [2018-11-18 17:07:59,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 17:07:59,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:59,121 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 17:07:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:07:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1872 states and 2323 transitions. [2018-11-18 17:07:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2323 transitions. [2018-11-18 17:07:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:07:59,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:07:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:08:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 1950 states and 2417 transitions. [2018-11-18 17:08:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2417 transitions. [2018-11-18 17:08:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:08:03,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:03,464 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:08:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 1977 states and 2443 transitions. [2018-11-18 17:08:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2443 transitions. [2018-11-18 17:08:04,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:08:04,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:08:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 1979 states and 2444 transitions. [2018-11-18 17:08:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2444 transitions. [2018-11-18 17:08:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:08:05,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 17:08:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 1990 states and 2457 transitions. [2018-11-18 17:08:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2457 transitions. [2018-11-18 17:08:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:08:06,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 17:08:06,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 1992 states and 2458 transitions. [2018-11-18 17:08:06,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2458 transitions. [2018-11-18 17:08:06,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 17:08:06,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:08:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:14,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2062 states and 2532 transitions. [2018-11-18 17:08:14,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2532 transitions. [2018-11-18 17:08:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 17:08:14,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:08:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2083 states and 2552 transitions. [2018-11-18 17:08:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2552 transitions. [2018-11-18 17:08:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 17:08:15,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 17:08:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2088 states and 2558 transitions. [2018-11-18 17:08:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2558 transitions. [2018-11-18 17:08:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:08:15,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 17:08:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2110 states and 2579 transitions. [2018-11-18 17:08:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2579 transitions. [2018-11-18 17:08:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:08:16,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:08:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2130 states and 2606 transitions. [2018-11-18 17:08:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2606 transitions. [2018-11-18 17:08:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:08:18,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:08:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2132 states and 2606 transitions. [2018-11-18 17:08:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2606 transitions. [2018-11-18 17:08:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:08:19,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:08:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2138 states and 2611 transitions. [2018-11-18 17:08:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2611 transitions. [2018-11-18 17:08:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:08:19,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:08:19,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2139 states and 2611 transitions. [2018-11-18 17:08:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2611 transitions. [2018-11-18 17:08:19,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 17:08:19,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 5 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-18 17:08:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2215 states and 2691 transitions. [2018-11-18 17:08:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2691 transitions. [2018-11-18 17:08:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 17:08:21,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:21,252 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 17:08:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2216 states and 2691 transitions. [2018-11-18 17:08:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2691 transitions. [2018-11-18 17:08:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 17:08:21,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 17:08:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:25,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2236 states and 2721 transitions. [2018-11-18 17:08:25,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2721 transitions. [2018-11-18 17:08:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 17:08:25,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-18 17:08:25,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2237 states and 2721 transitions. [2018-11-18 17:08:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2721 transitions. [2018-11-18 17:08:25,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 17:08:25,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-18 17:08:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2241 states and 2726 transitions. [2018-11-18 17:08:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2726 transitions. [2018-11-18 17:08:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 17:08:27,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 409 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 17:08:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2261 states and 2752 transitions. [2018-11-18 17:08:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2752 transitions. [2018-11-18 17:08:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-18 17:08:29,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-18 17:08:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2274 states and 2766 transitions. [2018-11-18 17:08:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2766 transitions. [2018-11-18 17:08:30,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-18 17:08:30,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-18 17:08:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2282 states and 2773 transitions. [2018-11-18 17:08:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 2773 transitions. [2018-11-18 17:08:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 17:08:30,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-18 17:08:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2283 states and 2773 transitions. [2018-11-18 17:08:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2773 transitions. [2018-11-18 17:08:30,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-18 17:08:30,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 17:08:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2288 states and 2783 transitions. [2018-11-18 17:08:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2783 transitions. [2018-11-18 17:08:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-18 17:08:31,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:31,293 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-11-18 17:08:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2290 states and 2784 transitions. [2018-11-18 17:08:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2784 transitions. [2018-11-18 17:08:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-18 17:08:31,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-18 17:08:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2305 states and 2798 transitions. [2018-11-18 17:08:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2798 transitions. [2018-11-18 17:08:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-18 17:08:32,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 584 proven. 