java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 02:26:09,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 02:26:09,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 02:26:09,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 02:26:09,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 02:26:09,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 02:26:09,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 02:26:09,267 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 02:26:09,269 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 02:26:09,276 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 02:26:09,277 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 02:26:09,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 02:26:09,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 02:26:09,280 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 02:26:09,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 02:26:09,282 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 02:26:09,283 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 02:26:09,285 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 02:26:09,286 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 02:26:09,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 02:26:09,289 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 02:26:09,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 02:26:09,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 02:26:09,293 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 02:26:09,293 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 02:26:09,294 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 02:26:09,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 02:26:09,295 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 02:26:09,296 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 02:26:09,297 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 02:26:09,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 02:26:09,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 02:26:09,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 02:26:09,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 02:26:09,299 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 02:26:09,300 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 02:26:09,300 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 02:26:09,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 02:26:09,315 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 02:26:09,316 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 02:26:09,316 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 02:26:09,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 02:26:09,317 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 02:26:09,317 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 02:26:09,318 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 02:26:09,318 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 02:26:09,318 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 02:26:09,318 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 02:26:09,318 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 02:26:09,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 02:26:09,319 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 02:26:09,319 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 02:26:09,319 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 02:26:09,319 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 02:26:09,320 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 02:26:09,320 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 02:26:09,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 02:26:09,320 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 02:26:09,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:26:09,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 02:26:09,321 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 02:26:09,321 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 02:26:09,321 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 02:26:09,321 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 02:26:09,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 02:26:09,322 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 02:26:09,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 02:26:09,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 02:26:09,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 02:26:09,408 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 02:26:09,409 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 02:26:09,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-10-01 02:26:09,410 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-10-01 02:26:09,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 02:26:09,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 02:26:09,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 02:26:09,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 02:26:09,460 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 02:26:09,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,498 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 02:26:09,499 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 02:26:09,499 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 02:26:09,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 02:26:09,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 02:26:09,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 02:26:09,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 02:26:09,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 02:26:09,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 02:26:09,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 02:26:09,523 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 02:26:09,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:26:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-10-01 02:26:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-10-01 02:26:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-10-01 02:26:09,793 INFO L345 CfgBuilder]: Using library mode [2018-10-01 02:26:09,794 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:26:09 BoogieIcfgContainer [2018-10-01 02:26:09,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 02:26:09,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 02:26:09,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 02:26:09,807 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 02:26:09,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:26:09" (1/1) ... [2018-10-01 02:26:09,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 02:26:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-01 02:26:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-01 02:26:09,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-01 02:26:09,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:10,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-01 02:26:10,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-01 02:26:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 02:26:10,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-10-01 02:26:10,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-10-01 02:26:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 02:26:10,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:11,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-01 02:26:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-01 02:26:11,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 02:26:11,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-10-01 02:26:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-10-01 02:26:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 02:26:11,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:11,942 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-01 02:26:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-01 02:26:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-01 02:26:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 02:26:12,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-01 02:26:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-01 02:26:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 02:26:12,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-10-01 02:26:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-10-01 02:26:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 02:26:12,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:13,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-10-01 02:26:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-10-01 02:26:13,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:26:13,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-10-01 02:26:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-10-01 02:26:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 02:26:13,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-10-01 02:26:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-10-01 02:26:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 02:26:14,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:14,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-01 