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/Luxembourg-ArraysIntegefied.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:22:59,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:22:59,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:22:59,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:22:59,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:22:59,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:22:59,450 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:22:59,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:22:59,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:22:59,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:22:59,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:22:59,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:22:59,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:22:59,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:22:59,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:22:59,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:22:59,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:22:59,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:22:59,470 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:22:59,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:22:59,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:22:59,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:22:59,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:22:59,484 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:22:59,484 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:22:59,490 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:22:59,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:22:59,492 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:22:59,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:22:59,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:22:59,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:22:59,496 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:22:59,496 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:22:59,496 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:22:59,497 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:22:59,498 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:22:59,498 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 [2018-10-04 10:22:59,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:22:59,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:22:59,527 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:22:59,527 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:22:59,528 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:22:59,528 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:22:59,528 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:22:59,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:22:59,529 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:22:59,529 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:22:59,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:22:59,529 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:22:59,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:22:59,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:22:59,530 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:22:59,530 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:22:59,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:22:59,531 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:22:59,531 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:22:59,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:22:59,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:22:59,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:22:59,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:22:59,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:22:59,532 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:22:59,532 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:22:59,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:22:59,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:22:59,533 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:22:59,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:22:59,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:22:59,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:22:59,620 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:22:59,621 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:22:59,621 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl [2018-10-04 10:22:59,622 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl' [2018-10-04 10:22:59,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:22:59,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:22:59,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:22:59,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:22:59,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:22:59,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,706 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:22:59,706 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:22:59,706 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:22:59,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:22:59,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:22:59,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:22:59,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:22:59,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (1/1) ... [2018-10-04 10:22:59,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:22:59,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:22:59,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:22:59,731 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:22:59,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:22:59" (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 [2018-10-04 10:22:59,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 10:22:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 10:22:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 10:23:00,354 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:23:00,354 INFO L202 PluginConnector]: Adding new model Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:23:00 BoogieIcfgContainer [2018-10-04 10:23:00,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:23:00,355 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:23:00,355 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:23:00,372 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:23:00,373 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:23:00" (1/1) ... [2018-10-04 10:23:00,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:23:00,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-04 10:23:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 10:23:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:23:00,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-04 10:23:00,620 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-04 10:23:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:23:00,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-10-04 10:23:01,492 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-10-04 10:23:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:23:01,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:02,161 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-10-04 10:23:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:02,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 9 states and 16 transitions. [2018-10-04 10:23:02,299 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 16 transitions. [2018-10-04 10:23:02,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:23:02,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-10-04 10:23:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-10-04 10:23:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:23:02,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:03,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 11 states and 20 transitions. [2018-10-04 10:23:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 20 transitions. [2018-10-04 10:23:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:23:03,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2018-10-04 10:23:03,909 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2018-10-04 10:23:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:23:03,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:04,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-10-04 10:23:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-10-04 10:23:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:23:04,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 14 states and 26 transitions. [2018-10-04 10:23:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 26 transitions. [2018-10-04 10:23:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:23:05,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2018-10-04 10:23:05,639 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2018-10-04 10:23:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:23:05,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:06,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:06,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 16 states and 30 transitions. [2018-10-04 10:23:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 30 transitions. [2018-10-04 10:23:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:23:06,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:07,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:07,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 32 transitions. [2018-10-04 10:23:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 32 transitions. [2018-10-04 10:23:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:23:07,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-10-04 