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 0.1.23-2eb0a67 [2018-10-03 09:47:19,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 09:47:19,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 09:47:19,981 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 09:47:19,981 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 09:47:19,982 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 09:47:19,984 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 09:47:19,985 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 09:47:19,987 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 09:47:19,988 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 09:47:19,989 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 09:47:19,989 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 09:47:19,990 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 09:47:19,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 09:47:19,992 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 09:47:19,993 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 09:47:19,994 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 09:47:19,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 09:47:19,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 09:47:19,999 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 09:47:20,000 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 09:47:20,001 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 09:47:20,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 09:47:20,004 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 09:47:20,004 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 09:47:20,005 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 09:47:20,006 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 09:47:20,007 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 09:47:20,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 09:47:20,008 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 09:47:20,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 09:47:20,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 09:47:20,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 09:47:20,010 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 09:47:20,011 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 09:47:20,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 09:47:20,012 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-03 09:47:20,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 09:47:20,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 09:47:20,028 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 09:47:20,028 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 09:47:20,029 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 09:47:20,029 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 09:47:20,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 09:47:20,029 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 09:47:20,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 09:47:20,030 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 09:47:20,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 09:47:20,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 09:47:20,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 09:47:20,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 09:47:20,030 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 09:47:20,031 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 09:47:20,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 09:47:20,031 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 09:47:20,031 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 09:47:20,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 09:47:20,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 09:47:20,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 09:47:20,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 09:47:20,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 09:47:20,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 09:47:20,033 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 09:47:20,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 09:47:20,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 09:47:20,033 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 09:47:20,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 09:47:20,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 09:47:20,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 09:47:20,098 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 09:47:20,099 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 09:47:20,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-10-03 09:47:20,100 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-10-03 09:47:20,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 09:47:20,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 09:47:20,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 09:47:20,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 09:47:20,155 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 09:47:20,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,194 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 09:47:20,194 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 09:47:20,194 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 09:47:20,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 09:47:20,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 09:47:20,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 09:47:20,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 09:47:20,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 09:47:20,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 09:47:20,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 09:47:20,217 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 09:47:20,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:47:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 09:47:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-10-03 09:47:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-10-03 09:47:20,513 INFO L337 CfgBuilder]: Using library mode [2018-10-03 09:47:20,514 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:47:20 BoogieIcfgContainer [2018-10-03 09:47:20,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 09:47:20,515 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 09:47:20,515 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 09:47:20,532 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 09:47:20,532 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:47:20" (1/1) ... [2018-10-03 09:47:20,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 09:47:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-03 09:47:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-03 09:47:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-03 09:47:20,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-03 09:47:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-03 09:47:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-03 09:47:20,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-10-03 09:47:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-10-03 09:47:21,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 09:47:21,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-03 09:47:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-03 09:47:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 09:47:21,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-10-03 09:47:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-10-03 09:47:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 09:47:22,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:22,654 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-03 09:47:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-03 09:47:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-03 09:47:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 09:47:22,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-03 09:47:23,053 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-03 09:47:23,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 09:47:23,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-10-03 09:47:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-10-03 09:47:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 09:47:23,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:23,864 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-10-03 09:47:24,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-10-03 09:47:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-10-03 09:47:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 09:47:24,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-10-03 09:47:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-10-03 09:47:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 09:47:24,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-10-03 09:47:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-10-03 09:47:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:47:24,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-03 09:47:25,495 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-03 09:47:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 09:47:25,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:25,994 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-03 09:47:26,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:26,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-10-03 09:47:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-10-03 09:47:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:47:26,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:26,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-10-03 09:47:26,539 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-10-03 09:47:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-03 09:47:26,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-10-03 09:47:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-10-03 09:47:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 09:47:27,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:27,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-10-03 09:47:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-10-03 09:47:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 09:47:27,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-10-03 09:47:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-10-03 09:47:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 09:47:28,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-10-03 09:47:28,922 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-10-03 09:47:28,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 09:47:28,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:29,623 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-03 