02:26:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-01 02:26:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 02:26:14,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:15,140 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-01 02:26:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-10-01 02:26:15,164 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-10-01 02:26:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:26:15,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-10-01 02:26:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-10-01 02:26:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 02:26:15,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-10-01 02:26:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-10-01 02:26:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:26:16,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:16,275 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:16,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-10-01 02:26:16,664 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-10-01 02:26:16,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 02:26:16,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:16,856 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-10-01 02:26:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-10-01 02:26:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:26:17,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-10-01 02:26:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-10-01 02:26:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 02:26:18,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:18,938 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-01 02:26:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-10-01 02:26:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-10-01 02:26:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:26:18,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:19,458 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-01 02:26:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-10-01 02:26:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-10-01 02:26:19,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 02:26:19,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:21,027 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-01 02:26:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-10-01 02:26:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-10-01 02:26:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:26:21,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:21,786 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-01 02:26:22,098 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-01 02:26:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-10-01 02:26:22,123 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-10-01 02:26:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 02:26:22,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:23,070 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-01 02:26:23,908 WARN L178 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-01 02:26:23,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:23,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-10-01 02:26:23,937 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-10-01 02:26:23,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:26:23,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:24,679 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-01 02:26:25,515 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-10-01 02:26:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-10-01 02:26:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-10-01 02:26:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 02:26:25,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:26,135 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-01 02:26:26,562 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-01 02:26:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-10-01 02:26:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-10-01 02:26:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:26:26,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:27,102 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-01 02:26:27,489 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-01 02:26:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-10-01 02:26:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-10-01 02:26:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 02:26:27,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:28,055 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-01 02:26:28,523 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-01 02:26:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-10-01 02:26:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-10-01 02:26:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:26:28,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:29,394 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-01 02:26:29,814 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-01 02:26:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-10-01 02:26:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-10-01 02:26:29,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 02:26:29,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:30,530 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-01 02:26:31,249 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-01 02:26:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-10-01 02:26:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-10-01 02:26:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:26:31,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:32,386 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-01 02:26:32,860 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-01 02:26:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:32,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-10-01 02:26:32,892 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-10-01 02:26:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 02:26:32,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:33,614 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-01 02:26:34,189 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-01 02:26:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-10-01 02:26:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-10-01 02:26:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:26:34,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:34,946 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-01 02:26:35,552 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-01 02:26:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-10-01 02:26:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-10-01 02:26:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 02:26:35,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:37,251 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-01 02:26:38,111 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-01 02:26:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-10-01 02:26:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-10-01 02:26:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:26:38,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:39,352 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-10-01 02:26:39,947 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-10-01 02:26:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-10-01 02:26:39,974 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-10-01 02:26:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 02:26:39,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:40,710 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-10-01 02:26:41,314 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-10-01 02:26:41,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-10-01 02:26:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-10-01 02:26:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:26:41,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:42,134 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-01 02:26:42,817 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-01 02:26:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:42,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-10-01 02:26:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-10-01 02:26:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 02:26:42,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:43,697 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-10-01 02:26:44,475 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-10-01 02:26:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-10-01 02:26:44,523 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-10-01 02:26:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:26:44,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:45,406 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-10-01 02:26:46,097 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-10-01 