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 0.1.23-133090d [2018-10-04 10:19:23,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:19:23,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:19:23,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:19:23,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:19:23,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:19:23,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:19:23,069 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:19:23,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:19:23,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:19:23,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:19:23,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:19:23,073 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:19:23,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:19:23,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:19:23,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:19:23,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:19:23,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:19:23,081 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:19:23,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:19:23,084 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:19:23,085 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:19:23,087 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:19:23,088 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:19:23,088 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:19:23,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:19:23,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:19:23,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:19:23,091 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:19:23,092 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:19:23,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:19:23,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:19:23,094 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:19:23,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:19:23,095 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:19:23,096 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:19:23,096 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 10:19:23,116 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:19:23,116 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:19:23,117 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:19:23,117 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:19:23,119 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:19:23,119 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:19:23,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:19:23,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:19:23,120 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:19:23,120 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:19:23,120 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:19:23,121 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:19:23,121 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:19:23,121 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:19:23,121 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:19:23,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:19:23,122 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:19:23,122 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:19:23,122 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:19:23,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:19:23,123 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:19:23,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:19:23,123 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:19:23,123 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:19:23,123 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:19:23,124 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:19:23,125 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:19:23,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:19:23,126 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:19:23,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:19:23,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:19:23,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:19:23,204 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:19:23,204 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:19:23,205 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-10-04 10:19:23,206 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-10-04 10:19:23,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:19:23,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:19:23,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:19:23,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:19:23,260 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:19:23,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,300 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:19:23,300 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:19:23,300 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:19:23,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:19:23,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:19:23,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:19:23,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:19:23,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:19:23,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:19:23,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:19:23,331 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:19:23,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:19:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:19:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-10-04 10:19:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-10-04 10:19:23,642 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:19:23,644 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:19:23 BoogieIcfgContainer [2018-10-04 10:19:23,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:19:23,645 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:19:23,645 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:19:23,656 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:19:23,657 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:19:23" (1/1) ... [2018-10-04 10:19:23,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:19:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-04 10:19:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-04 10:19:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 10:19:23,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 10:19:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 10:19:24,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:19:24,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:24,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-10-04 10:19:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-10-04 10:19:24,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:19:24,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-04 10:19:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-04 10:19:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:19:24,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-10-04 10:19:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-10-04 10:19:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:19:25,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:25,815 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-04 10:19:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-04 10:19:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-04 10:19:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:19:25,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-04 10:19:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-04 10:19:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:19:26,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-10-04 10:19:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-10-04 10:19:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:19:26,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-10-04 10:19:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-10-04 10:19:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:19:27,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:27,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-10-04 10:19:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-10-04 10:19:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:19:27,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-10-04 10:19:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-10-04 10:19:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:19:27,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-04 10:19:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-04 10:19:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:19:28,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:28,789 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-04 10:19:28,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-10-04 10:19:28,810 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-10-04 10:19:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:19:28,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-10-04 10:19:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-10-04 10:19:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:19:29,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-10-04 10:19:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-10-04 10:19:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:19:29,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-10-04 10:19:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-10-04 10:19:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:19:30,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:30,529 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:31,101 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-04 10:19:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-10-04 10:19:31,328 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-10-04 10:19:31,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:19:31,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-10-04 10:19:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-10-04 10:19:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:19:31,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:32,650 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-04 