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 [2018-10-01 02:46:13,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 02:46:13,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 02:46:13,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 02:46:13,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 02:46:13,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 02:46:13,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 02:46:13,343 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 02:46:13,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 02:46:13,348 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 02:46:13,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 02:46:13,350 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 02:46:13,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 02:46:13,355 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 02:46:13,362 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 02:46:13,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 02:46:13,363 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 02:46:13,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 02:46:13,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 02:46:13,376 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 02:46:13,377 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 02:46:13,378 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 02:46:13,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 02:46:13,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 02:46:13,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 02:46:13,384 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 02:46:13,386 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 02:46:13,387 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 02:46:13,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 02:46:13,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 02:46:13,390 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 02:46:13,391 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 02:46:13,391 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 02:46:13,391 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 02:46:13,394 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 02:46:13,395 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 02:46:13,395 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 02:46:13,424 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 02:46:13,424 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 02:46:13,425 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 02:46:13,425 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 02:46:13,426 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 02:46:13,426 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 02:46:13,426 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 02:46:13,426 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 02:46:13,427 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 02:46:13,427 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 02:46:13,427 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 02:46:13,427 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 02:46:13,427 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 02:46:13,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 02:46:13,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 02:46:13,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 02:46:13,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 02:46:13,428 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 02:46:13,429 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 02:46:13,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 02:46:13,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 02:46:13,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:46:13,430 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 02:46:13,430 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 02:46:13,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 02:46:13,430 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 02:46:13,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 02:46:13,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 02:46:13,431 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 02:46:13,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 02:46:13,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 02:46:13,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 02:46:13,519 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 02:46:13,519 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 02:46:13,520 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-10-01 02:46:13,520 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-10-01 02:46:13,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 02:46:13,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 02:46:13,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 02:46:13,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 02:46:13,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 02:46:13,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,617 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 02:46:13,617 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 02:46:13,618 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 02:46:13,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 02:46:13,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 02:46:13,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 02:46:13,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 02:46:13,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 02:46:13,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 02:46:13,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 02:46:13,648 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 02:46:13,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:46:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:46:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-10-01 02:46:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-10-01 02:46:13,961 INFO L345 CfgBuilder]: Using library mode [2018-10-01 02:46:13,962 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:46:13 BoogieIcfgContainer [2018-10-01 02:46:13,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 02:46:13,963 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 02:46:13,963 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 02:46:13,976 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 02:46:13,976 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:46:13" (1/1) ... [2018-10-01 02:46:13,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 02:46:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-01 02:46:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-01 02:46:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 02:46:14,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:14,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-10-01 02:46:14,403 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-10-01 02:46:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 02:46:14,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:14,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-10-01 02:46:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-10-01 02:46:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 02:46:14,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2018-10-01 02:46:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2018-10-01 02:46:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 02:46:15,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-01 02:46:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-01 02:46:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 02:46:16,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:16,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2018-10-01 02:46:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2018-10-01 02:46:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 02:46:16,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-10-01 02:46:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-10-01 02:46:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 02:46:17,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:17,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-10-01 02:46:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-10-01 02:46:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:46:17,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:17,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-01 02:46:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-01 02:46:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:46:17,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:18,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-10-01 02:46:18,242 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-10-01 02:46:18,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 02:46:18,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:18,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-10-01 02:46:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-10-01 02:46:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 02:46:18,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:18,840 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-10-01 02:46:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-10-01 02:46:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 02:46:19,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-10-01 02:46:19,444 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-10-01 02:46:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 02:46:19,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:19,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-10-01 02:46:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-10-01 02:46:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 02:46:19,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-10-01 02:46:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-10-01 02:46:20,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:46:20,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-10-01 02:46:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-10-01 02:46:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:46:22,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-10-01 02:46:23,270 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-10-01 02:46:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 02:46:23,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-10-01 02:46:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-10-01 02:46:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:46:23,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:24,129 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:24,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:24,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2018-10-01 02:46:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2018-10-01 