02:26:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-10-01 02:26:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-10-01 02:26:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 02:26:46,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:47,098 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-10-01 02:26:47,830 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-10-01 02:26:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-10-01 02:26:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-10-01 02:26:47,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:26:47,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:48,824 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-01 02:26:49,732 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-01 02:26:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-10-01 02:26:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-10-01 02:26:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 02:26:49,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:50,739 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-10-01 02:26:51,528 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-10-01 02:26:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-10-01 02:26:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-10-01 02:26:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:26:51,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:52,595 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-10-01 02:26:53,477 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-10-01 02:26:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-10-01 02:26:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-10-01 02:26:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 02:26:53,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:54,557 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-01 02:26:55,464 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-10-01 02:26:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-10-01 02:26:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-10-01 02:26:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:26:55,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:57,037 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-10-01 02:26:57,944 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-01 02:26:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:26:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-10-01 02:26:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-10-01 02:26:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 02:26:57,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:26:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:26:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:26:59,281 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-10-01 02:27:00,256 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-10-01 02:27:00,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-10-01 02:27:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-10-01 02:27:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:27:00,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:01,397 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-01 02:27:02,425 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-10-01 02:27:02,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-10-01 02:27:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-10-01 02:27:02,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 02:27:02,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:03,840 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-01 02:27:04,916 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-01 02:27:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-10-01 02:27:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-10-01 02:27:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:27:04,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:06,170 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-10-01 02:27:07,211 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-10-01 02:27:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-10-01 02:27:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-10-01 02:27:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 02:27:07,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:08,398 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-10-01 02:27:09,471 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-10-01 02:27:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-10-01 02:27:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-10-01 02:27:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:27:09,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:11,135 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-10-01 02:27:12,264 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-10-01 02:27:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:12,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-10-01 02:27:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-10-01 02:27:12,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 02:27:12,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:13,587 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-01 02:27:14,731 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-01 02:27:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-10-01 02:27:14,760 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-10-01 02:27:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:27:14,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:16,956 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-10-01 02:27:18,191 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-10-01 02:27:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-10-01 02:27:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-10-01 02:27:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 02:27:18,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:20,690 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-10-01 02:27:21,951 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-10-01 02:27:21,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-10-01 02:27:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-10-01 02:27:21,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:27:21,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:23,463 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-01 02:27:24,769 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-01 02:27:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-10-01 02:27:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-10-01 02:27:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 02:27:24,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:26,536 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-10-01 02:27:27,852 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-01 02:27:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-10-01 02:27:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-10-01 02:27:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:27:27,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:29,342 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-10-01 02:27:30,798 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-10-01 02:27:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-10-01 02:27:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-10-01 02:27:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 02:27:30,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:32,954 WARN L178 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-10-01 02:27:34,355 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-01 02:27:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-10-01 02:27:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-10-01 02:27:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:27:34,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:36,020 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-01 02:27:37,476 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-01 02:27:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-10-01 02:27:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-10-01 02:27:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 02:27:37,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:39,098 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-10-01 02:27:40,684 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-10-01 02:27:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-10-01 02:27:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-10-01 02:27:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:27:40,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:42,569 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-10-01 02:27:44,118 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-10-01 02:27:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-10-01 02:27:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-10-01 02:27:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 02:27:44,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:46,045 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-01 02:27:47,644 