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/doubleLoopUniformIterations.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:33:11,987 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:33:11,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:33:12,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:33:12,005 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:33:12,006 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:33:12,007 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:33:12,009 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:33:12,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:33:12,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:33:12,013 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:33:12,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:33:12,014 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:33:12,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:33:12,016 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:33:12,017 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:33:12,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:33:12,020 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:33:12,022 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:33:12,023 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:33:12,024 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:33:12,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:33:12,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:33:12,029 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:33:12,029 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:33:12,030 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:33:12,031 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:33:12,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:33:12,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:33:12,034 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:33:12,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:33:12,035 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:33:12,035 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:33:12,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:33:12,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:33:12,037 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:33:12,037 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-26 22:33:12,062 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:33:12,062 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:33:12,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:33:12,064 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:33:12,064 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:33:12,064 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:33:12,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:33:12,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:33:12,065 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:33:12,065 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:33:12,065 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:33:12,066 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:33:12,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:33:12,066 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:33:12,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:33:12,068 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:33:12,068 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:33:12,068 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:33:12,068 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:33:12,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:33:12,069 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:33:12,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:33:12,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:33:12,070 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:33:12,070 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:33:12,070 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:33:12,070 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:33:12,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:33:12,071 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:33:12,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:33:12,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:33:12,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:33:12,154 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:33:12,155 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:33:12,156 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-09-26 22:33:12,156 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-09-26 22:33:12,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:33:12,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:33:12,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:33:12,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:33:12,217 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:33:12,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,258 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:33:12,258 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:33:12,259 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:33:12,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:33:12,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:33:12,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:33:12,263 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:33:12,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:33:12,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:33:12,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:33:12,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:33:12,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:33:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-09-26 22:33:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-09-26 22:33:12,596 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:33:12,597 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:33:12 BoogieIcfgContainer [2018-09-26 22:33:12,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:33:12,598 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:33:12,598 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:33:12,609 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:33:12,610 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:33:12" (1/1) ... [2018-09-26 22:33:12,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:33:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-26 22:33:12,666 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-26 22:33:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:33:12,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-26 22:33:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-26 22:33:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:33:13,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-09-26 22:33:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-09-26 22:33:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:33:13,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2018-09-26 22:33:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2018-09-26 22:33:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:33:13,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-26 22:33:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-26 22:33:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:33:14,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2018-09-26 22:33:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2018-09-26 22:33:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:33:15,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-09-26 22:33:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-09-26 22:33:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:33:15,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-09-26 22:33:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-09-26 22:33:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:33:16,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:16,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-26 22:33:16,411 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-26 22:33:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:33:16,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-09-26 22:33:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-09-26 22:33:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:33:16,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-09-26 22:33:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-09-26 22:33:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:33:17,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-09-26 22:33:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-09-26 22:33:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:33:17,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:18,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-09-26 22:33:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-09-26 22:33:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:33:18,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-09-26 22:33:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-09-26 22:33:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:33:18,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-09-26 22:33:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-09-26 22:33:19,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:33:19,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-09-26 22:33:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-09-26 22:33:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:33:20,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:21,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-09-26 22:33:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-09-26 22:33:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:33:21,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-09-26 22:33:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-09-26 22:33:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:33:21,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2018-09-26 22:33:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2018-09-26 22:33:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:33:22,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2018-09-26 22:33:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2018-09-26 22:33:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:33:22,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-09-26 22:33:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-09-26 22:33:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:33:23,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-09-26 22:33:24,251 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-09-26 22:33:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:33:24,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-09-26 22:33:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-09-26 22:33:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:33:24,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:25,630 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-26 22:33:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-09-26 22:33:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-09-26 22:33:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:33:25,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2018-09-26 