./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/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 05d2a3ff1add36607a16806c355c4adc86a8978e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:07:24,342 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:07:24,343 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:07:24,349 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:07:24,349 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:07:24,350 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:07:24,351 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:07:24,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:07:24,352 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:07:24,352 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:07:24,353 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:07:24,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:07:24,354 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:07:24,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:07:24,354 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:07:24,355 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:07:24,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:07:24,356 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:07:24,357 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:07:24,358 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:07:24,358 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:07:24,359 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:07:24,360 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:07:24,360 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:07:24,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:07:24,360 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:07:24,361 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:07:24,361 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:07:24,362 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:07:24,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:07:24,362 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:07:24,363 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:07:24,363 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:07:24,363 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:07:24,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:07:24,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:07:24,364 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 19:07:24,371 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:07:24,371 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:07:24,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:07:24,371 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 19:07:24,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:07:24,372 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:07:24,372 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:07:24,372 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:07:24,372 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:07:24,372 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:07:24,372 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:07:24,372 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:07:24,373 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 19:07:24,373 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:07:24,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:07:24,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:07:24,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:07:24,374 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:07:24,374 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 19:07:24,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:07:24,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:07:24,374 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_38de70d8-f2bf-4cbc-b09d-00cc80513969/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 -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2018-12-09 19:07:24,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:07:24,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:07:24,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:07:24,404 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:07:24,404 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:07:24,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-12-09 19:07:24,443 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/data/4595757df/fee4d94268da461da2aabb4b75a4c968/FLAGd281a5b57 [2018-12-09 19:07:24,894 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:07:24,894 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-12-09 19:07:24,903 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/data/4595757df/fee4d94268da461da2aabb4b75a4c968/FLAGd281a5b57 [2018-12-09 19:07:24,914 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/data/4595757df/fee4d94268da461da2aabb4b75a4c968 [2018-12-09 19:07:24,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:07:24,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:07:24,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:07:24,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:07:24,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:07:24,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:07:24" (1/1) ... [2018-12-09 19:07:24,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:24, skipping insertion in model container [2018-12-09 19:07:24,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:07:24" (1/1) ... [2018-12-09 19:07:24,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:07:24,958 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:07:25,147 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:07:25,151 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:07:25,252 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:07:25,261 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:07:25,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25 WrapperNode [2018-12-09 19:07:25,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:07:25,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:07:25,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:07:25,262 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:07:25,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:07:25,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:07:25,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:07:25,304 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:07:25,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... [2018-12-09 19:07:25,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:07:25,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:07:25,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:07:25,332 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:07:25,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:07:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:07:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:07:26,352 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:07:26,353 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 19:07:26,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:26 BoogieIcfgContainer [2018-12-09 19:07:26,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:07:26,354 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:07:26,354 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:07:26,361 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:07:26,361 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:26" (1/1) ... [2018-12-09 19:07:26,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:07:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 19:07:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 19:07:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:07:26,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:26,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:26,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-09 19:07:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-09 19:07:26,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 19:07:26,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:07:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-09 19:07:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-09 19:07:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 19:07:27,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-09 19:07:27,106 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-09 19:07:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 19:07:27,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 221 states and 303 transitions. [2018-12-09 19:07:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2018-12-09 19:07:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 19:07:27,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 228 states and 314 transitions. [2018-12-09 19:07:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2018-12-09 