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-10-01 02:27:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-10-01 02:27:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-10-01 02:27:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:27:47,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:49,389 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-01 02:27:51,135 WARN L178 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-01 02:27:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-10-01 02:27:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-10-01 02:27:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 02:27:51,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:53,007 WARN L178 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-10-01 02:27:54,708 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-10-01 02:27:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-10-01 02:27:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-10-01 02:27:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:27:54,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:27:56,621 WARN L178 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-10-01 02:27:58,370 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-10-01 02:27:58,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:27:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-10-01 02:27:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-10-01 02:27:58,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 02:27:58,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:27:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:27:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:04,104 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-01 02:28:05,859 WARN L178 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-10-01 02:28:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-10-01 02:28:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-10-01 02:28:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:28:05,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:07,912 WARN L178 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-10-01 02:28:09,728 WARN L178 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-01 02:28:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-10-01 02:28:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-10-01 02:28:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 02:28:09,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:10,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:11,751 WARN L178 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-10-01 02:28:13,595 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-10-01 02:28:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:13,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-10-01 02:28:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-10-01 02:28:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:28:13,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:15,783 WARN L178 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-10-01 02:28:17,705 WARN L178 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-10-01 02:28:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-10-01 02:28:17,745 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-10-01 02:28:17,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 02:28:17,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:19,758 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-01 02:28:21,848 WARN L178 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-01 02:28:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-10-01 02:28:21,884 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-10-01 02:28:21,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:28:21,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:24,085 WARN L178 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-10-01 02:28:26,080 WARN L178 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-10-01 02:28:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-10-01 02:28:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-10-01 02:28:26,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 02:28:26,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:28,467 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-10-01 02:28:30,510 WARN L178 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-10-01 02:28:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-10-01 02:28:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-10-01 02:28:30,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:28:30,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:32,747 WARN L178 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-01 02:28:34,830 WARN L178 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-10-01 02:28:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-10-01 02:28:34,868 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-10-01 02:28:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-01 02:28:34,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:37,346 WARN L178 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-10-01 02:28:39,526 WARN L178 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-01 02:28:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-10-01 02:28:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-10-01 02:28:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:28:39,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:41,957 WARN L178 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-10-01 02:28:44,208 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-10-01 02:28:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-10-01 02:28:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-10-01 02:28:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-01 02:28:44,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:47,696 WARN L178 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-10-01 02:28:49,964 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-10-01 02:28:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:50,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-10-01 02:28:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-10-01 02:28:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:28:50,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:54,209 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-01 02:28:56,575 WARN L178 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-10-01 02:28:56,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:28:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-10-01 02:28:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-10-01 02:28:56,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-01 02:28:56,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:28:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:28:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:28:59,707 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-10-01 02:29:02,075 WARN L178 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-10-01 02:29:02,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-10-01 02:29:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-10-01 02:29:02,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:29:02,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:05,509 WARN L178 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-10-01 02:29:08,046 WARN L178 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-10-01 02:29:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:08,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-10-01 02:29:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-10-01 02:29:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-01 02:29:08,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:08,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:10,878 WARN L178 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-10-01 02:29:13,407 WARN L178 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-10-01 02:29:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-10-01 02:29:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-10-01 02:29:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:29:13,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:16,111 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-10-01 02:29:18,694 WARN L178 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-10-01 02:29:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-10-01 02:29:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-10-01 02:29:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 02:29:18,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:22,084 WARN L178 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-10-01 02:29:24,707 WARN L178 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-10-01 02:29:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-10-01 02:29:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-10-01 02:29:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 02:29:24,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:27,610 WARN L178 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-10-01 02:29:30,319 