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 0.1.23-1cc990c [2018-09-30 21:26:35,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:26:35,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:26:35,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:26:35,900 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:26:35,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:26:35,902 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:26:35,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:26:35,906 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:26:35,907 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:26:35,908 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:26:35,908 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:26:35,909 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:26:35,910 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:26:35,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:26:35,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:26:35,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:26:35,915 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:26:35,917 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:26:35,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:26:35,920 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:26:35,921 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:26:35,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:26:35,924 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:26:35,924 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:26:35,925 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:26:35,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:26:35,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:26:35,928 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:26:35,932 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:26:35,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:26:35,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:26:35,933 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:26:35,934 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:26:35,935 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:26:35,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:26:35,936 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 21:26:35,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:26:35,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:26:35,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:26:35,967 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:26:35,967 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:26:35,968 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:26:35,968 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:26:35,968 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:26:35,968 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:26:35,968 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:26:35,969 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:26:35,969 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:26:35,969 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:26:35,969 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:26:35,969 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:26:35,970 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:26:35,970 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:26:35,970 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:26:35,970 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:26:35,970 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:26:35,971 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:26:35,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:26:35,971 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:26:35,971 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:26:35,971 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:26:35,972 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:26:35,972 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:26:35,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:26:35,972 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:26:36,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:26:36,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:26:36,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:26:36,050 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:26:36,051 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:26:36,052 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-09-30 21:26:36,052 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-09-30 21:26:36,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:26:36,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:26:36,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:26:36,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:26:36,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:26:36,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,150 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:26:36,150 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:26:36,151 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:26:36,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:26:36,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:26:36,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:26:36,154 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:26:36,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:26:36,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:26:36,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:26:36,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:26:36,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:26:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:26:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-09-30 21:26:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-09-30 21:26:36,502 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:26:36,503 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:26:36 BoogieIcfgContainer [2018-09-30 21:26:36,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:26:36,504 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:26:36,504 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:26:36,515 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:26:36,515 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:26:36" (1/1) ... [2018-09-30 21:26:36,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:26:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 21:26:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 21:26:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:26:36,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:36,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-30 21:26:36,948 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-30 21:26:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:26:36,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-09-30 21:26:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-09-30 21:26:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:26:37,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:37,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2018-09-30 21:26:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2018-09-30 21:26:37,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:26:37,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-30 21:26:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-30 21:26:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:26:38,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:39,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2018-09-30 21:26:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2018-09-30 21:26:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:26:39,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-09-30 21:26:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-09-30 21:26:39,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:26:39,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:40,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-09-30 21:26:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-09-30 21:26:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:26:40,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-30 21:26:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-30 21:26:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:26:40,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-09-30 21:26:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-09-30 21:26:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:26:40,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:41,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:41,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-09-30 21:26:41,252 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-09-30 21:26:41,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:26:41,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-09-30 21:26:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-09-30 21:26:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:26:41,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-09-30 21:26:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-09-30 21:26:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:26:42,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:42,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:42,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-09-30 21:26:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-09-30 21:26:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:26:42,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-09-30 21:26:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-09-30 21:26:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:26:43,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-09-30 21:26:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-09-30 21:26:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:26:45,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-09-30 21:26:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-09-30 21:26:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:26:46,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-09-30 21:26:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-09-30 21:26:46,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:26:46,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:46,909 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:47,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2018-09-30 21:26:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2018-09-30 21:26:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:26:47,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2018-09-30 21:26:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2018-09-30 21:26:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:26:47,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-09-30 21:26:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-09-30 21:26:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:26:48,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-09-30 21:26:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-09-30 21:26:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:26:48,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-09-30 21:26:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-09-30 21:26:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:26:49,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:50,165 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-30 21:26:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-09-30 21:26:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-09-30 