19:07:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:07:27,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 236 states and 330 transitions. [2018-12-09 19:07:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2018-12-09 19:07:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:07:28,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 239 states and 333 transitions. [2018-12-09 19:07:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 333 transitions. [2018-12-09 19:07:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 19:07:28,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 241 states and 335 transitions. [2018-12-09 19:07:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2018-12-09 19:07:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:07:28,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2018-12-09 19:07:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2018-12-09 19:07:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 19:07:28,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:07:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 254 states and 350 transitions. [2018-12-09 19:07:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 350 transitions. [2018-12-09 19:07:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:07:28,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:07:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 255 states and 352 transitions. [2018-12-09 19:07:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 352 transitions. [2018-12-09 19:07:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:07:28,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:07:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 260 states and 357 transitions. [2018-12-09 19:07:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 357 transitions. [2018-12-09 19:07:28,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:07:28,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 263 states and 361 transitions. [2018-12-09 19:07:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 361 transitions. [2018-12-09 19:07:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 19:07:28,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,777 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:07:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 268 states and 366 transitions. [2018-12-09 19:07:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 366 transitions. [2018-12-09 19:07:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 19:07:28,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 269 states and 367 transitions. [2018-12-09 19:07:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2018-12-09 19:07:28,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 19:07:28,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 283 states and 389 transitions. [2018-12-09 19:07:29,364 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2018-12-09 19:07:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 19:07:29,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:30,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:30,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 305 states and 420 transitions. [2018-12-09 19:07:30,237 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2018-12-09 19:07:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 19:07:30,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 425 transitions. [2018-12-09 19:07:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 425 transitions. [2018-12-09 19:07:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:07:30,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:07:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 311 states and 427 transitions. [2018-12-09 19:07:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2018-12-09 19:07:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:07:30,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:07:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:30,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-12-09 19:07:30,702 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-12-09 19:07:30,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 19:07:30,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:07:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 324 states and 441 transitions. [2018-12-09 19:07:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 441 transitions. [2018-12-09 19:07:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 19:07:31,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:07:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 327 states and 444 transitions. [2018-12-09 19:07:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 444 transitions. [2018-12-09 19:07:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 19:07:31,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:07:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 329 states and 446 transitions. [2018-12-09 19:07:31,192 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 446 transitions. [2018-12-09 19:07:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:07:31,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:07:31,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 340 states and 459 transitions. [2018-12-09 19:07:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 459 transitions. [2018-12-09 19:07:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:07:31,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 365 states and 490 transitions. [2018-12-09 19:07:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 490 transitions. [2018-12-09 19:07:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 19:07:31,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 380 states and 509 transitions. [2018-12-09 19:07:32,306 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 509 transitions. [2018-12-09 19:07:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 19:07:32,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2018-12-09 19:07:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2018-12-09 19:07:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 19:07:33,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 558 transitions. [2018-12-09 19:07:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 558 transitions. [2018-12-09 19:07:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 19:07:34,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-09 19:07:34,613 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-09 19:07:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:07:34,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:07:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2018-12-09 19:07:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2018-12-09 19:07:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:07:34,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:07:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 447 states and 591 transitions. [2018-12-09 19:07:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 591 transitions. [2018-12-09 19:07:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:07:35,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:07:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 453 states and 599 transitions. [2018-12-09 19:07:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 599 transitions. [2018-12-09 19:07:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 19:07:35,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:07:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:35,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 454 states and 600 transitions. [2018-12-09 19:07:35,539 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 600 transitions. [2018-12-09 19:07:35,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 19:07:35,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:07:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 460 states and 609 transitions. [2018-12-09 19:07:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2018-12-09 19:07:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 19:07:36,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:07:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-12-09 19:07:36,279 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-12-09 19:07:36,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 19:07:36,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 500 states and 655 transitions. [2018-12-09 19:07:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 655 transitions. [2018-12-09 19:07:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 19:07:37,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:07:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:37,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 510 states and 667 transitions. [2018-12-09 19:07:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 