WARN L178 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-10-01 02:29:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-10-01 02:29:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-10-01 02:29:30,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-01 02:29:30,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:33,250 WARN L178 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-10-01 02:29:35,978 WARN L178 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-10-01 02:29:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-10-01 02:29:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-10-01 02:29:36,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 02:29:36,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:36,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:39,042 WARN L178 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-10-01 02:29:41,821 WARN L178 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-10-01 02:29:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-10-01 02:29:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-10-01 02:29:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-01 02:29:41,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:44,956 WARN L178 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-10-01 02:29:47,800 WARN L178 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-10-01 02:29:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-10-01 02:29:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-10-01 02:29:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 02:29:47,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:51,003 WARN L178 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-10-01 02:29:53,982 WARN L178 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-10-01 02:29:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:29:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-10-01 02:29:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-10-01 02:29:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-01 02:29:54,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:29:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:29:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:29:57,214 WARN L178 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-10-01 02:30:00,206 WARN L178 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-10-01 02:30:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-10-01 02:30:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-10-01 02:30:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 02:30:00,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:03,438 WARN L178 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-10-01 02:30:06,506 WARN L178 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-10-01 02:30:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-10-01 02:30:06,554 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-10-01 02:30:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-01 02:30:06,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:09,796 WARN L178 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-10-01 02:30:12,866 WARN L178 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-10-01 02:30:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-10-01 02:30:12,910 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-10-01 02:30:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 02:30:12,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:16,199 WARN L178 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-10-01 02:30:19,402 WARN L178 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-10-01 02:30:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-10-01 02:30:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-10-01 02:30:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-01 02:30:19,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:22,655 WARN L178 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2018-10-01 02:30:25,870 WARN L178 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-10-01 02:30:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 94 states and 185 transitions. [2018-10-01 02:30:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 185 transitions. [2018-10-01 02:30:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 02:30:25,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:29,211 WARN L178 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2018-10-01 02:30:32,485 WARN L178 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 458 [2018-10-01 02:30:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 95 states and 187 transitions. [2018-10-01 02:30:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 187 transitions. [2018-10-01 02:30:32,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-01 02:30:32,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:36,079 WARN L178 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2018-10-01 02:30:39,405 WARN L178 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2018-10-01 02:30:39,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 96 states and 189 transitions. [2018-10-01 02:30:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 189 transitions. [2018-10-01 02:30:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 02:30:39,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:43,086 WARN L178 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2018-10-01 02:30:46,473 WARN L178 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2018-10-01 02:30:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 97 states and 191 transitions. [2018-10-01 02:30:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 191 transitions. [2018-10-01 02:30:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-01 02:30:46,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:50,031 WARN L178 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2018-10-01 02:30:53,496 WARN L178 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-10-01 02:30:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:30:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 98 states and 193 transitions. [2018-10-01 02:30:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 193 transitions. [2018-10-01 02:30:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 02:30:53,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:30:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:30:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:30:57,145 WARN L178 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-10-01 02:31:00,763 WARN L178 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2018-10-01 02:31:00,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:31:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 99 states and 195 transitions. [2018-10-01 02:31:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 195 transitions. [2018-10-01 02:31:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-01 02:31:00,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:31:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:31:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:31:04,472 WARN L178 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2018-10-01 02:31:08,111 WARN L178 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-10-01 02:31:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:31:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 100 states and 197 transitions. [2018-10-01 02:31:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 197 transitions. [2018-10-01 02:31:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 02:31:08,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:31:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:31:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:31:11,961 WARN L178 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 487 [2018-10-01 02:31:15,673 WARN L178 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2018-10-01 02:31:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:31:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 101 states and 199 transitions. [2018-10-01 02:31:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 199 transitions. [2018-10-01 02:31:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-01 02:31:15,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:31:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:31:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:31:19,622 WARN L178 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2018-10-01 02:31:23,371 WARN L178 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 493 [2018-10-01 02:31:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:31:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 102 states and 201 transitions. [2018-10-01 02:31:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 201 transitions. [2018-10-01 02:31:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 02:31:23,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:31:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:31:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:31:27,255 WARN L178 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2018-10-01 