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 0.1.23-00a8621 [2018-09-30 11:27:39,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:27:39,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:27:40,001 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:27:40,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:27:40,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:27:40,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:27:40,005 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:27:40,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:27:40,008 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:27:40,009 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:27:40,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:27:40,010 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:27:40,011 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:27:40,012 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:27:40,013 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:27:40,013 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:27:40,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:27:40,017 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:27:40,018 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:27:40,020 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:27:40,021 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:27:40,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:27:40,023 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:27:40,023 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:27:40,024 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:27:40,025 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:27:40,026 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:27:40,027 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:27:40,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:27:40,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:27:40,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:27:40,029 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:27:40,029 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:27:40,030 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:27:40,030 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:27:40,031 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 11:27:40,046 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:27:40,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:27:40,047 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:27:40,048 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:27:40,048 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:27:40,048 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:27:40,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:27:40,049 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:27:40,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:27:40,049 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:27:40,050 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:27:40,050 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:27:40,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:27:40,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:27:40,050 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:27:40,051 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:27:40,051 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:27:40,051 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:27:40,051 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:27:40,051 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:27:40,052 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:27:40,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:27:40,052 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:27:40,052 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:27:40,052 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:27:40,053 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:27:40,053 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:27:40,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:27:40,053 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:27:40,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:27:40,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:27:40,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:27:40,114 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:27:40,114 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:27:40,115 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-09-30 11:27:40,115 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-09-30 11:27:40,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:27:40,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:27:40,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:27:40,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:27:40,164 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:27:40,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,204 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 11:27:40,204 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 11:27:40,204 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 11:27:40,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:27:40,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:27:40,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:27:40,208 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:27:40,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:27:40,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:27:40,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:27:40,229 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:27:40,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:27:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:27:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-09-30 11:27:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-09-30 11:27:40,513 INFO L345 CfgBuilder]: Using library mode [2018-09-30 11:27:40,514 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:27:40 BoogieIcfgContainer [2018-09-30 11:27:40,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:27:40,515 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:27:40,516 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:27:40,527 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:27:40,527 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:27:40" (1/1) ... [2018-09-30 11:27:40,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:27:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-30 11:27:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-30 11:27:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 11:27:40,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:40,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-30 11:27:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-30 11:27:40,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 11:27:40,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-09-30 11:27:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-09-30 11:27:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:27:41,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-30 11:27:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-30 11:27:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:27:41,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-09-30 11:27:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-09-30 11:27:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:27:42,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:42,623 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-30 11:27:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:42,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-30 11:27:42,703 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-30 11:27:42,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:27:42,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:43,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-30 11:27:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-30 11:27:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:27:43,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-09-30 11:27:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-09-30 11:27:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:27:43,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-09-30 11:27:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-09-30 11:27:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:27:43,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-09-30 11:27:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-09-30 11:27:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:27:44,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-09-30 11:27:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-09-30 11:27:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:27:44,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-30 11:27:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-30 11:27:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:27:45,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:45,870 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-09-30 11:27:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-09-30 11:27:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-09-30 11:27:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:27:45,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:46,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-09-30 11:27:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-09-30 11:27:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 11:27:46,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-09-30 11:27:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-09-30 11:27:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:27:46,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-09-30 11:27:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-09-30 11:27:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:27:47,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-09-30 11:27:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-09-30 11:27:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:27:48,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:48,662 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-09-30 11:27:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-09-30 11:27:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-09-30 11:27:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 11:27:48,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:49,608 