667 transitions. [2018-12-09 19:07:37,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 19:07:37,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:07:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 519 states and 684 transitions. [2018-12-09 19:07:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 684 transitions. [2018-12-09 19:07:38,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 19:07:38,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 567 states and 740 transitions. [2018-12-09 19:07:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 740 transitions. [2018-12-09 19:07:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 19:07:40,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:40,333 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:42,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 612 states and 791 transitions. [2018-12-09 19:07:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 791 transitions. [2018-12-09 19:07:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 19:07:42,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 643 states and 823 transitions. [2018-12-09 19:07:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 823 transitions. [2018-12-09 19:07:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 19:07:44,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 648 states and 831 transitions. [2018-12-09 19:07:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 831 transitions. [2018-12-09 19:07:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 19:07:44,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:07:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 657 states and 849 transitions. [2018-12-09 19:07:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 849 transitions. [2018-12-09 19:07:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 19:07:45,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:07:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 658 states and 850 transitions. [2018-12-09 19:07:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 850 transitions. [2018-12-09 19:07:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 19:07:45,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:07:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 707 states and 905 transitions. [2018-12-09 19:07:46,030 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 905 transitions. [2018-12-09 19:07:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 19:07:46,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:07:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 757 states and 960 transitions. [2018-12-09 19:07:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 960 transitions. [2018-12-09 19:07:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 19:07:50,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:07:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 787 states and 999 transitions. [2018-12-09 19:07:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 999 transitions. [2018-12-09 19:07:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 19:07:52,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:07:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 852 states and 1069 transitions. [2018-12-09 19:07:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1069 transitions. [2018-12-09 19:07:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 19:07:57,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:07:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 869 states and 1087 transitions. [2018-12-09 19:07:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1087 transitions. [2018-12-09 19:07:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 19:07:57,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:59,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 892 states and 1124 transitions. [2018-12-09 19:07:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1124 transitions. [2018-12-09 19:07:59,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 19:07:59,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 895 states and 1127 transitions. [2018-12-09 19:07:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1127 transitions. [2018-12-09 19:07:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 19:07:59,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 19:07:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 899 states and 1130 transitions. [2018-12-09 19:07:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1130 transitions. [2018-12-09 19:07:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 19:07:59,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:00,019 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:08:00,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 901 states and 1132 transitions. [2018-12-09 19:08:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1132 transitions. [2018-12-09 19:08:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 19:08:00,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:03,137 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-12-09 19:08:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 931 states and 1172 transitions. [2018-12-09 19:08:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1172 transitions. [2018-12-09 19:08:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 19:08:05,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:05,272 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 933 states and 1178 transitions. [2018-12-09 19:08:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1178 transitions. [2018-12-09 19:08:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 19:08:05,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 938 states and 1183 transitions. [2018-12-09 19:08:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1183 transitions. [2018-12-09 19:08:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 19:08:06,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:08:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1007 states and 1253 transitions. [2018-12-09 19:08:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1253 transitions. [2018-12-09 19:08:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 19:08:08,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 19:08:10,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1019 states and 1273 transitions. [2018-12-09 19:08:10,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1273 transitions. [2018-12-09 19:08:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:08:10,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1077 states and 1343 transitions. [2018-12-09 19:08:13,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1343 transitions. [2018-12-09 19:08:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:08:13,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1088 states and 1353 transitions. [2018-12-09 19:08:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1353 transitions. [2018-12-09 19:08:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 19:08:14,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:08:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1090 states and 1355 transitions. [2018-12-09 19:08:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1355 transitions. [2018-12-09 19:08:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 19:08:14,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1130 states and 1404 transitions. [2018-12-09 19:08:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1404 transitions. [2018-12-09 19:08:19,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 19:08:19,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1131 states and 1404 transitions. [2018-12-09 19:08:20,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1404 transitions. [2018-12-09 19:08:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 19:08:20,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1148 states and 1432 transitions. [2018-12-09 19:08:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1432 transitions. [2018-12-09 19:08:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 19:08:26,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:08:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1150 states and 1434 transitions. [2018-12-09 19:08:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1434 transitions. [2018-12-09 19:08:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 19:08:26,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 19:08:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1190 states and 1475 transitions. [2018-12-09 19:08:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1475 transitions. [2018-12-09 19:08:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 19:08:29,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 19:08:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1192 