22:33:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2018-09-26 22:33:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:33:26,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-09-26 22:33:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-09-26 22:33:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:33:27,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2018-09-26 22:33:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-09-26 22:33:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:33:27,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:28,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:28,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-09-26 22:33:28,645 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-09-26 22:33:28,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:33:28,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2018-09-26 22:33:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-09-26 22:33:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:33:30,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:30,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2018-09-26 22:33:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2018-09-26 22:33:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:33:30,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions. [2018-09-26 22:33:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2018-09-26 22:33:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:33:31,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2018-09-26 22:33:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2018-09-26 22:33:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:33:33,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2018-09-26 22:33:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2018-09-26 22:33:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:33:34,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2018-09-26 22:33:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2018-09-26 22:33:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:33:35,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2018-09-26 22:33:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2018-09-26 22:33:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:33:35,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 99 transitions. [2018-09-26 22:33:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2018-09-26 22:33:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:33:37,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2018-09-26 22:33:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2018-09-26 22:33:38,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:33:38,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 105 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2018-09-26 22:33:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2018-09-26 22:33:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:33:39,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2018-09-26 22:33:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2018-09-26 22:33:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:33:40,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:42,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2018-09-26 22:33:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2018-09-26 22:33:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:33:42,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:42,694 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2018-09-26 22:33:43,755 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2018-09-26 22:33:43,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:33:43,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 105 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 112 transitions. [2018-09-26 22:33:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2018-09-26 22:33:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:33:45,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:45,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 115 transitions. [2018-09-26 22:33:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2018-09-26 22:33:45,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:33:45,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2018-09-26 22:33:47,236 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2018-09-26 22:33:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:33:47,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:47,686 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-09-26 22:33:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2018-09-26 22:33:48,381 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2018-09-26 22:33:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:33:48,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 77 states and 122 transitions. [2018-09-26 22:33:49,540 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2018-09-26 22:33:49,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:33:49,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2018-09-26 22:33:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2018-09-26 22:33:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:33:51,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:52,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 127 transitions. [2018-09-26 22:33:52,814 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2018-09-26 22:33:52,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:33:52,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2018-09-26 22:33:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2018-09-26 22:33:54,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:33:54,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:55,144 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-26 22:33:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2018-09-26 22:33:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2018-09-26 22:33:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:33:56,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:56,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2018-09-26 22:33:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2018-09-26 22:33:56,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:33:56,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 153 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-09-26 22:33:58,535 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-09-26 22:33:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:33:58,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:00,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:00,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2018-09-26 22:34:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2018-09-26 22:34:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:34:00,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-09-26 22:34:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-09-26 22:34:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:34:02,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:03,016 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-09-26 22:34:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2018-09-26 22:34:03,909 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2018-09-26 22:34:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:34:03,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 153 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:05,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2018-09-26 22:34:05,195 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2018-09-26 22:34:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:34:05,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 210 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 147 transitions. [2018-09-26 22:34:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2018-09-26 22:34:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:34:07,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 94 states and 150 transitions. [2018-09-26 22:34:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions. [2018-09-26 22:34:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:34:08,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:10,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2018-09-26 22:34:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2018-09-26 22:34:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:34:10,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:10,593 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-09-26 22:34:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2018-09-26 22:34:11,566 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2018-09-26 22:34:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:34:11,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 153 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2018-09-26 22:34:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2018-09-26 22:34:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:34:12,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 210 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 159 transitions. [2018-09-26 22:34:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-09-26 22:34:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:34:13,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:15,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 101 states and 162 transitions. [2018-09-26 22:34:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2018-09-26 22:34:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:34:15,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2018-09-26 22:34:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-09-26 22:34:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:34:17,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:18,331 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-09-26 22:34:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:19,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 104 states and 167 transitions. [2018-09-26 22:34:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2018-09-26 22:34:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:34:19,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 153 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2018-09-26 22:34:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2018-09-26 22:34:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:34:20,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 210 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:21,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 170 transitions. [2018-09-26 22:34:21,610 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2018-09-26 22:34:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:34:21,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 276 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 172 transitions. [2018-09-26 22:34:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2018-09-26 22:34:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:34:23,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 175 transitions. [2018-09-26 22:34:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 175 transitions. [2018-09-26 22:34:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:34:25,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:27,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:27,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2018-09-26 