java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:25:36,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:25:36,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:25:36,488 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:25:36,488 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:25:36,489 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:25:36,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:25:36,492 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:25:36,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:25:36,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:25:36,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:25:36,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:25:36,497 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:25:36,498 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:25:36,499 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:25:36,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:25:36,501 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:25:36,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:25:36,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:25:36,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:25:36,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:25:36,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:25:36,511 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:25:36,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:25:36,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:25:36,515 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:25:36,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:25:36,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:25:36,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:25:36,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:25:36,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:25:36,524 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:25:36,524 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:25:36,525 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:25:36,529 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:25:36,529 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:25:36,530 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 [2018-09-26 22:25:36,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:25:36,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:25:36,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:25:36,561 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:25:36,566 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:25:36,566 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:25:36,567 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:25:36,567 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:25:36,567 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:25:36,567 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:25:36,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:25:36,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:25:36,568 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:25:36,568 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:25:36,568 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:25:36,568 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:25:36,569 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:25:36,569 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:25:36,570 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:25:36,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:25:36,570 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:25:36,570 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:25:36,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:25:36,571 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:25:36,571 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:25:36,571 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:25:36,571 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:25:36,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:25:36,572 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:25:36,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:25:36,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:25:36,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:25:36,647 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:25:36,647 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:25:36,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-09-26 22:25:36,649 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-09-26 22:25:36,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:25:36,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:25:36,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:25:36,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:25:36,706 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:25:36,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,746 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:25:36,747 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:25:36,747 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:25:36,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:25:36,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:25:36,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:25:36,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:25:36,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:36,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:25:36,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:25:36,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:25:36,771 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:25:36,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:36" (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 [2018-09-26 22:25:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-09-26 22:25:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-09-26 22:25:36,990 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:25:36,991 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:25:36 BoogieIcfgContainer [2018-09-26 22:25:36,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:25:36,991 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:25:36,991 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:25:37,000 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:25:37,001 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:25:36" (1/1) ... [2018-09-26 22:25:37,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:25:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-26 22:25:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-26 22:25:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 22:25:37,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:37,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-26 22:25:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-26 22:25:37,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:25:37,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-09-26 22:25:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-09-26 22:25:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:25:37,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-26 22:25:38,199 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-26 22:25:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:25:38,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-09-26 22:25:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-09-26 22:25:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:25:38,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:39,171 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-26 22:25:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-26 22:25:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-26 22:25:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:25:39,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:39,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-26 22:25:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-26 22:25:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:25:39,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-09-26 22:25:40,056 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-09-26 22:25:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:25:40,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-09-26 22:25:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-09-26 22:25:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:25:40,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-09-26 22:25:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-09-26 22:25:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:25:40,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-09-26 22:25:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-09-26 22:25:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:25:41,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-26 22:25:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-26 22:25:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:25:41,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:42,279 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-09-26 22:25:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-09-26 22:25:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-09-26 22:25:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:25:42,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-09-26 22:25:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-09-26 22:25:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:25:42,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:43,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-09-26 22:25:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-09-26 22:25:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:25:43,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:43,971 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-09-26 22:25:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-09-26 22:25:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-09-26 22:25:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:25:43,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-09-26 22:25:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-09-26 22:25:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:25:44,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:45,284 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-09-26 22:25:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-09-26 22:25:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-09-26 22:25:45,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:25:45,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:46,208 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-26 22:25:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-09-26 22:25:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-09-26 22:25:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:25:46,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:46,340 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:46,590 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-09-26 22:25:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-09-26 22:25:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-09-26 22:25:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:25:46,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:47,064 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:47,300 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-26 22:25:48,212 WARN L178 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-09-26 22:25:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-09-26 22:25:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-09-26 22:25:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:25:48,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:49,056 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-26 22:25:49,405 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-26 22:25:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-09-26 22:25:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-09-26 22:25:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:25:49,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:50,127 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-26 22:25:51,154 WARN L178 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-26 22:25:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-09-26 22:25:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-09-26 22:25:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:25:51,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:52,151 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 22:25:53,103 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-09-26 22:25:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:53,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-09-26 22:25:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-09-26 22:25:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:25:53,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:53,300 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:53,684 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:25:54,226 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 22:25:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-09-26 22:25:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-09-26 22:25:54,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:25:54,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:55,724 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-26 22:25:56,106 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-26 22:25:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-09-26 22:25:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-09-26 22:25:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:25:56,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:56,936 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-26 