02:46:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:46:24,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:24,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2018-10-01 02:46:24,864 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2018-10-01 02:46:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:46:24,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:25,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-10-01 02:46:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-10-01 02:46:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 02:46:25,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:26,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-10-01 02:46:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-10-01 02:46:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:46:26,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-10-01 02:46:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-10-01 02:46:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:46:26,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:27,285 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-01 02:46:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-10-01 02:46:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-10-01 02:46:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:46:27,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2018-10-01 02:46:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2018-10-01 02:46:28,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 02:46:28,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:28,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-10-01 02:46:28,632 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-10-01 02:46:28,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:46:28,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:29,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2018-10-01 02:46:29,398 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-10-01 02:46:29,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:46:29,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-10-01 02:46:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-10-01 02:46:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:46:30,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2018-10-01 02:46:32,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-10-01 02:46:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 02:46:32,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2018-10-01 02:46:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2018-10-01 02:46:33,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:46:33,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:34,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions. [2018-10-01 02:46:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2018-10-01 02:46:34,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:46:34,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2018-10-01 02:46:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2018-10-01 02:46:36,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:46:36,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2018-10-01 02:46:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2018-10-01 02:46:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 02:46:36,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2018-10-01 02:46:37,676 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2018-10-01 02:46:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:46:37,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:38,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2018-10-01 02:46:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2018-10-01 02:46:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:46:38,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 99 transitions. [2018-10-01 02:46:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2018-10-01 02:46:40,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:46:40,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2018-10-01 02:46:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2018-10-01 02:46:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:46:40,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 105 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2018-10-01 02:46:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2018-10-01 02:46:43,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 02:46:43,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:43,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2018-10-01 02:46:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2018-10-01 02:46:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:46:43,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2018-10-01 02:46:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2018-10-01 02:46:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:46:44,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2018-10-01 02:46:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2018-10-01 02:46:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:46:46,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 105 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:47,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 112 transitions. [2018-10-01 02:46:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2018-10-01 02:46:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 02:46:47,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 115 transitions. [2018-10-01 02:46:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2018-10-01 02:46:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:46:48,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2018-10-01 02:46:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2018-10-01 02:46:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:46:49,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:50,409 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-10-01 02:46:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2018-10-01 02:46:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2018-10-01 02:46:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:46:51,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 77 states and 122 transitions. [2018-10-01 02:46:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2018-10-01 02:46:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:46:52,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2018-10-01 02:46:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2018-10-01 02:46:54,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 02:46:54,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 127 transitions. [2018-10-01 02:46:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2018-10-01 02:46:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:46:55,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:57,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2018-10-01 02:46:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2018-10-01 02:46:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:46:57,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:57,649 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-01 02:46:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2018-10-01 02:46:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2018-10-01 02:46:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:46:58,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2018-10-01 02:46:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2018-10-01 02:46:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:46:59,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 153 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-10-01 02:47:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-10-01 02:47:00,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 02:47:00,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2018-10-01 02:47:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2018-10-01 02:47:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:47:02,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-10-01 02:47:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-10-01 02:47:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:47:04,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:05,189 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-10-01 02:47:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2018-10-01 02:47:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2018-10-01 02:47:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:47:06,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 153 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2018-10-01 02:47:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2018-10-01 02:47:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:47:07,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 210 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 147 transitions. [2018-10-01 02:47:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2018-10-01 02:47:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 02:47:09,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 94 states and 150 transitions. [2018-10-01 02:47:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions. [2018-10-01 02:47:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:47:11,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2018-10-01 02:47:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2018-10-01 02:47:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:47:12,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:13,602 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-10-01 02:47:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2018-10-01 02:47:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2018-10-01 02:47:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:47:14,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 153 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:15,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2018-10-01 02:47:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2018-10-01 02:47:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:47:15,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 210 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 159 transitions. [2018-10-01 02:47:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-10-01 02:47:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 02:47:17,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:18,135 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-01 02:47:18,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 101 states and 162 transitions. [2018-10-01 02:47:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2018-10-01 02:47:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:47:18,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2018-10-01 02:47:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-10-01 02:47:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:47:21,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:21,713 