21:26:50,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:26:50,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2018-09-30 21:26:51,115 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2018-09-30 21:26:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:26:51,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-09-30 21:26:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-09-30 21:26:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:26:51,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2018-09-30 21:26:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-09-30 21:26:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:26:52,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:52,982 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-09-30 21:26:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-09-30 21:26:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:26:53,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2018-09-30 21:26:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-09-30 21:26:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:26:54,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2018-09-30 21:26:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2018-09-30 21:26:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:26:55,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions. [2018-09-30 21:26:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2018-09-30 21:26:56,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:26:56,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2018-09-30 21:26:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2018-09-30 21:26:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:26:58,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:58,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2018-09-30 21:26:58,880 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2018-09-30 21:26:58,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 21:26:58,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:59,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2018-09-30 21:26:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2018-09-30 21:26:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:26:59,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2018-09-30 21:27:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2018-09-30 21:27:00,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:27:00,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 99 transitions. [2018-09-30 21:27:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2018-09-30 21:27:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:27:01,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2018-09-30 21:27:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2018-09-30 21:27:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:27:02,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 105 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2018-09-30 21:27:04,167 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2018-09-30 21:27:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 21:27:04,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2018-09-30 21:27:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2018-09-30 21:27:05,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:27:05,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2018-09-30 21:27:06,364 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2018-09-30 21:27:06,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:27:06,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:07,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2018-09-30 21:27:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2018-09-30 21:27:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:27:07,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 105 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 112 transitions. [2018-09-30 21:27:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2018-09-30 21:27:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:27:08,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:09,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:09,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 115 transitions. [2018-09-30 21:27:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2018-09-30 21:27:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:27:09,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2018-09-30 21:27:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2018-09-30 21:27:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:27:11,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:12,409 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-09-30 21:27:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2018-09-30 21:27:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2018-09-30 21:27:13,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:27:13,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 77 states and 122 transitions. [2018-09-30 21:27:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2018-09-30 21:27:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:27:14,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:16,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2018-09-30 21:27:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2018-09-30 21:27:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:27:16,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 127 transitions. [2018-09-30 21:27:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2018-09-30 21:27:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:27:17,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2018-09-30 21:27:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2018-09-30 21:27:19,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:27:19,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:19,454 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-30 21:27:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2018-09-30 21:27:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2018-09-30 21:27:20,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:27:20,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:21,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2018-09-30 21:27:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2018-09-30 21:27:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:27:21,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 153 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:22,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-09-30 21:27:22,849 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-09-30 21:27:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:27:22,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2018-09-30 21:27:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2018-09-30 21:27:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:27:24,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-09-30 21:27:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-09-30 21:27:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:27:26,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:27,061 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-09-30 21:27:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2018-09-30 21:27:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2018-09-30 21:27:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:27:27,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 153 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:29,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2018-09-30 21:27:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2018-09-30 21:27:29,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:27:29,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 210 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 147 transitions. [2018-09-30 21:27:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2018-09-30 21:27:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:27:31,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:32,023 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 21:27:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 94 states and 150 transitions. [2018-09-30 21:27:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions. [2018-09-30 21:27:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:27:32,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2018-09-30 21:27:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2018-09-30 21:27:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:27:34,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:34,852 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-09-30 21:27:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2018-09-30 21:27:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2018-09-30 21:27:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:27:35,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 153 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2018-09-30 21:27:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2018-09-30 21:27:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:27:36,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 210 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:38,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 159 transitions. [2018-09-30 21:27:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-09-30 21:27:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:27:38,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 101 states and 162 transitions. [2018-09-30 21:27:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2018-09-30 21:27:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:27:40,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2018-09-30 21:27:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-09-30 21:27:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:27:42,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:43,397 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-09-30 21:27:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 104 states and 167 transitions. [2018-09-30 21:27:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2018-09-30 21:27:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:27:44,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 153 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2018-09-30 21:27:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2018-09-30 21:27:45,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:27:45,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 210 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:46,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 170 transitions. [2018-09-30 21:27:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2018-09-30 21:27:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:27:46,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 276 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 172 transitions. [2018-09-30 21:27:49,131 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2018-09-30 21:27:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:27:49,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 175 transitions. [2018-09-30 21:27:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 175 transitions. [2018-09-30 21:27:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:27:50,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2018-09-30 21:27:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2018-09-30 21:27:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:27:52,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:53,369 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-09-30 