22:25:57,386 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-26 22:25:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-09-26 22:25:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-09-26 22:25:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:25:57,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:58,063 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-26 22:25:58,499 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 22:25:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-09-26 22:25:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-09-26 22:25:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:25:58,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:59,638 WARN L178 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-26 22:26:00,117 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-26 22:26:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-09-26 22:26:00,142 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-09-26 22:26:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:26:00,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:01,308 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 22:26:01,801 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-09-26 22:26:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-09-26 22:26:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-09-26 22:26:01,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:26:01,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:02,539 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-26 22:26:03,046 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-26 22:26:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-09-26 22:26:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-09-26 22:26:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:26:03,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:03,875 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-26 22:26:04,489 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-26 22:26:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:04,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-09-26 22:26:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-09-26 22:26:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:26:04,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:05,208 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 22:26:06,050 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-26 22:26:06,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-09-26 22:26:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-09-26 22:26:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:26:06,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:06,352 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:06,869 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-09-26 22:26:07,467 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-09-26 22:26:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-09-26 22:26:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-09-26 22:26:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:26:07,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:08,276 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-09-26 22:26:08,918 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-26 22:26:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-09-26 22:26:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-09-26 22:26:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:26:08,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:09,831 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 22:26:10,482 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 22:26:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-09-26 22:26:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-09-26 22:26:10,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:26:10,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:11,388 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-09-26 22:26:12,075 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-26 22:26:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-09-26 22:26:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-09-26 22:26:12,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:26:12,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:13,067 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-09-26 22:26:13,786 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-26 22:26:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-09-26 22:26:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-09-26 22:26:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:26:13,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:15,564 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-26 22:26:16,343 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-09-26 22:26:16,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-09-26 22:26:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-09-26 22:26:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:26:16,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:17,430 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-26 22:26:18,227 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-26 22:26:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-09-26 22:26:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-09-26 22:26:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:26:18,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:19,213 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-26 22:26:20,073 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-26 22:26:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-09-26 22:26:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-09-26 22:26:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:26:20,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:21,200 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-26 22:26:22,061 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-09-26 22:26:22,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-09-26 22:26:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-09-26 22:26:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:26:22,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:24,081 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-26 22:26:25,106 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-26 22:26:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-09-26 22:26:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-09-26 22:26:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:26:25,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:26,203 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-26 22:26:27,116 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-26 22:26:27,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-09-26 22:26:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-09-26 22:26:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:26:27,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:28,261 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-09-26 22:26:29,219 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-09-26 22:26:29,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-09-26 22:26:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-09-26 22:26:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:26:29,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:30,431 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-26 22:26:31,474 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-26 22:26:31,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:31,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-09-26 22:26:31,504 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-09-26 22:26:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:26:31,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:32,767 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-26 22:26:33,805 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-26 22:26:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-09-26 22:26:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-09-26 22:26:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:26:33,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:35,272 WARN L178 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-09-26 22:26:36,345 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-09-26 22:26:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-09-26 22:26:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-09-26 22:26:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:26:36,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:38,281 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-09-26 22:26:39,383 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 22:26:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-09-26 22:26:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-09-26 22:26:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:26:39,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:41,249 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-26 22:26:42,414 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-09-26 22:26:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-09-26 22:26:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-09-26 22:26:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 22:26:42,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:43,684 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-26 22:26:44,851 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-26 22:26:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-09-26 22:26:44,884 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-09-26 22:26:44,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:26:44,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:46,415 WARN L178 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-09-26 22:26:47,624 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-09-26 22:26:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-09-26 22:26:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-09-26 22:26:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:26:47,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:48,961 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-09-26 22:26:50,195 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-26 22:26:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-09-26 22:26:50,230 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-09-26 22:26:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:26:50,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:52,224 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 22:26:53,549 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-26 22:26:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-09-26 22:26:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-09-26 22:26:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 22:26:53,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:55,072 WARN L178 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-09-26 22:26:56,450 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-26 22:26:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-09-26 22:26:56,485 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-09-26 22:26:56,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:26:56,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:57,979 WARN L178 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-09-26 22:26:59,361 WARN L178 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-09-26 22:26:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-09-26 22:26:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-09-26 22:26:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 22:26:59,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:01,120 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-26 22:27:02,550 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-26 22:27:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-09-26 22:27:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-09-26 22:27:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:27:02,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:04,131 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-26 22:27:05,588 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-26 22:27:05,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-09-26 22:27:05,627 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-09-26 22:27:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 22:27:05,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:07,364 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-09-26 22:27:08,886 WARN L178 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-09-26 22:27:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-09-26 22:27:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-09-26 22:27:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:27:08,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:10,636 WARN L178 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-26 22:27:12,217 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-09-26 22:27:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:12,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-09-26 22:27:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-09-26 22:27:12,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-26 22:27:12,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:13,947 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-26 22:27:15,521 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-26 22:27:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-09-26 22:27:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-09-26 22:27:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:27:15,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:16,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:17,357 