09:47:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-10-03 09:47:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-10-03 09:47:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 09:47:29,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:30,080 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-03 09:47:30,436 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-10-03 09:47:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-10-03 09:47:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-10-03 09:47:30,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-03 09:47:30,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:30,992 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-03 09:47:31,798 WARN L178 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-03 09:47:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-10-03 09:47:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-10-03 09:47:31,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 09:47:31,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:32,548 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-03 09:47:32,869 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-03 09:47:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-10-03 09:47:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-10-03 09:47:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-03 09:47:32,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:33,920 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-03 09:47:34,838 WARN L178 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-03 09:47:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-10-03 09:47:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-10-03 09:47:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 09:47:34,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:35,051 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:35,647 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-03 09:47:36,475 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-10-03 09:47:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-10-03 09:47:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-10-03 09:47:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-03 09:47:36,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:37,139 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-03 09:47:37,563 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-03 09:47:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-10-03 09:47:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-10-03 09:47:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 09:47:37,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:38,098 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-03 09:47:38,489 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-03 09:47:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-10-03 09:47:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-10-03 09:47:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-03 09:47:38,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:39,235 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-03 09:47:39,682 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-03 09:47:39,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-10-03 09:47:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-10-03 09:47:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 09:47:39,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:40,420 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-03 09:47:40,873 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-03 09:47:40,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-10-03 09:47:40,935 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-10-03 09:47:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-03 09:47:40,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:41,144 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:41,618 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-03 09:47:42,456 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-03 09:47:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-10-03 09:47:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-10-03 09:47:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 09:47:42,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:43,687 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:44,550 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-03 09:47:45,032 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-03 09:47:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-10-03 09:47:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-10-03 09:47:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-03 09:47:45,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:45,936 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-03 09:47:46,442 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-03 09:47:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-10-03 09:47:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-10-03 09:47:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 09:47:46,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:47,218 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-03 09:47:47,762 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-03 09:47:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-10-03 09:47:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-10-03 09:47:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-03 09:47:47,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:48,469 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-03 09:47:49,333 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-03 09:47:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-10-03 09:47:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-10-03 09:47:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 09:47:49,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:50,128 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-10-03 09:47:50,806 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-10-03 09:47:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-10-03 09:47:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-10-03 09:47:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-03 09:47:50,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:51,958 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-10-03 09:47:52,569 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-10-03 09:47:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-10-03 09:47:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-10-03 09:47:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 09:47:52,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:53,350 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-03 09:47:53,999 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-03 09:47:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-10-03 09:47:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-10-03 09:47:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-03 09:47:54,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:54,958 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-10-03 09:47:55,747 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-10-03 09:47:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-10-03 09:47:55,783 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-10-03 09:47:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 09:47:55,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:56,819 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-10-03 09:47:57,533 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-10-03 09:47:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-10-03 09:47:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-10-03 09:47:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-03 09:47:57,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:58,433 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-10-03 09:47:59,164 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-10-03 09:47:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-10-03 09:47:59,192 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-10-03 09:47:59,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-03 09:47:59,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:00,152 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-03 09:48:01,011 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-03 09:48:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-10-03 09:48:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-10-03 09:48:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-03 09:48:01,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:01,983 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-10-03 09:48:02,783 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-10-03 09:48:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-10-03 09:48:02,810 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-10-03 09:48:02,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-03 09:48:02,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:03,975 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-10-03 09:48:04,830 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-10-03 09:48:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-10-03 09:48:04,858 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-10-03 09:48:04,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-03 09:48:04,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:05,895 WARN L178 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-03 09:48:06,828 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-10-03 09:48:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-10-03 09:48:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-10-03 09:48:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-03 09:48:06,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:08,106 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-10-03 09:48:08,989 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-03 09:48:09,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-10-03 09:48:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-10-03 09:48:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-03 09:48:09,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:10,183 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-10-03 09:48:11,238 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-10-03 09:48:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-10-03 09:48:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-10-03 09:48:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 09:48:11,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:12,379 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-03 09:48:13,391 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-10-03 