10:19:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-10-04 10:19:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-10-04 10:19:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:19:32,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:33,062 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-04 10:19:33,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:33,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-10-04 10:19:33,376 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-10-04 10:19:33,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:19:33,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:34,707 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-04 10:19:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-10-04 10:19:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-10-04 10:19:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:19:34,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:35,460 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-04 10:19:35,750 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 10:19:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-10-04 10:19:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-10-04 10:19:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:19:35,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:36,857 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-04 10:19:37,627 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-04 10:19:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-10-04 10:19:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-10-04 10:19:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:19:37,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:38,554 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-04 10:19:39,365 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-10-04 10:19:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-10-04 10:19:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-10-04 10:19:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 10:19:39,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:40,021 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 10:19:40,455 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 10:19:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:40,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-10-04 10:19:40,478 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-10-04 10:19:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:19:40,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:40,675 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:41,106 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-04 10:19:41,505 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-04 10:19:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-10-04 10:19:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-10-04 10:19:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:19:41,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:41,731 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:42,118 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-04 10:19:42,541 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-04 10:19:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:42,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-10-04 10:19:42,567 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-10-04 10:19:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:19:42,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:43,209 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 10:19:43,622 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-04 10:19:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-10-04 10:19:43,673 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-10-04 10:19:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:19:43,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:44,378 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 10:19:45,241 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 10:19:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-10-04 10:19:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-10-04 10:19:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:19:45,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:46,432 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-04 10:19:47,359 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-04 10:19:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-10-04 10:19:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-10-04 10:19:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 10:19:47,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:48,743 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-04 10:19:49,265 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-04 10:19:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-10-04 10:19:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-10-04 10:19:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:19:49,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:50,236 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 10:19:50,775 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-04 10:19:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-10-04 10:19:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-10-04 10:19:50,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:19:50,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:51,567 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-04 10:19:52,388 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 10:19:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-10-04 10:19:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-10-04 10:19:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:19:52,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:54,138 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-10-04 10:19:54,709 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-10-04 10:19:54,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-10-04 10:19:54,741 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-10-04 10:19:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 10:19:54,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:55,425 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-10-04 10:19:56,033 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-10-04 10:19:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-10-04 10:19:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-10-04 10:19:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:19:56,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:57,110 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-04 10:19:57,740 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 10:19:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-10-04 10:19:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-10-04 10:19:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 10:19:57,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:58,632 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-10-04 10:19:59,317 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-10-04 10:19:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-10-04 10:19:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-10-04 10:19:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:19:59,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:00,253 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-10-04 10:20:00,961 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-10-04 10:20:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-10-04 10:20:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-10-04 10:20:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:20:01,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:02,413 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-10-04 10:20:03,217 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-10-04 10:20:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-10-04 10:20:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-10-04 10:20:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:20:03,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:04,157 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-04 10:20:04,928 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-04 10:20:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-10-04 10:20:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-10-04 10:20:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 10:20:04,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:05,867 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-10-04 10:20:06,716 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-10-04 10:20:06,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-10-04 10:20:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-10-04 10:20:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:20:06,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:07,800 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-10-04 10:20:08,630 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-10-04 10:20:08,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-10-04 10:20:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-10-04 10:20:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 10:20:08,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:11,129 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-04 10:20:12,118 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-10-04 10:20:12,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:12,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-10-04 10:20:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-10-04 10:20:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:20:12,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:13,153 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-10-04 10:20:14,041 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-04 10:20:14,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-10-04 10:20:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-10-04 10:20:14,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:20:14,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:15,529 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-10-04 10:20:16,478 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-10-04 10:20:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-10-04 10:20:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-10-04 