21:27:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 180 transitions. [2018-09-30 21:27:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-09-30 21:27:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:27:54,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 210 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:56,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 113 states and 182 transitions. [2018-09-30 21:27:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2018-09-30 21:27:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:27:56,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 276 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:58,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 114 states and 184 transitions. [2018-09-30 21:27:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2018-09-30 21:27:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:27:58,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2018-09-30 21:27:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2018-09-30 21:27:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:27:59,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2018-09-30 21:28:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2018-09-30 21:28:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:28:02,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:02,874 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-09-30 21:28:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2018-09-30 21:28:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2018-09-30 21:28:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:28:04,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 210 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2018-09-30 21:28:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2018-09-30 21:28:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:28:05,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 276 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 121 states and 196 transitions. [2018-09-30 21:28:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 196 transitions. [2018-09-30 21:28:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:28:07,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 351 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 198 transitions. [2018-09-30 21:28:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2018-09-30 21:28:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:28:10,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 124 states and 201 transitions. [2018-09-30 21:28:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 201 transitions. [2018-09-30 21:28:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:28:12,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 204 transitions. [2018-09-30 21:28:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2018-09-30 21:28:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:28:14,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:15,480 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2018-09-30 21:28:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 127 states and 206 transitions. [2018-09-30 21:28:17,048 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions. [2018-09-30 21:28:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:28:17,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 210 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:18,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 128 states and 207 transitions. [2018-09-30 21:28:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-09-30 21:28:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:28:18,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 276 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 129 states and 209 transitions. [2018-09-30 21:28:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2018-09-30 21:28:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:28:22,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 351 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 130 states and 211 transitions. [2018-09-30 21:28:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-09-30 21:28:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:28:23,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:24,806 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-09-30 21:28:25,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 132 states and 214 transitions. [2018-09-30 21:28:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2018-09-30 21:28:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:28:25,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2018-09-30 21:28:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2018-09-30 21:28:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:28:29,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:29,724 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-09-30 21:28:29,920 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-30 21:28:31,367 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-30 21:28:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 135 states and 219 transitions. [2018-09-30 21:28:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 219 transitions. [2018-09-30 21:28:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:28:31,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 276 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2018-09-30 21:28:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2018-09-30 21:28:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:28:33,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 351 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:35,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:35,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 137 states and 223 transitions. [2018-09-30 21:28:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-09-30 21:28:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:28:35,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 435 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 138 states and 225 transitions. [2018-09-30 21:28:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2018-09-30 21:28:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:28:39,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:40,148 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-09-30 21:28:41,190 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-30 21:28:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 140 states and 228 transitions. [2018-09-30 21:28:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2018-09-30 21:28:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:28:41,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 142 states and 231 transitions. [2018-09-30 21:28:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2018-09-30 21:28:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:28:45,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:46,323 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-30 21:28:46,527 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-30 21:28:47,325 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-30 21:28:48,133 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-30 21:28:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 143 states and 233 transitions. [2018-09-30 21:28:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 233 transitions. [2018-09-30 21:28:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:28:48,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 276 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2018-09-30 21:28:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-09-30 21:28:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:28:49,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 351 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-09-30 21:28:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-09-30 21:28:52,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:28:52,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 435 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 146 states and 239 transitions. [2018-09-30 21:28:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 239 transitions. [2018-09-30 21:28:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:28:54,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:54,550 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:55,263 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-30 21:28:56,446 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-30 21:28:56,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 148 states and 242 transitions. [2018-09-30 21:28:56,527 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 242 transitions. [2018-09-30 21:28:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:28:56,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:00,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-09-30 21:29:00,602 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-09-30 21:29:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:29:00,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:01,259 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2018-09-30 21:29:01,478 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-30 21:29:02,346 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-30 21:29:03,211 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-30 21:29:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 151 states and 247 transitions. [2018-09-30 21:29:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 247 transitions. [2018-09-30 21:29:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:29:03,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:03,699 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 276 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:04,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 152 states and 248 transitions. [2018-09-30 21:29:04,602 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 248 transitions. [2018-09-30 21:29:04,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:29:04,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 351 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2018-09-30 21:29:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2018-09-30 21:29:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:29:06,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:06,947 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 435 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 154 states and 252 transitions. [2018-09-30 21:29:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 252 transitions. [2018-09-30 21:29:09,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:29:09,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 528 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 155 states and 254 transitions. [2018-09-30 21:29:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 254 transitions. [2018-09-30 21:29:13,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:29:13,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:14,169 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-30 21:29:15,420 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-30 21:29:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:15,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2018-09-30 21:29:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2018-09-30 21:29:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:29:15,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:19,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 159 states and 260 transitions. [2018-09-30 21:29:19,965 