states and 1478 transitions. [2018-12-09 19:08:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1478 transitions. [2018-12-09 19:08:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 19:08:29,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 19:08:29,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:29,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1195 states and 1481 transitions. [2018-12-09 19:08:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1481 transitions. [2018-12-09 19:08:29,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 19:08:29,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 19:08:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1200 states and 1488 transitions. [2018-12-09 19:08:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1488 transitions. [2018-12-09 19:08:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 19:08:30,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1205 states and 1493 transitions. [2018-12-09 19:08:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1493 transitions. [2018-12-09 19:08:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 19:08:30,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1217 states and 1509 transitions. [2018-12-09 19:08:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1509 transitions. [2018-12-09 19:08:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 19:08:32,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:35,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1233 states and 1524 transitions. [2018-12-09 19:08:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1524 transitions. [2018-12-09 19:08:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 19:08:35,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:35,689 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1250 states and 1540 transitions. [2018-12-09 19:08:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1540 transitions. [2018-12-09 19:08:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 19:08:38,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 19:08:39,696 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-09 19:08:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1288 states and 1582 transitions. [2018-12-09 19:08:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1582 transitions. [2018-12-09 19:08:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 19:08:40,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 19:08:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1290 states and 1585 transitions. [2018-12-09 19:08:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1585 transitions. [2018-12-09 19:08:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 19:08:41,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 19:08:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1357 states and 1654 transitions. [2018-12-09 19:08:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1654 transitions. [2018-12-09 19:08:41,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 19:08:41,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 19:08:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1370 states and 1670 transitions. [2018-12-09 19:08:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1670 transitions. [2018-12-09 19:08:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 19:08:42,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:44,611 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:08:49,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1418 states and 1722 transitions. [2018-12-09 19:08:49,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1722 transitions. [2018-12-09 19:08:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 19:08:49,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:08:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1420 states and 1724 transitions. [2018-12-09 19:08:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1724 transitions. [2018-12-09 19:08:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 19:08:50,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 19:08:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1436 states and 1746 transitions. [2018-12-09 19:08:51,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1746 transitions. [2018-12-09 19:08:51,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 19:08:51,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 19:08:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1465 states and 1787 transitions. [2018-12-09 19:08:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1787 transitions. [2018-12-09 19:08:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 19:08:56,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 19:08:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1472 states and 1795 transitions. [2018-12-09 19:08:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1795 transitions. [2018-12-09 19:08:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 19:08:58,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 25 proven. 190 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1568 states and 1920 transitions. [2018-12-09 19:09:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1920 transitions. [2018-12-09 19:09:08,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 19:09:08,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 19:09:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1573 states and 1924 transitions. [2018-12-09 19:09:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1924 transitions. [2018-12-09 19:09:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 19:09:09,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 19:09:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1578 states and 1928 transitions. [2018-12-09 19:09:10,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 1928 transitions. [2018-12-09 19:09:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 19:09:10,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 19:09:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1580 states and 1930 transitions. [2018-12-09 19:09:11,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1930 transitions. [2018-12-09 19:09:11,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 19:09:11,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 19:09:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:11,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1585 states and 1934 transitions. [2018-12-09 19:09:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1934 transitions. [2018-12-09 19:09:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 19:09:11,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 19:09:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1587 states and 1936 transitions. [2018-12-09 19:09:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1936 transitions. [2018-12-09 19:09:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-09 19:09:12,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:19,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1610 states and 1966 transitions. [2018-12-09 19:09:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1966 transitions. [2018-12-09 19:09:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-09 19:09:19,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:20,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1621 states and 1979 transitions. [2018-12-09 19:09:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 1979 transitions. [2018-12-09 19:09:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-09 19:09:20,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1626 states and 1983 transitions. [2018-12-09 19:09:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1983 transitions. [2018-12-09 19:09:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 19:09:21,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1630 states and 1990 transitions. [2018-12-09 19:09:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 1990 transitions. [2018-12-09 19:09:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 19:09:23,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:25,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1644 states and 2004 transitions. [2018-12-09 19:09:25,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2004 transitions. [2018-12-09 19:09:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 19:09:25,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1655 states and 2015 transitions. [2018-12-09 19:09:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2015 transitions. [2018-12-09 19:09:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 19:09:27,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:29,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1664 states and 2023 transitions. [2018-12-09 19:09:29,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2023 transitions. [2018-12-09 19:09:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 19:09:29,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 206 proven. 