10:20:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:20:16,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:17,840 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-04 10:20:18,798 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-10-04 10:20:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-10-04 10:20:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-10-04 10:20:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:20:18,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:20,105 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-04 10:20:21,099 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-04 10:20:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-10-04 10:20:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-10-04 10:20:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:20:21,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:22,394 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-10-04 10:20:23,451 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-10-04 10:20:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-10-04 10:20:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-10-04 10:20:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 10:20:23,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:24,632 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-10-04 10:20:25,690 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-10-04 10:20:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-10-04 10:20:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-10-04 10:20:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:20:25,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:27,185 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-10-04 10:20:28,405 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-10-04 10:20:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-10-04 10:20:28,444 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-10-04 10:20:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:20:28,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:29,740 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-04 10:20:30,932 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-04 10:20:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-10-04 10:20:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-10-04 10:20:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:20:30,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:33,249 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-10-04 10:20:34,449 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-10-04 10:20:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-10-04 10:20:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-10-04 10:20:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:20:34,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:35,898 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-10-04 10:20:37,144 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-10-04 10:20:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-10-04 10:20:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-10-04 10:20:37,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:20:37,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:38,759 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-04 10:20:40,077 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-04 10:20:40,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-10-04 10:20:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-10-04 10:20:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:20:40,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:42,276 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-10-04 10:20:43,608 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-04 10:20:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-10-04 10:20:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-10-04 10:20:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:20:43,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:45,051 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-10-04 10:20:46,415 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-10-04 10:20:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-10-04 10:20:46,448 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-10-04 10:20:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:20:46,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:48,008 WARN L178 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-10-04 10:20:49,402 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-04 10:20:49,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-10-04 10:20:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-10-04 10:20:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:20:49,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:50,901 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-04 10:20:52,365 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-04 10:20:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-10-04 10:20:52,401 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-10-04 10:20:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 10:20:52,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:54,083 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-10-04 10:20:55,535 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-10-04 10:20:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-10-04 10:20:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-10-04 10:20:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:20:55,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:20:57,296 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-10-04 10:20:58,883 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-10-04 10:20:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:20:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-10-04 10:20:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-10-04 10:20:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 10:20:58,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:20:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:20:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:00,689 WARN L178 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-04 10:21:02,233 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-10-04 10:21:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-10-04 10:21:02,271 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-10-04 10:21:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:21:02,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:03,976 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-04 10:21:05,619 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-04 10:21:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-10-04 10:21:05,657 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-10-04 10:21:05,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:21:05,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:07,449 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-10-04 10:21:09,143 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-10-04 10:21:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:09,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-10-04 10:21:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-10-04 10:21:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:21:09,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:10,974 WARN L178 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-10-04 10:21:12,682 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-10-04 10:21:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:12,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-10-04 10:21:12,722 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-10-04 10:21:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 10:21:12,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:16,255 WARN L178 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-04 10:21:18,037 WARN L178 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-10-04 10:21:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-10-04 10:21:18,077 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-10-04 10:21:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:21:18,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:20,242 WARN L178 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-10-04 10:21:22,110 WARN L178 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-04 10:21:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-10-04 10:21:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-10-04 10:21:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 10:21:22,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:24,199 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-10-04 10:21:26,084 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-10-04 10:21:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-10-04 10:21:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-10-04 10:21:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:21:26,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:28,199 WARN L178 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-10-04 10:21:30,103 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-10-04 10:21:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-10-04 10:21:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-10-04 10:21:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 10:21:30,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:32,119 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-04 10:21:34,159 WARN L178 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-04 10:21:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-10-04 10:21:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-10-04 10:21:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:21:34,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:36,339 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-10-04 10:21:38,322 WARN L178 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-10-04 10:21:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-10-04 10:21:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-10-04 10:21:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 10:21:38,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:40,645 WARN L178 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-10-04 10:21:42,681 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-10-04 10:21:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-10-04 10:21:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-10-04 