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-30 11:27:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-09-30 11:27:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-09-30 11:27:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:27:49,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:50,032 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-09-30 11:27:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-09-30 11:27:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-09-30 11:27:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 11:27:50,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:50,820 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-30 11:27:51,572 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-09-30 11:27:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:51,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-09-30 11:27:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-09-30 11:27:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:27:51,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:52,366 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-30 11:27:52,677 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-30 11:27:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:52,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-09-30 11:27:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-09-30 11:27:52,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 11:27:52,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:53,781 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-30 11:27:54,565 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-30 11:27:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-09-30 11:27:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-09-30 11:27:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:27:54,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:55,732 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-30 11:27:56,644 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-09-30 11:27:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-09-30 11:27:56,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-09-30 11:27:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 11:27:56,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:57,282 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 11:27:57,721 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-30 11:27:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-09-30 11:27:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-09-30 11:27:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:27:57,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:58,291 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-30 11:27:58,673 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-30 11:27:58,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-09-30 11:27:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-09-30 11:27:58,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 11:27:58,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:27:59,278 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-30 11:27:59,751 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-30 11:27:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:27:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-09-30 11:27:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-09-30 11:27:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:27:59,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:27:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:27:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:00,465 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-30 11:28:01,004 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-30 11:28:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-09-30 11:28:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-09-30 11:28:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 11:28:01,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:01,786 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-30 11:28:02,657 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-30 11:28:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-09-30 11:28:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-09-30 11:28:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:28:02,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:04,901 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-30 11:28:05,838 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-09-30 11:28:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-09-30 11:28:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-09-30 11:28:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 11:28:05,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:07,228 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-30 11:28:07,738 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-30 11:28:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-09-30 11:28:07,766 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-09-30 11:28:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:28:07,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:08,583 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-30 11:28:09,124 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-30 11:28:09,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-09-30 11:28:09,151 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-09-30 11:28:09,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 11:28:09,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:10,629 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-30 11:28:11,521 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-30 11:28:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-09-30 11:28:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-09-30 11:28:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:28:11,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:12,348 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-09-30 11:28:12,941 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-09-30 11:28:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-09-30 11:28:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-09-30 11:28:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 11:28:12,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:14,040 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-09-30 11:28:14,664 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-30 11:28:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-09-30 11:28:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-09-30 11:28:14,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:28:14,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:15,591 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-30 11:28:16,303 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-30 11:28:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-09-30 11:28:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-09-30 11:28:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 11:28:16,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:17,269 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-09-30 11:28:17,956 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-30 11:28:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-09-30 11:28:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-09-30 11:28:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:28:17,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:18,900 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-09-30 11:28:19,603 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-30 11:28:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-09-30 11:28:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-09-30 11:28:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 11:28:19,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:20,589 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-30 11:28:21,400 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-09-30 11:28:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-09-30 11:28:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-09-30 11:28:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:28:21,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:22,469 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-30 11:28:23,274 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-30 11:28:23,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:23,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-09-30 11:28:23,328 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-09-30 11:28:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 11:28:23,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:24,277 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-30 11:28:25,096 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-30 11:28:25,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-09-30 11:28:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-09-30 11:28:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:28:25,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:26,286 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-30 11:28:27,170 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-09-30 11:28:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-09-30 11:28:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-09-30 11:28:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 11:28:27,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:28,199 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-30 11:28:29,100 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-30 11:28:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-09-30 11:28:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-09-30 11:28:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:28:29,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:30,190 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-30 11:28:31,086 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-30 11:28:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:31,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-09-30 11:28:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-09-30 11:28:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 11:28:31,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:32,315 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-09-30 11:28:33,260 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-09-30 11:28:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-09-30 11:28:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-09-30 