6 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-11-18 17:08:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2361 states and 2861 transitions. [2018-11-18 17:08:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2861 transitions. [2018-11-18 17:08:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 17:08:38,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 17:08:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2362 states and 2862 transitions. [2018-11-18 17:08:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2862 transitions. [2018-11-18 17:08:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 17:08:38,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 17:08:39,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2365 states and 2865 transitions. [2018-11-18 17:08:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2865 transitions. [2018-11-18 17:08:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 17:08:39,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-18 17:08:40,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2376 states and 2877 transitions. [2018-11-18 17:08:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2877 transitions. [2018-11-18 17:08:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 17:08:40,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-18 17:08:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2377 states and 2877 transitions. [2018-11-18 17:08:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2877 transitions. [2018-11-18 17:08:41,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 17:08:41,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-18 17:08:42,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2388 states and 2887 transitions. [2018-11-18 17:08:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2887 transitions. [2018-11-18 17:08:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 17:08:42,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 17:08:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2450 states and 2964 transitions. [2018-11-18 17:08:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2964 transitions. [2018-11-18 17:08:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 17:08:47,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 17:08:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2473 states and 2985 transitions. [2018-11-18 17:08:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 2985 transitions. [2018-11-18 17:08:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 17:08:48,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 17:08:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2481 states and 2997 transitions. [2018-11-18 17:08:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 2997 transitions. [2018-11-18 17:08:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 17:08:49,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 17:08:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2491 states and 3008 transitions. [2018-11-18 17:08:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3008 transitions. [2018-11-18 17:08:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-11-18 17:08:51,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-11-18 17:08:51,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 2497 states and 3013 transitions. [2018-11-18 17:08:51,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3013 transitions. [2018-11-18 17:08:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-18 17:08:51,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 17:08:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 2536 states and 3069 transitions. [2018-11-18 17:08:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 3069 transitions. [2018-11-18 17:08:54,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-18 17:08:54,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 17:08:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 2548 states and 3084 transitions. [2018-11-18 17:08:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3084 transitions. [2018-11-18 17:08:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-18 17:08:55,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 17:08:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 2558 states and 3097 transitions. [2018-11-18 17:08:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3097 transitions. [2018-11-18 17:08:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-18 17:08:56,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:56,975 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 17:08:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 2559 states and 3099 transitions. [2018-11-18 17:08:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3099 transitions. [2018-11-18 17:08:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-11-18 17:08:57,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-11-18 17:08:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:08:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 2600 states and 3140 transitions. [2018-11-18 17:08:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3140 transitions. [2018-11-18 17:08:59,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-11-18 17:08:59,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:08:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-18 17:09:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:09:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 2617 states and 3158 transitions. [2018-11-18 17:09:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3158 transitions. [2018-11-18 17:09:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-11-18 17:09:01,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:09:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-18 17:09:01,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:09:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 2621 states and 3162 transitions. [2018-11-18 17:09:01,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3162 transitions. [2018-11-18 17:09:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 17:09:01,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:09:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:02,661 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 484 proven. 42 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 17:09:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:09:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2677 states and 3227 transitions. [2018-11-18 17:09:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3227 transitions. [2018-11-18 17:09:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 17:09:06,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:09:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 484 proven. 