10:23:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-10-04 10:23:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:23:07,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2018-10-04 10:23:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2018-10-04 10:23:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:23:08,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:09,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-10-04 10:23:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-10-04 10:23:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:23:09,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2018-10-04 10:23:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2018-10-04 10:23:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:23:11,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 22 states and 42 transitions. [2018-10-04 10:23:12,692 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 42 transitions. [2018-10-04 10:23:12,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:23:12,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-10-04 10:23:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-10-04 10:23:13,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:23:13,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:14,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 24 states and 46 transitions. [2018-10-04 10:23:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 46 transitions. [2018-10-04 10:23:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:23:14,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-04 10:23:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-04 10:23:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:23:16,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2018-10-04 10:23:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2018-10-04 10:23:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:23:17,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-10-04 10:23:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-10-04 10:23:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:23:19,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 54 transitions. [2018-10-04 10:23:20,193 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 54 transitions. [2018-10-04 10:23:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 10:23:20,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:20,460 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2018-10-04 10:23:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2018-10-04 10:23:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:23:20,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:21,530 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2018-10-04 10:23:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2018-10-04 10:23:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:23:22,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:23,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-10-04 10:23:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-10-04 10:23:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:23:23,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2018-10-04 10:23:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2018-10-04 10:23:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:23:24,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-10-04 10:23:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-10-04 10:23:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:23:26,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2018-10-04 10:23:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2018-10-04 10:23:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 10:23:27,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 68 transitions. [2018-10-04 10:23:28,412 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 68 transitions. [2018-10-04 10:23:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:23:28,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2018-10-04 10:23:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2018-10-04 10:23:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:23:30,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2018-10-04 10:23:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2018-10-04 10:23:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:23:31,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:32,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2018-10-04 10:23:32,989 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2018-10-04 10:23:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 10:23:32,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2018-10-04 10:23:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2018-10-04 10:23:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:23:34,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:35,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2018-10-04 10:23:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2018-10-04 10:23:35,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 10:23:35,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:36,216 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2018-10-04 10:23:37,254 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2018-10-04 10:23:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:23:37,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2018-10-04 10:23:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2018-10-04 10:23:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:23:38,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:39,026 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 84 transitions. [2018-10-04 10:23:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2018-10-04 10:23:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:23:40,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:41,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:41,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2018-10-04 10:23:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2018-10-04 10:23:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 10:23:41,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2018-10-04 10:23:43,219 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2018-10-04 10:23:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:23:43,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:44,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2018-10-04 10:23:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2018-10-04 10:23:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 10:23:44,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2018-10-04 10:23:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2018-10-04 10:23:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:23:45,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:47,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:47,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2018-10-04 10:23:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2018-10-04 10:23:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:23:47,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2018-10-04 10:23:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2018-10-04 10:23:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:23:48,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 50 states and 98 transitions. [2018-10-04 10:23:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 98 transitions. [2018-10-04 10:23:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:23:49,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:51,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 100 transitions. [2018-10-04 10:23:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 100 transitions. [2018-10-04 10:23:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:23:51,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:53,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:53,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 102 transitions. [2018-10-04 10:23:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 102 transitions. [2018-10-04 10:23:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 10:23:53,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2018-10-04 10:23:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2018-10-04 10:23:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:23:54,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:56,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2018-10-04 10:23:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2018-10-04 10:23:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:23:56,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:58,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 55 states and 108 transitions. [2018-10-04 10:23:58,333 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2018-10-04 10:23:58,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:23:58,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 56 states and 110 transitions. [2018-10-04 10:23:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 110 transitions. [2018-10-04 10:23:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:23:59,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2018-10-04 10:24:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2018-10-04 10:24:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:24:01,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-04 10:24:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-04 10:24:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:24:03,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-10-04 10:24:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-10-04 10:24:04,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:24:04,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 60 states and 118 