69 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 19:09:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1734 states and 2101 transitions. [2018-12-09 19:09:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2101 transitions. [2018-12-09 19:09:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-09 19:09:33,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-09 19:09:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1745 states and 2112 transitions. [2018-12-09 19:09:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2112 transitions. [2018-12-09 19:09:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 19:09:33,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:37,918 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 19:09:47,147 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 19:09:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1799 states and 2180 transitions. [2018-12-09 19:09:48,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2180 transitions. [2018-12-09 19:09:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 19:09:48,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1823 states and 2205 transitions. [2018-12-09 19:09:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2205 transitions. [2018-12-09 19:09:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 19:09:49,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1838 states and 2220 transitions. [2018-12-09 19:09:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2220 transitions. [2018-12-09 19:09:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 19:09:51,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1843 states and 2225 transitions. [2018-12-09 19:09:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2225 transitions. [2018-12-09 19:09:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 19:09:51,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:52,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1845 states and 2229 transitions. [2018-12-09 19:09:52,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2229 transitions. [2018-12-09 19:09:52,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 19:09:52,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 19:09:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 1850 states and 2234 transitions. [2018-12-09 19:09:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2234 transitions. [2018-12-09 19:09:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-09 19:09:54,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 15 proven. 239 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-09 19:10:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:16,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1954 states and 2377 transitions. [2018-12-09 19:10:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2377 transitions. [2018-12-09 19:10:16,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 19:10:16,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:10:24,554 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 19:10:28,212 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 19:10:32,245 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-09 19:10:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2005 states and 2431 transitions. [2018-12-09 19:10:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2431 transitions. [2018-12-09 19:10:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 19:10:36,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:10:39,297 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2018-12-09 19:10:42,783 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-09 19:10:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2054 states and 2480 transitions. [2018-12-09 19:10:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2480 transitions. [2018-12-09 19:10:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 19:10:45,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:10:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2058 states and 2484 transitions. [2018-12-09 19:10:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2484 transitions. [2018-12-09 19:10:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 19:10:46,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:10:48,252 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 19:10:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2069 states and 2493 transitions. [2018-12-09 19:10:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2493 transitions. [2018-12-09 19:10:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 19:10:49,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:51,405 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 19:10:52,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2070 states and 2494 transitions. [2018-12-09 19:10:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2494 transitions. [2018-12-09 19:10:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 19:10:52,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:10:56,393 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 19:10:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:57,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2080 states and 2507 transitions. [2018-12-09 19:10:57,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2507 transitions. [2018-12-09 19:10:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 19:10:57,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:02,367 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-12-09 19:11:04,299 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-09 19:11:05,732 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 19:11:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2121 states and 2547 transitions. [2018-12-09 19:11:08,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2547 transitions. [2018-12-09 19:11:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 19:11:08,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 19:11:09,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2192 states and 2623 transitions. [2018-12-09 19:11:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2623 transitions. [2018-12-09 19:11:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 19:11:09,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:14,141 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-12-09 19:11:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2225 states and 2655 transitions. [2018-12-09 19:11:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2655 transitions. [2018-12-09 19:11:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 19:11:15,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2227 states and 2656 transitions. [2018-12-09 19:11:16,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 2656 transitions. [2018-12-09 19:11:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 19:11:16,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2209 states and 2637 transitions. [2018-12-09 19:11:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2637 transitions. [2018-12-09 19:11:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 19:11:17,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 19:11:25,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:25,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2229 states and 2658 transitions. [2018-12-09 19:11:25,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2658 transitions. [2018-12-09 19:11:25,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 19:11:25,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 19:11:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2252 states and 2680 transitions. [2018-12-09 19:11:27,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 2680 transitions. [2018-12-09 19:11:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 19:11:27,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:35,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2268 states and 2716 transitions. [2018-12-09 19:11:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2716 transitions. [2018-12-09 19:11:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 19:11:35,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2270 states and 2718 transitions. [2018-12-09 19:11:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2718 transitions. [2018-12-09 19:11:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 19:11:36,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:37,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2272 states and 2725 transitions. [2018-12-09 19:11:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2725 transitions. [2018-12-09 19:11:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 19:11:37,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2277 