11:28:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:28:33,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:34,397 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-30 11:28:35,419 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-30 11:28:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-09-30 11:28:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-09-30 11:28:35,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 11:28:35,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:35,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:36,576 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-30 11:28:37,623 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-30 11:28:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-09-30 11:28:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-09-30 11:28:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:28:37,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:38,786 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-09-30 11:28:39,840 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-09-30 11:28:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:39,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-09-30 11:28:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-09-30 11:28:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 11:28:39,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:41,027 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-09-30 11:28:42,189 WARN L178 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-30 11:28:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-09-30 11:28:42,222 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-09-30 11:28:42,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:28:42,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:43,714 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-30 11:28:44,843 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-09-30 11:28:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-09-30 11:28:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-09-30 11:28:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 11:28:44,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:45,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:46,189 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-30 11:28:47,412 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-30 11:28:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:47,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-09-30 11:28:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-09-30 11:28:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:28:47,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:49,304 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-09-30 11:28:50,508 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-09-30 11:28:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-09-30 11:28:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-09-30 11:28:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 11:28:50,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:53,129 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-09-30 11:28:54,386 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-30 11:28:54,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-09-30 11:28:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-09-30 11:28:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:28:54,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:55,806 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-30 11:28:57,129 WARN L178 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-30 11:28:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:28:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-09-30 11:28:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-09-30 11:28:57,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 11:28:57,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:28:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:28:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:28:59,387 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-09-30 11:29:00,714 WARN L178 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-30 11:29:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-09-30 11:29:00,747 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-09-30 11:29:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:29:00,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:01,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:02,262 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-09-30 11:29:03,658 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-09-30 11:29:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-09-30 11:29:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-09-30 11:29:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 11:29:03,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:05,236 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-30 11:29:06,671 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-30 11:29:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-09-30 11:29:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-09-30 11:29:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:29:06,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:08,454 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-30 11:29:09,919 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-30 11:29:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:09,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-09-30 11:29:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-09-30 11:29:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 11:29:09,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:11,535 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-09-30 11:29:13,089 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-09-30 11:29:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:13,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-09-30 11:29:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-09-30 11:29:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:29:13,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:14,921 WARN L178 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-30 11:29:16,446 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-09-30 11:29:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-09-30 11:29:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-09-30 11:29:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 11:29:16,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:18,332 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-30 11:29:19,919 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-30 11:29:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-09-30 11:29:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-09-30 11:29:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:29:19,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:21,726 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-30 11:29:23,392 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-30 11:29:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-09-30 11:29:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-09-30 11:29:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 11:29:23,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:25,175 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-09-30 11:29:26,855 WARN L178 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-09-30 11:29:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-09-30 11:29:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-09-30 11:29:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:29:26,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:28,808 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-09-30 11:29:30,547 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-09-30 11:29:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-09-30 11:29:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-09-30 11:29:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 11:29:30,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:33,764 WARN L178 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-30 11:29:35,523 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-30 11:29:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-09-30 11:29:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-09-30 11:29:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 11:29:35,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:37,465 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-09-30 11:29:39,304 WARN L178 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-30 11:29:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-09-30 11:29:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-09-30 11:29:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 11:29:39,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:41,320 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-09-30 11:29:43,175 WARN L178 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-09-30 11:29:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-09-30 11:29:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-09-30 11:29:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 11:29:43,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:45,377 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-09-30 11:29:47,243 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-09-30 11:29:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:47,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-09-30 11:29:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-09-30 11:29:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 11:29:47,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:49,342 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-30 11:29:51,280 WARN L178 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-30 11:29:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-09-30 11:29:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-09-30 11:29:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 11:29:51,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:51,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:53,331 WARN L178 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-09-30 11:29:55,353 WARN L178 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-09-30 11:29:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-09-30 11:29:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-09-30 