02:31:31,056 WARN L178 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2018-10-01 02:31:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:31:31,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 103 states and 203 transitions. [2018-10-01 02:31:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 203 transitions. [2018-10-01 02:31:31,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-01 02:31:31,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:31:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:31:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:31:35,224 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 502 [2018-10-01 02:31:39,073 WARN L178 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2018-10-01 02:31:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:31:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 104 states and 205 transitions. [2018-10-01 02:31:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 205 transitions. [2018-10-01 02:31:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 02:31:39,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:31:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:31:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:31:43,100 WARN L178 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-10-01 02:31:47,138 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 508 [2018-10-01 02:31:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:31:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 105 states and 207 transitions. [2018-10-01 02:31:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 207 transitions. [2018-10-01 02:31:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-01 02:31:47,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:31:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:31:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:31:51,266 WARN L178 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2018-10-01 02:31:55,267 WARN L178 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-10-01 02:31:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:31:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 106 states and 209 transitions. [2018-10-01 02:31:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 209 transitions. [2018-10-01 02:31:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 02:31:55,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:31:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:31:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:31:59,635 WARN L178 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2018-10-01 02:32:03,740 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 518 [2018-10-01 02:32:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:32:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 107 states and 211 transitions. [2018-10-01 02:32:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 211 transitions. [2018-10-01 02:32:03,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-01 02:32:03,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:32:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:32:04,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:32:08,133 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 522 [2018-10-01 02:32:12,433 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 523 [2018-10-01 02:32:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:32:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 108 states and 213 transitions. [2018-10-01 02:32:12,497 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 213 transitions. [2018-10-01 02:32:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 02:32:12,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:32:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:32:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:32:17,021 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 527 [2018-10-01 02:32:21,291 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 528 [2018-10-01 02:32:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:32:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 109 states and 215 transitions. [2018-10-01 02:32:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 215 transitions. [2018-10-01 02:32:21,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-01 02:32:21,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:32:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:32:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:32:25,803 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 532 [2018-10-01 02:32:30,150 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 533 [2018-10-01 02:32:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:32:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 110 states and 217 transitions. [2018-10-01 02:32:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 217 transitions. [2018-10-01 02:32:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 02:32:30,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:32:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:32:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:32:34,759 WARN L178 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 537 [2018-10-01 02:32:39,139 WARN L178 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 538 [2018-10-01 02:32:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:32:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 111 states and 219 transitions. [2018-10-01 02:32:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 219 transitions. [2018-10-01 02:32:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-01 02:32:39,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:32:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:32:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:32:43,799 WARN L178 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 542 [2018-10-01 02:32:48,333 WARN L178 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 543 [2018-10-01 02:32:48,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:32:48,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 112 states and 221 transitions. [2018-10-01 02:32:48,390 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 221 transitions. [2018-10-01 02:32:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 02:32:48,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:32:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:32:49,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:32:53,108 WARN L178 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 547 [2018-10-01 02:32:57,636 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 548 [2018-10-01 02:32:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:32:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 113 states and 223 transitions. [2018-10-01 02:32:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 223 transitions. [2018-10-01 02:32:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-01 02:32:57,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:32:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:32:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:02,458 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 552 [2018-10-01 02:33:07,068 WARN L178 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 553 [2018-10-01 02:33:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 114 states and 225 transitions. [2018-10-01 02:33:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 225 transitions. [2018-10-01 02:33:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-01 02:33:07,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:12,815 WARN L178 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 557 [2018-10-01 02:33:17,466 WARN L178 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 558 [2018-10-01 02:33:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 115 states and 227 transitions. [2018-10-01 02:33:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 227 transitions. [2018-10-01 02:33:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-01 02:33:17,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:22,393 WARN L178 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 562 [2018-10-01 02:33:27,159 WARN L178 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 563 [2018-10-01 02:33:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 116 states and 229 transitions. [2018-10-01 02:33:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 229 transitions. [2018-10-01 02:33:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 02:33:27,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:32,229 WARN L178 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 567 [2018-10-01 02:33:36,992 WARN L178 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 568 [2018-10-01 02:33:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 117 states and 231 transitions. [2018-10-01 02:33:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 231 transitions. [2018-10-01 02:33:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-01 02:33:37,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:42,056 WARN L178 