states and 2730 transitions. [2018-12-09 19:11:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2730 transitions. [2018-12-09 19:11:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 19:11:38,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2291 states and 2743 transitions. [2018-12-09 19:11:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 2743 transitions. [2018-12-09 19:11:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 19:11:40,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:40,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2300 states and 2752 transitions. [2018-12-09 19:11:40,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2752 transitions. [2018-12-09 19:11:40,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 19:11:40,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:41,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2314 states and 2766 transitions. [2018-12-09 19:11:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2766 transitions. [2018-12-09 19:11:41,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 19:11:41,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:11:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2323 states and 2774 transitions. [2018-12-09 19:11:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2774 transitions. [2018-12-09 19:11:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 19:11:42,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:11:48,995 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 19:11:51,523 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 19:11:53,808 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 19:11:55,317 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 19:11:57,057 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-09 19:11:59,410 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-12-09 19:12:02,945 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-09 19:12:03,951 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2018-12-09 19:12:07,280 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-09 19:12:08,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2356 states and 2812 transitions. [2018-12-09 19:12:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 2812 transitions. [2018-12-09 19:12:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 19:12:08,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:12:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:10,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2362 states and 2818 transitions. [2018-12-09 19:12:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2818 transitions. [2018-12-09 19:12:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 19:12:10,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:12:16,068 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2018-12-09 19:12:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2382 states and 2837 transitions. [2018-12-09 19:12:17,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 2837 transitions. [2018-12-09 19:12:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 19:12:17,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:12:20,405 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-09 19:12:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:25,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2407 states and 2861 transitions. [2018-12-09 19:12:25,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2861 transitions. [2018-12-09 19:12:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 19:12:25,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:12:26,546 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-09 19:12:30,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2423 states and 2876 transitions. [2018-12-09 19:12:30,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 2876 transitions. [2018-12-09 19:12:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 19:12:30,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 19:12:36,527 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-09 19:12:39,252 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 19:12:42,014 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2018-12-09 19:12:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2471 states and 2924 transitions. [2018-12-09 19:12:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 2924 transitions. [2018-12-09 19:12:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 19:12:50,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 19:12:53,882 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 19:13:13,571 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 19:13:16,683 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 19:13:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 2555 states and 3040 transitions. [2018-12-09 19:13:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3040 transitions. [2018-12-09 19:13:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 19:13:16,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 19:13:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2604 states and 3090 transitions. [2018-12-09 19:13:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3090 transitions. [2018-12-09 19:13:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 19:13:20,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 19:13:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 2619 states and 3109 transitions. [2018-12-09 19:13:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3109 transitions. [2018-12-09 19:13:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 19:13:23,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 19:13:25,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 2634 states and 3123 transitions. [2018-12-09 19:13:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3123 transitions. [2018-12-09 19:13:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 19:13:25,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 19:13:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 2636 states and 3125 transitions. [2018-12-09 19:13:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3125 transitions. [2018-12-09 19:13:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 19:13:26,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 19:13:35,226 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 19:13:38,072 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 19:13:40,607 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-09 19:13:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 2674 states and 3172 transitions. [2018-12-09 19:13:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3172 transitions. [2018-12-09 19:13:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 19:13:43,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 19:13:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 2688 states and 3184 transitions. [2018-12-09 19:13:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3184 transitions. [2018-12-09 19:13:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 19:13:45,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 19:13:47,176 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 19:13:47,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 2703 states and 3199 transitions. [2018-12-09 19:13:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2703 states and 3199 transitions. [2018-12-09 19:13:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 19:13:47,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:13:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 2706 states and 3202 transitions. [2018-12-09 19:13:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3202 transitions. [2018-12-09 19:13:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 19:13:53,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:13:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 2710 states and 3206 transitions. [2018-12-09 19:13:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3206 transitions. [2018-12-09 19:13:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 19:13:54,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:14:01,004 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-09 19:14:03,848 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-09 19:14:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 2751 states and 3248 transitions. [2018-12-09 19:14:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3248 transitions. [2018-12-09 19:14:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 19:14:06,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:08,500 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2018-12-09 19:14:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-09 19:14:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 2820 states and 3319 transitions. [2018-12-09 19:14:10,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3319 