11:29:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 11:29:55,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:29:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:29:57,614 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-09-30 11:29:59,698 WARN L178 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-09-30 11:29:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:29:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-09-30 11:29:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-09-30 11:29:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 11:29:59,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:29:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:01,845 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-30 11:30:04,092 WARN L178 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-09-30 11:30:04,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-09-30 11:30:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-09-30 11:30:04,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 11:30:04,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:06,596 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-09-30 11:30:08,771 WARN L178 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-30 11:30:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-09-30 11:30:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-09-30 11:30:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 11:30:08,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:12,096 WARN L178 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-09-30 11:30:14,456 WARN L178 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-09-30 11:30:14,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-09-30 11:30:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-09-30 11:30:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 11:30:14,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:17,615 WARN L178 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-09-30 11:30:20,002 WARN L178 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-09-30 11:30:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-09-30 11:30:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-09-30 11:30:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 11:30:20,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:24,293 WARN L178 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-30 11:30:26,634 WARN L178 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-09-30 11:30:26,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-09-30 11:30:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-09-30 11:30:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 11:30:26,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:29,144 WARN L178 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-09-30 11:30:31,571 WARN L178 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-30 11:30:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-09-30 11:30:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-09-30 11:30:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 11:30:31,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:35,038 WARN L178 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-09-30 11:30:37,482 WARN L178 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-09-30 11:30:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-09-30 11:30:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-09-30 11:30:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 11:30:37,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:40,205 WARN L178 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-09-30 11:30:42,748 WARN L178 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-09-30 11:30:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-09-30 11:30:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-09-30 11:30:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 11:30:42,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:45,522 WARN L178 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-09-30 11:30:48,097 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-09-30 11:30:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-09-30 11:30:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-09-30 11:30:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 11:30:48,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:51,948 WARN L178 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-09-30 11:30:54,566 WARN L178 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-09-30 11:30:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:30:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-09-30 11:30:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-09-30 11:30:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 11:30:54,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:30:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:30:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:30:57,384 WARN L178 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-30 11:31:00,146 WARN L178 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-09-30 11:31:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-09-30 11:31:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-09-30 11:31:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 11:31:00,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:03,004 WARN L178 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-09-30 11:31:05,841 WARN L178 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-09-30 11:31:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:05,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-09-30 11:31:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-09-30 11:31:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 11:31:05,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:08,965 WARN L178 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-09-30 11:31:11,794 WARN L178 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-09-30 11:31:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-09-30 11:31:11,869 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-09-30 11:31:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 11:31:11,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:14,855 WARN L178 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-09-30 11:31:17,751 WARN L178 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-30 11:31:17,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:17,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-09-30 11:31:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-09-30 11:31:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 11:31:17,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:20,852 WARN L178 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-09-30 11:31:23,730 WARN L178 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-09-30 11:31:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-09-30 11:31:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-09-30 11:31:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 11:31:23,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:26,880 WARN L178 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-09-30 11:31:29,874 WARN L178 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-09-30 11:31:29,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-09-30 11:31:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-09-30 11:31:29,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 11:31:29,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:33,253 WARN L178 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-09-30 11:31:36,343 WARN L178 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-09-30 11:31:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-09-30 11:31:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-09-30 11:31:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 11:31:36,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:39,567 WARN L178 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-09-30 11:31:42,685 WARN L178 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-09-30 11:31:42,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-09-30 11:31:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-09-30 11:31:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 11:31:42,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:45,956 WARN L178 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-09-30 11:31:49,119 WARN L178 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-09-30 11:31:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:31:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-09-30 11:31:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-09-30 11:31:49,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 11:31:49,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:31:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:31:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:31:52,443 WARN L178 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 452 Received shutdown request... [2018-09-30 11:31:54,657 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 11:31:54,659 INFO L168 Benchmark]: Toolchain (without parser) took 254498.71 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -129.0 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 333.1 MB). Peak memory consumption was 462.5 MB. Max. memory is 7.1 GB. [2018-09-30 11:31:54,660 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:31:54,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:31:54,661 INFO L168 Benchmark]: Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:31:54,661 INFO L168 Benchmark]: RCFGBuilder took 285.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 11:31:54,662 INFO L168 Benchmark]: CodeCheck took 254143.25 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -129.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 312.0 MB). Peak memory consumption was 441.4 MB. Max. memory is 7.1 GB. [2018-09-30 11:31:54,664 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 359 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.84 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 21.04 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 285.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 254143.25 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -129.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 312.0 MB). Peak memory consumption was 441.4 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-0-2018-09-30_11-31-54-673.csv Completed graceful shutdown