22:34:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2018-09-26 22:34:27,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:34:27,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:28,674 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-09-26 22:34:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 180 transitions. [2018-09-26 22:34:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-09-26 22:34:29,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:34:29,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 210 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 113 states and 182 transitions. [2018-09-26 22:34:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2018-09-26 22:34:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:34:31,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 276 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:33,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:33,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 114 states and 184 transitions. [2018-09-26 22:34:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2018-09-26 22:34:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:34:33,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2018-09-26 22:34:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2018-09-26 22:34:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:34:34,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2018-09-26 22:34:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2018-09-26 22:34:37,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:34:37,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:37,832 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-09-26 22:34:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:39,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2018-09-26 22:34:39,141 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2018-09-26 22:34:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:34:39,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 210 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2018-09-26 22:34:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2018-09-26 22:34:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:34:40,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 276 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 121 states and 196 transitions. [2018-09-26 22:34:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 196 transitions. [2018-09-26 22:34:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:34:42,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 351 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 198 transitions. [2018-09-26 22:34:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2018-09-26 22:34:44,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:34:44,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:46,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 124 states and 201 transitions. [2018-09-26 22:34:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 201 transitions. [2018-09-26 22:34:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:34:46,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:49,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 204 transitions. [2018-09-26 22:34:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2018-09-26 22:34:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:34:49,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:49,963 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2018-09-26 22:34:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 127 states and 206 transitions. [2018-09-26 22:34:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions. [2018-09-26 22:34:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:34:51,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 210 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 128 states and 207 transitions. [2018-09-26 22:34:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-09-26 22:34:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:34:52,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 276 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 129 states and 209 transitions. [2018-09-26 22:34:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2018-09-26 22:34:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:34:57,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 351 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 130 states and 211 transitions. [2018-09-26 22:34:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-09-26 22:34:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:34:59,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 132 states and 214 transitions. [2018-09-26 22:35:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2018-09-26 22:35:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:35:00,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2018-09-26 22:35:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2018-09-26 22:35:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:35:04,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:04,388 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:04,704 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-09-26 22:35:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 135 states and 219 transitions. [2018-09-26 22:35:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 219 transitions. [2018-09-26 22:35:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:35:06,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 276 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:08,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:08,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2018-09-26 22:35:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2018-09-26 22:35:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:35:08,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 351 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 137 states and 223 transitions. [2018-09-26 22:35:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-09-26 22:35:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:35:10,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 435 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 138 states and 225 transitions. [2018-09-26 22:35:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2018-09-26 22:35:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:35:13,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:15,420 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 22:35:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 140 states and 228 transitions. [2018-09-26 22:35:15,485 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2018-09-26 22:35:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:35:15,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:19,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 142 states and 231 transitions. [2018-09-26 22:35:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2018-09-26 22:35:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:35:19,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:20,860 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-26 22:35:21,054 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:35:22,542 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-26 22:35:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 143 states and 233 transitions. [2018-09-26 22:35:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 233 transitions. [2018-09-26 22:35:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:35:22,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 276 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:24,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2018-09-26 22:35:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-09-26 22:35:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:35:24,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 351 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-09-26 22:35:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-09-26 22:35:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:35:26,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 435 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 146 states and 239 transitions. [2018-09-26 22:35:29,664 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 239 transitions. [2018-09-26 22:35:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:35:29,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:30,677 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-26 22:35:31,754 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-26 22:35:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:31,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 148 states and 242 transitions. [2018-09-26 22:35:31,826 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 242 transitions. [2018-09-26 22:35:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:35:31,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-09-26 22:35:36,004 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-09-26 22:35:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:35:36,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:36,906 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2018-09-26 22:35:37,118 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 22:35:37,934 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 22:35:38,747 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-26 22:35:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 151 states and 247 transitions. [2018-09-26 22:35:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 247 transitions. [2018-09-26 22:35:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:35:38,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 276 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 152 states and 248 transitions. [2018-09-26 22:35:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 248 transitions. [2018-09-26 22:35:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:35:40,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 351 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2018-09-26 22:35:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2018-09-26 22:35:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:35:43,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 435 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 154 states and 252 transitions. [2018-09-26 22:35:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 252 transitions. [2018-09-26 22:35:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:35:45,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 528 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 155 states and 254 transitions. [2018-09-26 22:35:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 254 transitions. [2018-09-26 22:35:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:35:49,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:50,194 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 22:35:51,386 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-26 22:35:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2018-09-26 22:35:51,460 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2018-09-26 22:35:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:35:51,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:55,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 