transitions. [2018-12-09 19:14:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 19:14:10,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 19:14:14,113 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 19:14:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 2833 states and 3335 transitions. [2018-12-09 19:14:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3335 transitions. [2018-12-09 19:14:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 19:14:17,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 19:14:18,977 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 19:14:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 2851 states and 3357 transitions. [2018-12-09 19:14:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3357 transitions. [2018-12-09 19:14:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 19:14:22,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 19:14:22,919 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-09 19:14:24,411 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 19:14:24,874 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 19:14:26,373 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 19:14:26,893 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-09 19:14:28,550 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-09 19:14:29,072 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-09 19:14:29,935 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-09 19:14:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 2868 states and 3375 transitions. [2018-12-09 19:14:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2868 states and 3375 transitions. [2018-12-09 19:14:30,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 19:14:30,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 19:14:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 2942 states and 3451 transitions. [2018-12-09 19:14:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3451 transitions. [2018-12-09 19:14:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 19:14:36,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:14:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3457 states to 2948 states and 3457 transitions. [2018-12-09 19:14:39,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2948 states and 3457 transitions. [2018-12-09 19:14:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 19:14:39,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 19:14:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 2971 states and 3480 transitions. [2018-12-09 19:14:43,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3480 transitions. [2018-12-09 19:14:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 19:14:43,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 19:14:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3029 states and 3547 transitions. [2018-12-09 19:14:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3547 transitions. [2018-12-09 19:14:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:14:59,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 19:15:04,975 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2018-12-09 19:15:11,460 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 19:15:15,614 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 19:15:18,966 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 19:15:26,387 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-09 19:15:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3134 states and 3685 transitions. [2018-12-09 19:15:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3685 transitions. [2018-12-09 19:15:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:15:32,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 19:15:40,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3175 states and 3726 transitions. [2018-12-09 19:15:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 3726 transitions. [2018-12-09 19:15:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 19:15:40,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 19:15:43,764 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-09 19:15:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3179 states and 3730 transitions. [2018-12-09 19:15:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3730 transitions. [2018-12-09 19:15:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 19:15:45,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:15:57,451 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-09 19:15:59,327 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 19:16:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3212 states and 3765 transitions. [2018-12-09 19:16:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3212 states and 3765 transitions. [2018-12-09 19:16:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 19:16:02,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:16:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:16:03,783 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-12-09 19:16:04,361 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-12-09 19:16:05,448 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 19:16:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:05,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3220 states and 3773 transitions. [2018-12-09 19:16:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 3773 transitions. [2018-12-09 19:16:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 19:16:05,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:16:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:16:06,410 WARN L180 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-09 19:16:07,354 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 19:16:08,217 WARN L180 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-09 19:16:14,185 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 19:16:14,781 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 19:16:16,574 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 19:16:17,213 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-09 19:16:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3245 states and 3798 transitions. [2018-12-09 19:16:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 3798 transitions. [2018-12-09 19:16:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 19:16:18,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:16:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 19:16:18,901 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2018-12-09 19:16:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3248 states and 3800 transitions. [2018-12-09 19:16:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 3800 transitions. [2018-12-09 19:16:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 19:16:20,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:16:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:22,984 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 19:16:24,253 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-09 19:16:26,014 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-12-09 19:16:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 19:16:37,953 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 19:16:39,524 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 19:16:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3271 states and 3828 transitions. [2018-12-09 19:16:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3271 states and 3828 transitions. [2018-12-09 19:16:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 19:16:41,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:16:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 19:16:43,162 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-09 19:16:44,890 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-09 19:16:45,511 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-09 19:16:47,450 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-09 19:16:48,308 WARN L180 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-09 19:16:53,240 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-09 19:16:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3299 states and 3854 transitions. [2018-12-09 19:16:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 3854 transitions. [2018-12-09 19:16:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 19:16:55,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:16:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-09 19:16:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3304 states and 3862 transitions. [2018-12-09 19:16:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 3862 transitions. [2018-12-09 19:16:56,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-09 19:16:56,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:16:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-09 