42 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 17:09:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:09:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 2697 states and 3247 transitions. [2018-11-18 17:09:08,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 3247 transitions. [2018-11-18 17:09:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-18 17:09:08,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:09:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 17:09:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:09:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 2698 states and 3247 transitions. [2018-11-18 17:09:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3247 transitions. [2018-11-18 17:09:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-18 17:09:09,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:09:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 608 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 17:09:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:09:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 2677 states and 3247 transitions. [2018-11-18 17:09:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3247 transitions. [2018-11-18 17:09:24,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:09:24,670 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 191 iterations. [2018-11-18 17:09:24,676 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:09:24,784 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2018-11-18 17:09:25,012 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2018-11-18 17:09:25,209 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 34 [2018-11-18 17:09:25,333 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-18 17:09:25,459 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 24 [2018-11-18 17:09:25,611 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2018-11-18 17:09:25,772 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2018-11-18 17:09:25,930 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 24 [2018-11-18 17:09:26,046 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-11-18 17:09:26,195 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 17:09:26,372 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 36 [2018-11-18 17:09:26,525 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 36 [2018-11-18 17:09:26,678 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 31 [2018-11-18 17:09:26,880 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-11-18 17:09:27,068 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 34 [2018-11-18 17:09:27,175 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-18 17:09:27,308 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2018-11-18 17:09:27,759 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 24 [2018-11-18 17:09:28,001 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-18 17:09:28,177 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 17:09:28,386 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-11-18 17:09:28,525 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2018-11-18 17:09:28,632 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-18 17:09:28,839 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 24 [2018-11-18 17:09:28,955 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-11-18 17:09:29,486 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2018-11-18 17:09:29,640 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 36 [2018-11-18 17:09:30,011 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 34 [2018-11-18 17:09:30,149 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 34 [2018-11-18 17:09:30,261 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 34 [2018-11-18 17:09:30,525 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 36 [2018-11-18 17:09:30,526 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:09:30,528 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 17:09:30,533 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 17:09:30,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:09:30 ImpRootNode [2018-11-18 17:09:30,534 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:09:30,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:09:30,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:09:30,537 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:09:30,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:33" (3/4) ... [2018-11-18 17:09:30,540 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:09:30,554 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 17:09:30,555 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 17:09:30,556 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 17:09:30,556 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 17:09:30,633 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5d6a9182-95dc-4778-8cc1-ade92c6ea3af/bin-2019/ukojak/witness.graphml [2018-11-18 17:09:30,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:09:30,633 INFO L168 Benchmark]: Toolchain (without parser) took 179577.55 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.5 GB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -61.1 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-18 17:09:30,634 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:09:30,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -215.5 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:09:30,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:09:30,635 INFO L168 Benchmark]: Boogie Preprocessor took 41.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:09:30,635 INFO L168 Benchmark]: RCFGBuilder took 1565.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 926.6 MB in the end (delta: 228.6 MB). Peak memory consumption was 228.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:09:30,635 INFO L168 Benchmark]: CodeCheck took 177388.70 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.3 GB). Free memory was 926.6 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-11-18 17:09:30,635 INFO L168 Benchmark]: Witness Printer took 98.28 ms. Allocated memory is still 4.6 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.2 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:09:30,637 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, 199 locations, 1 error locations. SAFE Result, 171.4s OverallTime, 191 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1157765360 SDtfs, 390949928 SDslu, 672190396 SDs, 0 SdLazy, 716369410 SolverSat, -156001354 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 618.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234599 GetRequests, 229887 SyntacticMatches, 2860 SemanticMatches, 1852 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2424997 ImplicationChecksByTransitivity, 150.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 35034 NumberOfCodeBlocks, 35034 NumberOfCodeBlocksAsserted, 190 NumberOfCheckSat, 34844 ConstructedInterpolants, 0 QuantifiedInterpolants, 23035384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 190 InterpolantComputations, 157 PerfectInterpolantSequences, 40996/42412 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: 506]: 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: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a17 <= 0) && a12 == 8) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a17 <= 0) && a12 == 8) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 423.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -215.5 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1565.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 926.6 MB in the end (delta: 228.6 MB). Peak memory consumption was 228.6 MB. Max. memory is 11.5 GB. * CodeCheck took 177388.70 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.3 GB). Free memory was 926.6 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. * Witness Printer took 98.28 ms. Allocated memory is still 4.6 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.2 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...