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-10-01 02:47:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 104 states and 167 transitions. [2018-10-01 02:47:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2018-10-01 02:47:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:47:22,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 153 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2018-10-01 02:47:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2018-10-01 02:47:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:47:23,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 210 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 170 transitions. [2018-10-01 02:47:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2018-10-01 02:47:25,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:47:25,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 276 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:27,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:27,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 172 transitions. [2018-10-01 02:47:27,673 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2018-10-01 02:47:27,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 02:47:27,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:28,391 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-01 02:47:29,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:29,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 175 transitions. [2018-10-01 02:47:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 175 transitions. [2018-10-01 02:47:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:47:29,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2018-10-01 02:47:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2018-10-01 02:47:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:47:31,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:33,091 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-10-01 02:47:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 180 transitions. [2018-10-01 02:47:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-10-01 02:47:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:47:34,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 210 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 113 states and 182 transitions. [2018-10-01 02:47:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2018-10-01 02:47:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:47:36,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 276 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:38,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 114 states and 184 transitions. [2018-10-01 02:47:38,091 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2018-10-01 02:47:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 02:47:38,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2018-10-01 02:47:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2018-10-01 02:47:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:47:39,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2018-10-01 02:47:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2018-10-01 02:47:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:47:42,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:43,022 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-10-01 02:47:43,845 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-10-01 02:47:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2018-10-01 02:47:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2018-10-01 02:47:44,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:47:44,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 210 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2018-10-01 02:47:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2018-10-01 02:47:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:47:45,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 276 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 121 states and 196 transitions. [2018-10-01 02:47:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 196 transitions. [2018-10-01 02:47:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:47:47,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 351 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 198 transitions. [2018-10-01 02:47:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2018-10-01 02:47:50,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 02:47:50,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 124 states and 201 transitions. [2018-10-01 02:47:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 201 transitions. [2018-10-01 02:47:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:47:52,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 204 transitions. [2018-10-01 02:47:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2018-10-01 02:47:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:47:55,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:56,364 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2018-10-01 02:47:56,547 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-01 02:47:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 127 states and 206 transitions. [2018-10-01 02:47:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions. [2018-10-01 02:47:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:47:57,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:47:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 210 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:47:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:47:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 128 states and 207 transitions. [2018-10-01 02:47:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-10-01 02:47:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:47:59,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:47:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 276 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:02,581 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-10-01 02:48:03,159 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-01 02:48:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 129 states and 209 transitions. [2018-10-01 02:48:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2018-10-01 02:48:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:48:11,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 351 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 130 states and 211 transitions. [2018-10-01 02:48:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-10-01 02:48:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 02:48:12,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:13,883 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-01 02:48:14,923 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-01 02:48:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 132 states and 214 transitions. [2018-10-01 02:48:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2018-10-01 02:48:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:48:14,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:18,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:18,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2018-10-01 02:48:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2018-10-01 02:48:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:48:18,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:18,950 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-10-01 02:48:19,156 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-01 02:48:19,935 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-01 02:48:20,673 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-01 02:48:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 135 states and 219 transitions. [2018-10-01 02:48:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 219 transitions. [2018-10-01 02:48:20,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:48:20,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 276 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:23,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2018-10-01 02:48:23,039 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2018-10-01 02:48:23,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:48:23,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 351 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 137 states and 223 transitions. [2018-10-01 02:48:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-10-01 02:48:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:48:25,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 435 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 138 states and 225 transitions. [2018-10-01 02:48:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2018-10-01 02:48:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 02:48:29,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:30,341 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-10-01 02:48:31,403 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-01 02:48:31,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 140 states and 228 transitions. [2018-10-01 02:48:31,474 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2018-10-01 02:48:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:48:31,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 142 states and 231 transitions. [2018-10-01 02:48:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2018-10-01 02:48:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:48:36,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:36,659 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-10-01 02:48:36,864 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-01 02:48:37,650 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-01 02:48:38,446 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-01 02:48:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 143 states and 233 transitions. [2018-10-01 02:48:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 233 transitions. [2018-10-01 02:48:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:48:38,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 276 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:40,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:40,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2018-10-01 02:48:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-10-01 02:48:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:48:40,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 351 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-10-01 02:48:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-10-01 02:48:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:48:42,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 435 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 146 states and 239 transitions. [2018-10-01 02:48:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 