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 260 transitions. [2018-09-30 21:29:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:29:19,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:20,568 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2018-09-30 21:29:20,809 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-30 21:29:21,748 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-30 21:29:22,702 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-30 21:29:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 160 states and 262 transitions. [2018-09-30 21:29:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2018-09-30 21:29:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:29:22,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 351 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:25,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 161 states and 264 transitions. [2018-09-30 21:29:25,075 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 264 transitions. [2018-09-30 21:29:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:29:25,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 435 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 162 states and 266 transitions. [2018-09-30 21:29:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2018-09-30 21:29:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:29:27,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 528 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:30,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 163 states and 268 transitions. [2018-09-30 21:29:30,117 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 268 transitions. [2018-09-30 21:29:30,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:29:30,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:31,258 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-09-30 21:29:32,590 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-30 21:29:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 165 states and 271 transitions. [2018-09-30 21:29:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 271 transitions. [2018-09-30 21:29:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:29:32,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 167 states and 274 transitions. [2018-09-30 21:29:37,564 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 274 transitions. [2018-09-30 21:29:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:29:37,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:38,293 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2018-09-30 21:29:38,549 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-30 21:29:39,561 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-30 21:29:40,580 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 21:29:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 168 states and 276 transitions. [2018-09-30 21:29:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 276 transitions. [2018-09-30 21:29:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:29:40,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 351 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:42,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 169 states and 278 transitions. [2018-09-30 21:29:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 278 transitions. [2018-09-30 21:29:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:29:42,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 435 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:44,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-09-30 21:29:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-09-30 21:29:44,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:29:44,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 528 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 171 states and 282 transitions. [2018-09-30 21:29:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 282 transitions. [2018-09-30 21:29:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:29:47,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 630 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2018-09-30 21:29:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2018-09-30 21:29:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:29:52,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:53,243 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-09-30 21:29:54,727 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-30 21:29:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 174 states and 287 transitions. [2018-09-30 21:29:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 287 transitions. [2018-09-30 21:29:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:29:54,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:00,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2018-09-30 21:30:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2018-09-30 21:30:00,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:30:00,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:00,622 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:01,086 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-09-30 21:30:01,368 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-30 21:30:02,462 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-30 21:30:03,588 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-30 21:30:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 292 transitions. [2018-09-30 21:30:03,690 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 292 transitions. [2018-09-30 21:30:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:30:03,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 351 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 178 states and 293 transitions. [2018-09-30 21:30:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 293 transitions. [2018-09-30 21:30:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:30:04,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 435 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 179 states and 295 transitions. [2018-09-30 21:30:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 295 transitions. [2018-09-30 21:30:07,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:30:07,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 528 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 180 states and 297 transitions. [2018-09-30 21:30:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 297 transitions. [2018-09-30 21:30:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:30:10,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 630 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 181 states and 299 transitions. [2018-09-30 21:30:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 299 transitions. [2018-09-30 21:30:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 21:30:13,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:14,405 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-30 21:30:15,980 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-30 21:30:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 183 states and 302 transitions. [2018-09-30 21:30:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 302 transitions. [2018-09-30 21:30:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:30:16,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:22,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 185 states and 305 transitions. [2018-09-30 21:30:22,081 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 305 transitions. [2018-09-30 21:30:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:30:22,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:22,894 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2018-09-30 21:30:23,192 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-30 21:30:24,390 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-30 21:30:25,607 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-30 21:30:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:25,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 186 states and 307 transitions. [2018-09-30 21:30:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2018-09-30 21:30:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:30:25,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 435 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 187 states and 309 transitions. [2018-09-30 21:30:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 309 transitions. [2018-09-30 21:30:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:30:28,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 528 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 188 states and 311 transitions. [2018-09-30 21:30:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 311 transitions. [2018-09-30 21:30:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:30:31,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 630 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:34,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2018-09-30 21:30:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2018-09-30 21:30:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:30:34,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 741 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:39,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2018-09-30 21:30:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2018-09-30 21:30:39,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:30:39,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:30:40,534 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-30 21:30:42,228 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-30 21:30:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:30:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 192 states and 318 transitions. [2018-09-30 21:30:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 318 transitions. [2018-09-30 21:30:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:30:42,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:30:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-30 21:30:43,134 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-30 21:30:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:30:43,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:30:43,220 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-30 21:30:43,220 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:30:43,222 INFO L168 Benchmark]: Toolchain (without parser) took 247112.02 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 947.4 MB in the end (delta: 520.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-30 21:30:43,223 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:30:43,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:30:43,223 INFO L168 Benchmark]: Boogie Preprocessor took 24.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:30:43,224 INFO L168 Benchmark]: RCFGBuilder took 324.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:30:43,224 INFO L168 Benchmark]: CodeCheck took 246717.53 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 947.4 MB in the end (delta: 499.7 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-30 21:30:43,227 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.99 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 24.86 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 324.47 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 246717.53 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 947.4 MB in the end (delta: 499.7 MB). Peak memory consumption was 2.3 GB. 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-0-2018-09-30_21-30-43-237.csv Completed graceful shutdown