10:21:42,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:21:42,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:45,037 WARN L178 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-04 10:21:47,141 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-10-04 10:21:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-10-04 10:21:47,181 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-10-04 10:21:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 10:21:47,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:50,136 WARN L178 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-10-04 10:21:52,350 WARN L178 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-04 10:21:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:52,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-10-04 10:21:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-10-04 10:21:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:21:52,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:53,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:21:55,401 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-10-04 10:21:57,607 WARN L178 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-10-04 10:21:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-10-04 10:21:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-10-04 10:21:57,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 10:21:57,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:59,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:00,834 WARN L178 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-10-04 10:22:03,194 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-10-04 10:22:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-10-04 10:22:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-10-04 10:22:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 10:22:03,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:06,782 WARN L178 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-04 10:22:09,084 WARN L178 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-10-04 10:22:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-10-04 10:22:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-10-04 10:22:09,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 10:22:09,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:11,590 WARN L178 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-10-04 10:22:13,964 WARN L178 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-10-04 10:22:14,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-10-04 10:22:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-10-04 10:22:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:22:14,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:17,251 WARN L178 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-10-04 10:22:19,716 WARN L178 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-10-04 10:22:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-10-04 10:22:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-10-04 10:22:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 10:22:19,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:22,351 WARN L178 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-10-04 10:22:24,869 WARN L178 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-10-04 10:22:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:24,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-10-04 10:22:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-10-04 10:22:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:22:24,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:27,603 WARN L178 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-10-04 10:22:30,218 WARN L178 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-10-04 10:22:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:30,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-10-04 10:22:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-10-04 10:22:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 10:22:30,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:32,955 WARN L178 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-10-04 10:22:35,674 WARN L178 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-10-04 10:22:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-10-04 10:22:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-10-04 10:22:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:22:35,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:38,472 WARN L178 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-10-04 10:22:41,201 WARN L178 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-10-04 10:22:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:41,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-10-04 10:22:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-10-04 10:22:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 10:22:41,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:44,060 WARN L178 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-10-04 10:22:46,879 WARN L178 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-10-04 10:22:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-10-04 10:22:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-10-04 10:22:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:22:46,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:49,784 WARN L178 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-10-04 10:22:52,641 WARN L178 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-10-04 10:22:52,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-10-04 10:22:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-10-04 10:22:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 10:22:52,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:22:55,806 WARN L178 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-10-04 10:22:58,663 WARN L178 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-10-04 10:22:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-10-04 10:22:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-10-04 10:22:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:22:58,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:01,657 WARN L178 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-10-04 10:23:04,528 WARN L178 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-10-04 10:23:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-10-04 10:23:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-10-04 10:23:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 10:23:04,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:07,678 WARN L178 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-10-04 10:23:10,646 WARN L178 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-10-04 10:23:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-10-04 10:23:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-10-04 10:23:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:23:10,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:13,821 WARN L178 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-10-04 10:23:16,910 WARN L178 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-10-04 10:23:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:16,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-10-04 10:23:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-10-04 10:23:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 10:23:16,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:20,064 WARN L178 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-10-04 10:23:23,161 WARN L178 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-10-04 10:23:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-10-04 10:23:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-10-04 10:23:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:23:23,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:26,474 WARN L178 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-10-04 10:23:29,662 WARN L178 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-10-04 10:23:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-10-04 10:23:29,716 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-10-04 10:23:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 10:23:29,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:23:32,982 WARN L178 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2018-10-04 10:23:36,245 WARN L178 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-10-04 10:23:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:23:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 94 states and 185 transitions. [2018-10-04 10:23:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 185 transitions. [2018-10-04 10:23:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 10:23:36,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:23:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 10:23:38,512 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:23:38,515 INFO L168 Benchmark]: Toolchain (without parser) took 255257.11 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -135.3 MB). Free memory was 1.5 GB in the beginning and 947.8 MB in the end (delta: 527.8 MB). Peak memory consumption was 392.6 MB. Max. memory is 7.1 GB. [2018-10-04 10:23:38,516 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:23:38,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:23:38,517 INFO L168 Benchmark]: Boogie Preprocessor took 26.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:23:38,517 INFO L168 Benchmark]: RCFGBuilder took 313.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:23:38,518 INFO L168 Benchmark]: CodeCheck took 254869.87 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -135.3 MB). Free memory was 1.5 GB in the beginning and 947.8 MB in the end (delta: 506.7 MB). Peak memory consumption was 371.4 MB. Max. memory is 7.1 GB. [2018-10-04 10:23:38,520 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 362 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.58 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 26.68 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 313.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 254869.87 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -135.3 MB). Free memory was 1.5 GB in the beginning and 947.8 MB in the end (delta: 506.7 MB). Peak memory consumption was 371.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-23-38-531.csv Completed graceful shutdown