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-26 22:27:18,973 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-26 22:27:19,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-09-26 22:27:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-09-26 22:27:19,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 22:27:19,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:20,778 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-09-26 22:27:22,510 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-09-26 22:27:22,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:22,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-09-26 22:27:22,545 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-09-26 22:27:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:27:22,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:24,378 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-09-26 22:27:26,163 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-09-26 22:27:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-09-26 22:27:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-09-26 22:27:26,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-26 22:27:26,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:32,122 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-26 22:27:33,906 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-26 22:27:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-09-26 22:27:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-09-26 22:27:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:27:33,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:35,838 WARN L178 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-09-26 22:27:37,682 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-26 22:27:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-09-26 22:27:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-09-26 22:27:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 22:27:37,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:39,740 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-09-26 22:27:41,674 WARN L178 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-09-26 22:27:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-09-26 22:27:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-09-26 22:27:41,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:27:41,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:43,935 WARN L178 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-09-26 22:27:45,842 WARN L178 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-09-26 22:27:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-09-26 22:27:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-09-26 22:27:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 22:27:45,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:48,222 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-26 22:27:50,220 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-26 22:27:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-09-26 22:27:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-09-26 22:27:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:27:50,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:52,474 WARN L178 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-09-26 22:27:54,495 WARN L178 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-09-26 22:27:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-09-26 22:27:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-09-26 22:27:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 22:27:54,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:56,787 WARN L178 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-09-26 22:27:58,903 WARN L178 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-09-26 22:27:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-09-26 22:27:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-09-26 22:27:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:27:58,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:01,293 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-26 22:28:03,457 WARN L178 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-09-26 22:28:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-09-26 22:28:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-09-26 22:28:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-26 22:28:03,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:05,785 WARN L178 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-09-26 22:28:07,991 WARN L178 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 22:28:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:08,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-09-26 22:28:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-09-26 22:28:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:28:08,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:11,059 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-09-26 22:28:13,306 WARN L178 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-09-26 22:28:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-09-26 22:28:13,348 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-09-26 22:28:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-26 22:28:13,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:16,560 WARN L178 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-09-26 22:28:18,879 WARN L178 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-09-26 22:28:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-09-26 22:28:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-09-26 22:28:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 22:28:18,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:22,875 WARN L178 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-26 22:28:25,243 WARN L178 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-09-26 22:28:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:25,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-09-26 22:28:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-09-26 22:28:25,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-26 22:28:25,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:27,827 WARN L178 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-09-26 22:28:30,221 WARN L178 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-26 22:28:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-09-26 22:28:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-09-26 22:28:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 22:28:30,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:33,590 WARN L178 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-09-26 22:28:36,043 WARN L178 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-09-26 22:28:36,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-09-26 22:28:36,085 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-09-26 22:28:36,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-26 22:28:36,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:38,677 WARN L178 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-09-26 22:28:41,198 WARN L178 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-09-26 22:28:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-09-26 22:28:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-09-26 22:28:41,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:28:41,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:44,005 WARN L178 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-09-26 22:28:46,587 WARN L178 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-09-26 22:28:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:46,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-09-26 22:28:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-09-26 22:28:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-26 22:28:46,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:49,348 WARN L178 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-09-26 22:28:51,986 WARN L178 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-09-26 22:28:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-09-26 22:28:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-09-26 22:28:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:28:52,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:54,863 WARN L178 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-26 22:28:57,550 WARN L178 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-09-26 22:28:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-09-26 22:28:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-09-26 22:28:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-26 22:28:57,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:00,574 WARN L178 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-09-26 22:29:03,326 WARN L178 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-09-26 22:29:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-09-26 22:29:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-09-26 22:29:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:29:03,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:06,528 WARN L178 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-09-26 22:29:09,382 WARN L178 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-09-26 22:29:09,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-09-26 22:29:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-09-26 22:29:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-26 22:29:09,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:12,401 WARN L178 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-09-26 22:29:15,283 WARN L178 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-26 22:29:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-09-26 22:29:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-09-26 22:29:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:29:15,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:18,279 WARN L178 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-09-26 22:29:21,198 WARN L178 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-09-26 22:29:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-09-26 22:29:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-09-26 22:29:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-26 22:29:21,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:24,387 WARN L178 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-09-26 22:29:27,389 WARN L178 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-09-26 22:29:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-09-26 22:29:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-09-26 22:29:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 22:29:27,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:30,647 WARN L178 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-09-26 22:29:33,690 WARN L178 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-09-26 22:29:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-09-26 22:29:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-09-26 22:29:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 22:29:33,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:36,975 WARN L178 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-09-26 22:29:40,159 WARN L178 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-09-26 22:29:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-09-26 22:29:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-09-26 22:29:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:29:40,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:41,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:43,420 WARN L178 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-09-26 22:29:46,620 WARN L178 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-09-26 22:29:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-09-26 22:29:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-09-26 22:29:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-26 22:29:46,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:50,110 WARN L178 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 452 Received shutdown request... [2018-09-26 22:29:50,769 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:29:50,772 INFO L168 Benchmark]: Toolchain (without parser) took 254069.65 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -116.9 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 437.7 MB). Peak memory consumption was 320.7 MB. Max. memory is 7.1 GB. [2018-09-26 22:29:50,773 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-09-26 22:29:50,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.64 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. [2018-09-26 22:29:50,774 INFO L168 Benchmark]: Boogie Preprocessor took 20.50 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. [2018-09-26 22:29:50,774 INFO L168 Benchmark]: RCFGBuilder took 219.98 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. [2018-09-26 22:29:50,774 INFO L168 Benchmark]: CodeCheck took 253780.02 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -116.9 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 416.5 MB). Peak memory consumption was 299.6 MB. Max. memory is 7.1 GB. [2018-09-26 22:29:50,776 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 359 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 43.64 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 20.50 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 219.98 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 253780.02 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -116.9 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 416.5 MB). Peak memory consumption was 299.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-29-50-786.csv Completed graceful shutdown