transitions. [2018-10-04 10:24:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 118 transitions. [2018-10-04 10:24:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:24:06,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 61 states and 120 transitions. [2018-10-04 10:24:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 120 transitions. [2018-10-04 10:24:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:24:07,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 122 transitions. [2018-10-04 10:24:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2018-10-04 10:24:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 10:24:09,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:10,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:10,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2018-10-04 10:24:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2018-10-04 10:24:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:24:10,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2018-10-04 10:24:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2018-10-04 10:24:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 10:24:13,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 65 states and 128 transitions. [2018-10-04 10:24:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2018-10-04 10:24:15,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:24:15,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 130 transitions. [2018-10-04 10:24:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 130 transitions. [2018-10-04 10:24:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:24:17,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2018-10-04 10:24:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2018-10-04 10:24:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:24:19,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:21,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 68 states and 134 transitions. [2018-10-04 10:24:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 134 transitions. [2018-10-04 10:24:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 10:24:21,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 69 states and 136 transitions. [2018-10-04 10:24:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 136 transitions. [2018-10-04 10:24:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:24:24,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 138 transitions. [2018-10-04 10:24:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2018-10-04 10:24:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 10:24:26,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 140 transitions. [2018-10-04 10:24:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 140 transitions. [2018-10-04 10:24:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:24:28,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-10-04 10:24:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-10-04 10:24:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 10:24:30,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 144 transitions. [2018-10-04 10:24:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 144 transitions. [2018-10-04 10:24:32,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:24:32,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 74 states and 146 transitions. [2018-10-04 10:24:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2018-10-04 10:24:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 10:24:34,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 75 states and 148 transitions. [2018-10-04 10:24:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 148 transitions. [2018-10-04 10:24:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:24:36,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2018-10-04 10:24:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2018-10-04 10:24:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 10:24:38,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:39,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2018-10-04 10:24:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2018-10-04 10:24:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:24:40,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:41,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 154 transitions. [2018-10-04 10:24:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 154 transitions. [2018-10-04 10:24:43,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 10:24:43,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 79 states and 156 transitions. [2018-10-04 10:24:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 156 transitions. [2018-10-04 10:24:45,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 10:24:45,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 80 states and 158 transitions. [2018-10-04 10:24:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2018-10-04 10:24:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 10:24:47,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 81 states and 160 transitions. [2018-10-04 10:24:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 160 transitions. [2018-10-04 10:24:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:24:49,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 82 states and 162 transitions. [2018-10-04 10:24:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 162 transitions. [2018-10-04 10:24:51,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 10:24:51,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 83 states and 164 transitions. [2018-10-04 10:24:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 164 transitions. [2018-10-04 10:24:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:24:54,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:55,367 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 12 [2018-10-04 10:24:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 84 states and 166 transitions. [2018-10-04 10:24:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2018-10-04 10:24:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 10:24:56,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:24:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:24:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2018-10-04 10:24:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2018-10-04 10:24:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:24:59,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:24:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:24:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 170 transitions. [2018-10-04 10:25:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2018-10-04 10:25:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 10:25:01,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 87 states and 172 transitions. [2018-10-04 10:25:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 172 transitions. [2018-10-04 10:25:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:25:03,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 88 states and 174 transitions. [2018-10-04 10:25:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 174 transitions. [2018-10-04 10:25:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 10:25:06,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2018-10-04 10:25:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2018-10-04 10:25:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:25:08,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:11,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-10-04 10:25:11,254 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-10-04 10:25:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 10:25:11,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 91 states and 180 transitions. [2018-10-04 10:25:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 180 transitions. [2018-10-04 10:25:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:25:13,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2018-10-04 10:25:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2018-10-04 10:25:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 10:25:16,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2018-10-04 10:25:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2018-10-04 10:25:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:25:18,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:21,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2018-10-04 10:25:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2018-10-04 10:25:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 10:25:21,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:22,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 95 states and 188 transitions. [2018-10-04 10:25:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 188 transitions. [2018-10-04 10:25:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 10:25:23,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:25,877 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-10-04 10:25:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 96 states and 190 transitions. [2018-10-04 10:25:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 190 transitions. [2018-10-04 10:25:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 10:25:26,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:29,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 97 states and 192 transitions. [2018-10-04 10:25:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 192 transitions. [2018-10-04 10:25:29,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:25:29,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 98 states and 194 transitions. [2018-10-04 10:25:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 194 transitions. [2018-10-04 