159 states and 260 transitions. [2018-09-26 22:35:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 260 transitions. [2018-09-26 22:35:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:35:55,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:56,495 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2018-09-26 22:35:56,724 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 22:35:57,624 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 22:35:58,513 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 22:35:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 160 states and 262 transitions. [2018-09-26 22:35:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2018-09-26 22:35:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:35:58,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 351 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:00,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 161 states and 264 transitions. [2018-09-26 22:36:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 264 transitions. [2018-09-26 22:36:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:36:00,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 435 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 162 states and 266 transitions. [2018-09-26 22:36:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2018-09-26 22:36:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:36:03,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 528 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 163 states and 268 transitions. [2018-09-26 22:36:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 268 transitions. [2018-09-26 22:36:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 22:36:05,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:06,855 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-09-26 22:36:08,131 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 22:36:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 165 states and 271 transitions. [2018-09-26 22:36:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 271 transitions. [2018-09-26 22:36:08,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:36:08,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 167 states and 274 transitions. [2018-09-26 22:36:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 274 transitions. [2018-09-26 22:36:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:36:13,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:13,700 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2018-09-26 22:36:13,942 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:36:14,904 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:36:15,864 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:36:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 168 states and 276 transitions. [2018-09-26 22:36:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 276 transitions. [2018-09-26 22:36:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:36:15,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 351 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 169 states and 278 transitions. [2018-09-26 22:36:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 278 transitions. [2018-09-26 22:36:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:36:17,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:17,792 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 435 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:20,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-09-26 22:36:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-09-26 22:36:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:36:20,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 528 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 171 states and 282 transitions. [2018-09-26 22:36:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 282 transitions. [2018-09-26 22:36:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:36:22,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 630 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2018-09-26 22:36:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2018-09-26 22:36:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:36:26,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:28,097 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-09-26 22:36:29,461 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-26 22:36:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 174 states and 287 transitions. [2018-09-26 22:36:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 287 transitions. [2018-09-26 22:36:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:36:29,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2018-09-26 22:36:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2018-09-26 22:36:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:36:34,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:35,502 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-09-26 22:36:35,758 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 22:36:36,799 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 22:36:37,838 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-26 22:36:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 292 transitions. [2018-09-26 22:36:37,931 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 292 transitions. [2018-09-26 22:36:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:36:37,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 351 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 178 states and 293 transitions. [2018-09-26 22:36:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 293 transitions. [2018-09-26 22:36:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:36:39,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 435 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 179 states and 295 transitions. [2018-09-26 22:36:41,961 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 295 transitions. [2018-09-26 22:36:41,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:36:41,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 528 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:44,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 180 states and 297 transitions. [2018-09-26 22:36:44,531 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 297 transitions. [2018-09-26 22:36:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:36:44,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 630 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 181 states and 299 transitions. [2018-09-26 22:36:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 299 transitions. [2018-09-26 22:36:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 22:36:47,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:48,573 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 22:36:50,041 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:36:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 183 states and 302 transitions. [2018-09-26 22:36:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 302 transitions. [2018-09-26 22:36:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:36:50,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 185 states and 305 transitions. [2018-09-26 22:36:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 305 transitions. [2018-09-26 22:36:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:36:55,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:56,627 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2018-09-26 22:36:56,904 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 22:36:58,035 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 22:36:59,156 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-26 22:36:59,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:59,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 186 states and 307 transitions. [2018-09-26 22:36:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2018-09-26 22:36:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:36:59,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 435 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 187 states and 309 transitions. [2018-09-26 22:37:01,892 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 309 transitions. [2018-09-26 22:37:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:37:01,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 528 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 188 states and 311 transitions. [2018-09-26 22:37:04,797 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 311 transitions. [2018-09-26 22:37:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:37:04,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 630 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2018-09-26 22:37:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2018-09-26 22:37:07,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:37:07,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:08,872 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 741 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2018-09-26 22:37:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2018-09-26 22:37:12,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 22:37:12,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:13,749 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 22:37:15,495 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 22:37:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 192 states and 318 transitions. [2018-09-26 22:37:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 318 transitions. [2018-09-26 22:37:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:37:15,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-26 22:37:16,285 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-26 22:37:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:16,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:37:16,392 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-26 22:37:16,393 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:37:16,395 INFO L168 Benchmark]: Toolchain (without parser) took 244181.71 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 618.8 MB. Max. memory is 7.1 GB. [2018-09-26 22:37:16,396 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:37:16,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:37:16,397 INFO L168 Benchmark]: Boogie Preprocessor took 24.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:37:16,397 INFO L168 Benchmark]: RCFGBuilder took 309.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:37:16,397 INFO L168 Benchmark]: CodeCheck took 243796.82 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 597.7 MB. Max. memory is 7.1 GB. [2018-09-26 22:37:16,400 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 1068 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 45.06 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 24.94 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 309.10 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 243796.82 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 597.7 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/doubleLoopUniformIterations.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-37-16-418.csv Completed graceful shutdown