09:48:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-10-03 09:48:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-10-03 09:48:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-03 09:48:13,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:14,727 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-03 09:48:15,706 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-03 09:48:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-10-03 09:48:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-10-03 09:48:15,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 09:48:15,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:17,063 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-10-03 09:48:18,120 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-10-03 09:48:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-10-03 09:48:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-10-03 09:48:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-03 09:48:18,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:19,422 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-10-03 09:48:20,496 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-10-03 09:48:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-10-03 09:48:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-10-03 09:48:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-03 09:48:20,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:22,295 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-10-03 09:48:23,433 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-10-03 09:48:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-10-03 09:48:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-10-03 09:48:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-03 09:48:23,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:24,748 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-03 09:48:25,935 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-03 09:48:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:25,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-10-03 09:48:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-10-03 09:48:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-03 09:48:25,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:27,702 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-10-03 09:48:28,923 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-10-03 09:48:28,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-10-03 09:48:28,957 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-10-03 09:48:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-03 09:48:28,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:31,340 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-10-03 09:48:32,649 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-10-03 09:48:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-10-03 09:48:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-10-03 09:48:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-03 09:48:32,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:34,200 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-03 09:48:35,486 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-03 09:48:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-10-03 09:48:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-10-03 09:48:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-03 09:48:35,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:37,098 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-10-03 09:48:38,429 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-03 09:48:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-10-03 09:48:38,462 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-10-03 09:48:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-03 09:48:38,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:39,999 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-10-03 09:48:41,330 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-10-03 09:48:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-10-03 09:48:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-10-03 09:48:41,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-03 09:48:41,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:43,584 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-10-03 09:48:44,994 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-03 09:48:45,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:45,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-10-03 09:48:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-10-03 09:48:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-03 09:48:45,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:46,580 WARN L178 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-03 09:48:48,080 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-03 09:48:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-10-03 09:48:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-10-03 09:48:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-03 09:48:48,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:50,276 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-10-03 09:48:51,772 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-10-03 09:48:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:51,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-10-03 09:48:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-10-03 09:48:51,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-03 09:48:51,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:52,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:53,634 WARN L178 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-10-03 09:48:55,222 WARN L178 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-10-03 09:48:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-10-03 09:48:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-10-03 09:48:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-03 09:48:55,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:48:57,284 WARN L178 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-03 09:48:58,865 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-10-03 09:48:58,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:48:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-10-03 09:48:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-10-03 09:48:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-03 09:48:58,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:48:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:48:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:00,587 WARN L178 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-03 09:49:02,266 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-03 09:49:02,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:02,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-10-03 09:49:02,310 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-10-03 09:49:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-03 09:49:02,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:04,192 WARN L178 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-10-03 09:49:05,844 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-10-03 09:49:05,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-10-03 09:49:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-10-03 09:49:05,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-03 09:49:05,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:07,733 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-10-03 09:49:09,473 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-10-03 09:49:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-10-03 09:49:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-10-03 09:49:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-03 09:49:09,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:15,200 WARN L178 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-03 09:49:17,003 WARN L178 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-10-03 09:49:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-10-03 09:49:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-10-03 09:49:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-03 09:49:17,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:19,199 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-10-03 09:49:21,039 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-03 09:49:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-10-03 09:49:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-10-03 09:49:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-03 09:49:21,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:23,131 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-10-03 09:49:24,979 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-10-03 09:49:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-10-03 09:49:25,019 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-10-03 09:49:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-03 09:49:25,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:27,284 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-10-03 09:49:29,233 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-10-03 09:49:29,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:29,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-10-03 09:49:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-10-03 09:49:29,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-03 09:49:29,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:31,370 WARN L178 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-03 09:49:33,420 WARN L178 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-03 09:49:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-10-03 09:49:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-10-03 09:49:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 09:49:33,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:35,486 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-10-03 09:49:37,519 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-10-03 09:49:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:37,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-10-03 09:49:37,559 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-10-03 09:49:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-03 09:49:37,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:39,911 WARN L178 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-10-03 09:49:41,963 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-10-03 09:49:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-10-03 09:49:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-10-03 09:49:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 09:49:42,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:44,215 