10:25:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 10:25:32,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:35,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 99 states and 196 transitions. [2018-10-04 10:25:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 196 transitions. [2018-10-04 10:25:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 10:25:35,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 198 transitions. [2018-10-04 10:25:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 198 transitions. [2018-10-04 10:25:37,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 10:25:37,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:40,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:40,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 200 transitions. [2018-10-04 10:25:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-10-04 10:25:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 10:25:40,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 102 states and 202 transitions. [2018-10-04 10:25:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 202 transitions. [2018-10-04 10:25:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 10:25:43,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 103 states and 204 transitions. [2018-10-04 10:25:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 204 transitions. [2018-10-04 10:25:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 10:25:46,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 104 states and 206 transitions. [2018-10-04 10:25:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 206 transitions. [2018-10-04 10:25:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 10:25:49,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:51,483 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-10-04 10:25:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 105 states and 208 transitions. [2018-10-04 10:25:52,458 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 208 transitions. [2018-10-04 10:25:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 10:25:52,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:55,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 106 states and 210 transitions. [2018-10-04 10:25:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 210 transitions. [2018-10-04 10:25:55,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 10:25:55,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:25:58,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 107 states and 212 transitions. [2018-10-04 10:25:58,317 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 212 transitions. [2018-10-04 10:25:58,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 10:25:58,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 108 states and 214 transitions. [2018-10-04 10:26:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 214 transitions. [2018-10-04 10:26:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-04 10:26:01,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:02,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 109 states and 216 transitions. [2018-10-04 10:26:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 216 transitions. [2018-10-04 10:26:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 10:26:04,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 110 states and 218 transitions. [2018-10-04 10:26:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 218 transitions. [2018-10-04 10:26:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-04 10:26:07,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 111 states and 220 transitions. [2018-10-04 10:26:10,955 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 220 transitions. [2018-10-04 10:26:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 10:26:10,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:13,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 112 states and 222 transitions. [2018-10-04 10:26:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 222 transitions. [2018-10-04 10:26:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-04 10:26:13,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 113 states and 224 transitions. [2018-10-04 10:26:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 224 transitions. [2018-10-04 10:26:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 10:26:17,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:20,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 114 states and 226 transitions. [2018-10-04 10:26:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 226 transitions. [2018-10-04 10:26:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-04 10:26:20,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 115 states and 228 transitions. [2018-10-04 10:26:23,596 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 228 transitions. [2018-10-04 10:26:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 10:26:23,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 116 states and 230 transitions. [2018-10-04 10:26:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2018-10-04 10:26:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-04 10:26:26,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 117 states and 232 transitions. [2018-10-04 10:26:30,168 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 232 transitions. [2018-10-04 10:26:30,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 10:26:30,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 118 states and 234 transitions. [2018-10-04 10:26:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 234 transitions. [2018-10-04 10:26:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-04 10:26:33,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:37,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:37,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 119 states and 236 transitions. [2018-10-04 10:26:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 236 transitions. [2018-10-04 10:26:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-04 10:26:37,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:40,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 120 states and 238 transitions. [2018-10-04 10:26:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 238 transitions. [2018-10-04 10:26:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-04 10:26:40,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 121 states and 240 transitions. [2018-10-04 10:26:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 240 transitions. [2018-10-04 10:26:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 10:26:43,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 122 states and 242 transitions. [2018-10-04 10:26:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 242 transitions. [2018-10-04 10:26:47,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-04 10:26:47,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 123 states and 244 transitions. [2018-10-04 10:26:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 244 transitions. [2018-10-04 10:26:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 10:26:50,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:54,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:54,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 124 states and 246 transitions. [2018-10-04 10:26:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 246 transitions. [2018-10-04 10:26:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-04 10:26:54,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:26:58,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:26:58,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 125 states and 248 transitions. [2018-10-04 10:26:58,111 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 248 transitions. [2018-10-04 10:26:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-04 10:26:58,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:26:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:26:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:27:01,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:27:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 126 states and 250 transitions. [2018-10-04 10:27:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 250 transitions. [2018-10-04 10:27:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-04 10:27:01,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:27:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:27:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 10:27:03,122 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:27:03,124 INFO L168 Benchmark]: Toolchain (without parser) took 243456.62 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 264.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-04 10:27:03,125 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:27:03,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:27:03,126 INFO L168 Benchmark]: Boogie Preprocessor took 20.63 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:27:03,126 INFO L168 Benchmark]: RCFGBuilder took 624.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. [2018-10-04 10:27:03,127 INFO L168 Benchmark]: CodeCheck took 242767.98 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-04 10:27:03,130 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 958 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.63 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 624.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 242767.98 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.0 MB). Peak memory consumption was 2.2 GB. 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/Luxembourg-ArraysIntegefied.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-27-03-142.csv Completed graceful shutdown