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 572 [2018-10-01 02:33:46,926 WARN L178 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 573 [2018-10-01 02:33:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 118 states and 233 transitions. [2018-10-01 02:33:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 233 transitions. [2018-10-01 02:33:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 02:33:46,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:52,119 WARN L178 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 577 [2018-10-01 02:33:57,015 WARN L178 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 578 [2018-10-01 02:33:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 119 states and 235 transitions. [2018-10-01 02:33:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 235 transitions. [2018-10-01 02:33:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-01 02:33:57,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:02,269 WARN L178 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 582 [2018-10-01 02:34:07,255 WARN L178 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 583 [2018-10-01 02:34:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 120 states and 237 transitions. [2018-10-01 02:34:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 237 transitions. [2018-10-01 02:34:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-01 02:34:07,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:12,546 WARN L178 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 587 [2018-10-01 02:34:17,590 WARN L178 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 588 [2018-10-01 02:34:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 121 states and 239 transitions. [2018-10-01 02:34:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 239 transitions. [2018-10-01 02:34:17,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-01 02:34:17,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:22,930 WARN L178 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 592 [2018-10-01 02:34:28,086 WARN L178 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 593 [2018-10-01 02:34:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 122 states and 241 transitions. [2018-10-01 02:34:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 241 transitions. [2018-10-01 02:34:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-01 02:34:28,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:33,467 WARN L178 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 597 [2018-10-01 02:34:38,695 WARN L178 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 598 [2018-10-01 02:34:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:38,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 123 states and 243 transitions. [2018-10-01 02:34:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 243 transitions. [2018-10-01 02:34:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-01 02:34:38,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:44,249 WARN L178 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 602 [2018-10-01 02:34:49,535 WARN L178 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 603 [2018-10-01 02:34:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 124 states and 245 transitions. [2018-10-01 02:34:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 245 transitions. [2018-10-01 02:34:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 02:34:49,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:55,142 WARN L178 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 607 [2018-10-01 02:35:00,503 WARN L178 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 608 [2018-10-01 02:35:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:35:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 125 states and 247 transitions. [2018-10-01 02:35:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 247 transitions. [2018-10-01 02:35:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-01 02:35:00,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:35:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:35:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:35:06,349 WARN L178 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 612 [2018-10-01 02:35:11,898 WARN L178 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 613 [2018-10-01 02:35:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:35:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 126 states and 249 transitions. [2018-10-01 02:35:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 249 transitions. [2018-10-01 02:35:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-01 02:35:11,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:35:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:35:13,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:35:17,675 WARN L178 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 617 [2018-10-01 02:35:23,209 WARN L178 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 618 [2018-10-01 02:35:23,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:35:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 251 transitions. [2018-10-01 02:35:23,271 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 251 transitions. [2018-10-01 02:35:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-01 02:35:23,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:35:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:35:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:35:29,129 WARN L178 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 622 [2018-10-01 02:35:34,741 WARN L178 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 623 [2018-10-01 02:35:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:35:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 128 states and 253 transitions. [2018-10-01 02:35:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 253 transitions. [2018-10-01 02:35:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-01 02:35:34,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:35:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:35:36,216 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:35:40,757 WARN L178 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 627 [2018-10-01 02:35:46,527 WARN L178 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 628 [2018-10-01 02:35:46,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:35:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 129 states and 255 transitions. [2018-10-01 02:35:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 255 transitions. [2018-10-01 02:35:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-01 02:35:46,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:35:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:35:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:35:52,618 WARN L178 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 632 [2018-10-01 02:35:58,536 WARN L178 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 633 [2018-10-01 02:35:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:35:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 130 states and 257 transitions. [2018-10-01 02:35:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 257 transitions. [2018-10-01 02:35:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-01 02:35:58,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:35:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:36:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:36:04,598 WARN L178 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 637 [2018-10-01 02:36:10,462 WARN L178 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 638 [2018-10-01 02:36:10,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:36:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 131 states and 259 transitions. [2018-10-01 02:36:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 259 transitions. [2018-10-01 02:36:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-01 02:36:10,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:36:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:36:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:36:16,654 WARN L178 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 642 [2018-10-01 02:36:22,590 WARN L178 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 643 [2018-10-01 02:36:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:36:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 132 states and 261 transitions. [2018-10-01 02:36:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 261 transitions. [2018-10-01 02:36:22,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-01 02:36:22,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:36:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:36:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:36:28,966 WARN L178 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 647 [2018-10-01 02:36:34,995 WARN L178 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 648 [2018-10-01 02:36:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:36:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 133 states and 