19:16:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 3373 states and 3933 transitions. [2018-12-09 19:16:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3373 states and 3933 transitions. [2018-12-09 19:16:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 19:16:59,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:16:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:16:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-12-09 19:16:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3859 states to 3301 states and 3859 transitions. [2018-12-09 19:16:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 3859 transitions. [2018-12-09 19:16:59,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:16:59,955 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 163 iterations. [2018-12-09 19:16:59,961 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 19:17:00,159 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 39 [2018-12-09 19:17:00,320 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 41 [2018-12-09 19:17:00,580 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 41 [2018-12-09 19:17:00,776 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-12-09 19:17:00,999 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 12 [2018-12-09 19:17:01,306 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2018-12-09 19:17:01,452 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 12 [2018-12-09 19:17:01,630 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 12 [2018-12-09 19:17:01,902 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 41 [2018-12-09 19:17:02,133 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 12 [2018-12-09 19:17:02,412 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 42 [2018-12-09 19:17:02,600 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 12 [2018-12-09 19:17:02,840 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 12 [2018-12-09 19:17:03,047 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2018-12-09 19:17:03,496 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 42 [2018-12-09 19:17:03,884 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2018-12-09 19:17:04,135 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 51 [2018-12-09 19:17:04,357 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 12 [2018-12-09 19:17:04,761 WARN L180 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2018-12-09 19:17:05,039 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 51 [2018-12-09 19:17:05,231 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 51 [2018-12-09 19:17:05,426 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 51 [2018-12-09 19:17:05,580 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 35 [2018-12-09 19:17:05,748 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2018-12-09 19:17:06,037 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 51 [2018-12-09 19:17:06,228 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 51 [2018-12-09 19:17:06,487 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 47 [2018-12-09 19:17:06,775 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2018-12-09 19:17:07,033 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 12 [2018-12-09 19:17:07,296 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 47 [2018-12-09 19:17:07,598 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2018-12-09 19:17:07,931 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2018-12-09 19:17:08,187 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2018-12-09 19:17:08,367 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 49 [2018-12-09 19:17:08,685 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 42 [2018-12-09 19:17:08,815 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 12 [2018-12-09 19:17:09,088 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 51 [2018-12-09 19:17:09,229 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2018-12-09 19:17:09,435 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 42 [2018-12-09 19:17:09,687 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 39 [2018-12-09 19:17:09,954 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 41 [2018-12-09 19:17:10,344 WARN L180 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 73 [2018-12-09 19:17:10,614 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 41 [2018-12-09 19:17:10,791 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 47 [2018-12-09 19:17:11,030 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 12 [2018-12-09 19:17:11,351 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 12 [2018-12-09 19:17:11,598 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2018-12-09 19:17:11,878 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 42 [2018-12-09 19:17:12,037 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 12 [2018-12-09 19:17:12,037 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:17:12,040 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-09 19:17:12,044 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-09 19:17:12,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:17:12 ImpRootNode [2018-12-09 19:17:12,044 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 19:17:12,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:17:12,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:17:12,045 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:17:12,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:26" (3/4) ... [2018-12-09 19:17:12,048 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:17:12,058 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 19:17:12,058 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 19:17:12,059 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 19:17:12,059 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:17:12,114 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_38de70d8-f2bf-4cbc-b09d-00cc80513969/bin-2019/ukojak/witness.graphml [2018-12-09 19:17:12,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:17:12,114 INFO L168 Benchmark]: Toolchain (without parser) took 587197.18 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 714.1 MB). Free memory was 950.6 MB in the beginning and 762.5 MB in the end (delta: 188.1 MB). Peak memory consumption was 902.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:17:12,114 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:17:12,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:17:12,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:17:12,115 INFO L168 Benchmark]: Boogie Preprocessor took 28.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:17:12,115 INFO L168 Benchmark]: RCFGBuilder took 1021.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 873.1 MB in the end (delta: 213.4 MB). Peak memory consumption was 213.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:17:12,115 INFO L168 Benchmark]: CodeCheck took 585690.97 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 605.0 MB). Free memory was 873.1 MB in the beginning and 779.5 MB in the end (delta: 93.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 19:17:12,115 INFO L168 Benchmark]: Witness Printer took 68.94 ms. Allocated memory is still 1.7 GB. Free memory was 779.5 MB in the beginning and 762.5 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:17:12,116 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 573.5s OverallTime, 163 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 221406296 SDtfs, 2056531638 SDslu, 1116623248 SDs, 0 SdLazy, 240006702 SolverSat, 1414777448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 989.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217843 GetRequests, 207668 SyntacticMatches, 8003 SemanticMatches, 2172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3665572 ImplicationChecksByTransitivity, 534.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 61.5s InterpolantComputationTime, 33006 NumberOfCodeBlocks, 33006 NumberOfCodeBlocksAsserted, 162 NumberOfCheckSat, 32844 ConstructedInterpolants, 0 QuantifiedInterpolants, 59846587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 162 InterpolantComputations, 121 PerfectInterpolantSequences, 41890/44186 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: 554]: 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)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a7 == 1 || !(a16 == 6)) || !(a8 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1021.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 873.1 MB in the end (delta: 213.4 MB). Peak memory consumption was 213.4 MB. Max. memory is 11.5 GB. * CodeCheck took 585690.97 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 605.0 MB). Free memory was 873.1 MB in the beginning and 779.5 MB in the end (delta: 93.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 68.94 ms. Allocated memory is still 1.7 GB. Free memory was 779.5 MB in the beginning and 762.5 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...