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-03 09:49:46,302 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-10-03 09:49:46,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-10-03 09:49:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-10-03 09:49:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-03 09:49:46,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:48,694 WARN L178 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-10-03 09:49:50,848 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-03 09:49:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-10-03 09:49:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-10-03 09:49:50,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-03 09:49:50,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:53,547 WARN L178 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-10-03 09:49:55,779 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-10-03 09:49:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:49:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-10-03 09:49:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-10-03 09:49:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-03 09:49:55,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:49:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:49:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:49:59,184 WARN L178 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-10-03 09:50:01,418 WARN L178 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-10-03 09:50:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-10-03 09:50:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-10-03 09:50:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-03 09:50:01,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:05,457 WARN L178 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-03 09:50:07,798 WARN L178 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-10-03 09:50:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-10-03 09:50:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-10-03 09:50:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-03 09:50:07,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:10,396 WARN L178 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-10-03 09:50:12,761 WARN L178 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-10-03 09:50:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-10-03 09:50:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-10-03 09:50:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-03 09:50:12,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:16,310 WARN L178 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-10-03 09:50:18,764 WARN L178 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-10-03 09:50:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-10-03 09:50:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-10-03 09:50:18,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-03 09:50:18,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:21,620 WARN L178 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-10-03 09:50:24,166 WARN L178 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-10-03 09:50:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-10-03 09:50:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-10-03 09:50:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-03 09:50:24,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:26,959 WARN L178 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-10-03 09:50:29,603 WARN L178 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-10-03 09:50:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-10-03 09:50:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-10-03 09:50:29,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-03 09:50:29,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:33,080 WARN L178 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-10-03 09:50:35,730 WARN L178 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-10-03 09:50:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-10-03 09:50:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-10-03 09:50:35,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 09:50:35,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:39,473 WARN L178 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-10-03 09:50:42,225 WARN L178 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-10-03 09:50:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-10-03 09:50:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-10-03 09:50:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-03 09:50:42,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:45,188 WARN L178 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-10-03 09:50:47,946 WARN L178 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-10-03 09:50:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-10-03 09:50:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-10-03 09:50:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 09:50:48,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:51,077 WARN L178 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-10-03 09:50:53,912 WARN L178 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-10-03 09:50:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:50:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-10-03 09:50:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-10-03 09:50:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-03 09:50:53,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:50:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:50:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:50:57,065 WARN L178 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-10-03 09:50:59,967 WARN L178 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-10-03 09:51:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:51:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-10-03 09:51:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-10-03 09:51:00,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-03 09:51:00,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:51:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:51:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:51:03,078 WARN L178 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-10-03 09:51:06,062 WARN L178 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-10-03 09:51:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:51:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-10-03 09:51:06,108 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-10-03 09:51:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-03 09:51:06,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:51:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:51:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:51:09,112 WARN L178 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-10-03 09:51:12,128 WARN L178 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-10-03 09:51:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:51:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-10-03 09:51:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-10-03 09:51:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-03 09:51:12,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:51:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:51:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:51:15,469 WARN L178 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-10-03 09:51:18,491 WARN L178 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-10-03 09:51:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:51:18,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-10-03 09:51:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-10-03 09:51:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-03 09:51:18,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:51:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:51:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:51:21,788 WARN L178 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-10-03 09:51:24,878 WARN L178 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-10-03 09:51:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:51:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-10-03 09:51:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-10-03 09:51:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-03 09:51:24,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:51:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:51:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:51:28,259 WARN L178 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-10-03 09:51:31,535 WARN L178 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-10-03 09:51:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:51:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-10-03 09:51:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-10-03 09:51:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-03 09:51:31,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:51:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:51:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-03 09:51:33,524 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-03 09:51:33,527 INFO L168 Benchmark]: Toolchain (without parser) took 253376.00 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -94.4 MB). Free memory was 1.5 GB in the beginning and 880.9 MB in the end (delta: 574.3 MB). Peak memory consumption was 479.9 MB. Max. memory is 7.1 GB. [2018-10-03 09:51:33,528 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:51:33,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:51:33,528 INFO L168 Benchmark]: Boogie Preprocessor took 18.96 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:51:33,529 INFO L168 Benchmark]: RCFGBuilder took 297.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-03 09:51:33,529 INFO L168 Benchmark]: CodeCheck took 253010.71 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -94.4 MB). Free memory was 1.4 GB in the beginning and 880.9 MB in the end (delta: 553.1 MB). Peak memory consumption was 458.7 MB. Max. memory is 7.1 GB. [2018-10-03 09:51:33,531 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 358 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.25 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 18.96 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 297.87 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 253010.71 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -94.4 MB). Free memory was 1.4 GB in the beginning and 880.9 MB in the end (delta: 553.1 MB). Peak memory consumption was 458.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_09-51-33-541.csv Completed graceful shutdown