263 transitions. [2018-10-01 02:36:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 263 transitions. [2018-10-01 02:36:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-01 02:36:35,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:36:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:36:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:36:41,305 WARN L178 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 652 [2018-10-01 02:36:47,370 WARN L178 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 653 [2018-10-01 02:36:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:36:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 134 states and 265 transitions. [2018-10-01 02:36:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 265 transitions. [2018-10-01 02:36:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-01 02:36:47,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:36:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:36:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:36:53,823 WARN L178 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 657 [2018-10-01 02:37:00,083 WARN L178 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 658 [2018-10-01 02:37:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 135 states and 267 transitions. [2018-10-01 02:37:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 267 transitions. [2018-10-01 02:37:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-01 02:37:00,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:06,659 WARN L178 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 662 [2018-10-01 02:37:12,894 WARN L178 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 663 [2018-10-01 02:37:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 136 states and 269 transitions. [2018-10-01 02:37:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 269 transitions. [2018-10-01 02:37:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-01 02:37:12,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:19,517 WARN L178 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 667 [2018-10-01 02:37:25,889 WARN L178 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 668 [2018-10-01 02:37:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 137 states and 271 transitions. [2018-10-01 02:37:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 271 transitions. [2018-10-01 02:37:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-01 02:37:25,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:32,632 WARN L178 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 672 [2018-10-01 02:37:39,062 WARN L178 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 673 [2018-10-01 02:37:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 138 states and 273 transitions. [2018-10-01 02:37:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 273 transitions. [2018-10-01 02:37:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-01 02:37:39,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:45,929 WARN L178 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 677 [2018-10-01 02:37:52,439 WARN L178 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 678 [2018-10-01 02:37:52,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:52,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 139 states and 275 transitions. [2018-10-01 02:37:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 275 transitions. [2018-10-01 02:37:52,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-01 02:37:52,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:59,353 WARN L178 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 682 [2018-10-01 02:38:06,010 WARN L178 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 683 [2018-10-01 02:38:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 140 states and 277 transitions. [2018-10-01 02:38:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 277 transitions. [2018-10-01 02:38:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-01 02:38:06,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:12,877 WARN L178 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 687 [2018-10-01 02:38:19,537 WARN L178 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 688 [2018-10-01 02:38:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:19,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 141 states and 279 transitions. [2018-10-01 02:38:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 279 transitions. [2018-10-01 02:38:19,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-01 02:38:19,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:26,800 WARN L178 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 692 [2018-10-01 02:38:33,527 WARN L178 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 693 [2018-10-01 02:38:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 142 states and 281 transitions. [2018-10-01 02:38:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 281 transitions. [2018-10-01 02:38:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-01 02:38:33,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:40,635 WARN L178 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 697 [2018-10-01 02:38:47,593 WARN L178 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 698 [2018-10-01 02:38:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 143 states and 283 transitions. [2018-10-01 02:38:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 283 transitions. [2018-10-01 02:38:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-01 02:38:47,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:54,708 WARN L178 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 702 [2018-10-01 02:39:01,734 WARN L178 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 703 [2018-10-01 02:39:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 144 states and 285 transitions. [2018-10-01 02:39:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 285 transitions. [2018-10-01 02:39:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-01 02:39:01,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:08,931 WARN L178 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 707 [2018-10-01 02:39:16,043 WARN L178 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 708 [2018-10-01 02:39:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 145 states and 287 transitions. [2018-10-01 02:39:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 287 transitions. [2018-10-01 02:39:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-01 02:39:16,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:23,502 WARN L178 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 712 [2018-10-01 02:39:30,640 WARN L178 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 713 [2018-10-01 02:39:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 146 states and 289 transitions. [2018-10-01 02:39:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 289 transitions. [2018-10-01 02:39:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-01 02:39:30,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:38,106 WARN L178 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 717 [2018-10-01 02:39:45,286 WARN L178 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 718 [2018-10-01 02:39:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 147 states and 291 transitions. [2018-10-01 02:39:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 291 transitions. [2018-10-01 02:39:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-01 02:39:45,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:52,933 WARN L178 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 722 Received shutdown request... [2018-10-01 02:39:54,093 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 02:39:54,096 INFO L168 Benchmark]: Toolchain (without parser) took 824640.02 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -450.4 MB). Free memory was 1.4 GB in the beginning and 884.2 MB in the end (delta: 557.8 MB). Peak memory consumption was 206.7 MB. Max. memory is 7.1 GB. [2018-10-01 02:39:54,097 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:39:54,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:39:54,097 INFO L168 Benchmark]: Boogie Preprocessor took 19.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:39:54,098 INFO L168 Benchmark]: RCFGBuilder took 272.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 02:39:54,098 INFO L168 Benchmark]: CodeCheck took 824300.26 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -450.4 MB). Free memory was 1.4 GB in the beginning and 884.2 MB in the end (delta: 536.7 MB). Peak memory consumption was 185.6 MB. Max. memory is 7.1 GB. [2018-10-01 02:39:54,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 575 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 272.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 824300.26 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -450.4 MB). Free memory was 1.4 GB in the beginning and 884.2 MB in the end (delta: 536.7 MB). Peak memory consumption was 185.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_02-39-54-108.csv Completed graceful shutdown