239 transitions. [2018-10-01 02:48:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 02:48:44,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:46,094 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-01 02:48:47,212 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-01 02:48:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 148 states and 242 transitions. [2018-10-01 02:48:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 242 transitions. [2018-10-01 02:48:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:48:47,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:51,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-10-01 02:48:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-10-01 02:48:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:48:51,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:52,258 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2018-10-01 02:48:52,562 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-01 02:48:53,421 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-01 02:48:54,287 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-01 02:48:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 151 states and 247 transitions. [2018-10-01 02:48:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 247 transitions. [2018-10-01 02:48:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:48:54,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 276 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 152 states and 248 transitions. [2018-10-01 02:48:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 248 transitions. [2018-10-01 02:48:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:48:55,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 351 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2018-10-01 02:48:58,011 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2018-10-01 02:48:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:48:58,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 435 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 154 states and 252 transitions. [2018-10-01 02:49:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 252 transitions. [2018-10-01 02:49:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:49:00,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:01,599 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 528 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 155 states and 254 transitions. [2018-10-01 02:49:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 254 transitions. [2018-10-01 02:49:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 02:49:04,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:05,929 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-01 02:49:07,234 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-01 02:49:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2018-10-01 02:49:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2018-10-01 02:49:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:49:07,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 159 states and 260 transitions. [2018-10-01 02:49:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 260 transitions. [2018-10-01 02:49:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:49:12,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:13,070 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2018-10-01 02:49:13,311 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-01 02:49:14,260 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-01 02:49:15,210 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-01 02:49:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 160 states and 262 transitions. [2018-10-01 02:49:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2018-10-01 02:49:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:49:15,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 351 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 161 states and 264 transitions. [2018-10-01 02:49:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 264 transitions. [2018-10-01 02:49:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:49:17,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 435 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 162 states and 266 transitions. [2018-10-01 02:49:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2018-10-01 02:49:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:49:20,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 528 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 163 states and 268 transitions. [2018-10-01 02:49:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 268 transitions. [2018-10-01 02:49:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 02:49:23,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:24,553 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-10-01 02:49:25,904 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-01 02:49:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 165 states and 271 transitions. [2018-10-01 02:49:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 271 transitions. [2018-10-01 02:49:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:49:26,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 167 states and 274 transitions. [2018-10-01 02:49:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 274 transitions. [2018-10-01 02:49:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:49:31,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:31,950 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2018-10-01 02:49:32,193 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-01 02:49:33,267 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-01 02:49:34,233 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-01 02:49:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 168 states and 276 transitions. [2018-10-01 02:49:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 276 transitions. [2018-10-01 02:49:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:49:34,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 351 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 169 states and 278 transitions. [2018-10-01 02:49:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 278 transitions. [2018-10-01 02:49:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:49:36,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 435 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-10-01 02:49:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-10-01 02:49:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:49:38,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 528 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:41,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 171 states and 282 transitions. [2018-10-01 02:49:41,359 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 282 transitions. [2018-10-01 02:49:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:49:41,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 630 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2018-10-01 02:49:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2018-10-01 02:49:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 02:49:45,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:47,309 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-10-01 02:49:48,708 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-01 02:49:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 174 states and 287 transitions. [2018-10-01 02:49:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 287 transitions. [2018-10-01 02:49:48,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:49:48,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2018-10-01 02:49:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2018-10-01 02:49:54,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:49:54,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:54,885 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-10-01 02:49:55,147 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-01 02:49:56,204 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-01 02:49:57,297 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-01 02:49:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 292 transitions. [2018-10-01 02:49:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 292 transitions. [2018-10-01 02:49:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:49:57,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 351 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 178 states and 293 transitions. [2018-10-01 02:49:58,689 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 293 transitions. [2018-10-01 02:49:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:49:58,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:58,865 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 435 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 179 states and 295 transitions. [2018-10-01 02:50:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 295 transitions. [2018-10-01 02:50:01,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:50:01,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 528 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 180 states and 297 transitions. [2018-10-01 02:50:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 297 transitions. [2018-10-01 02:50:04,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:50:04,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 630 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 181 states and 299 transitions. [2018-10-01 02:50:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 299 transitions. [2018-10-01 02:50:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 02:50:06,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:08,238 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-01 02:50:09,730 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-01 02:50:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 183 states and 302 transitions. [2018-10-01 02:50:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 302 transitions. [2018-10-01 02:50:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:50:09,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:15,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 185 states and 305 transitions. [2018-10-01 02:50:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 305 transitions. [2018-10-01 02:50:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:50:15,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:16,767 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2018-10-01 02:50:17,037 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-01 02:50:18,194 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-01 02:50:19,343 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-01 02:50:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 186 states and 307 transitions. [2018-10-01 02:50:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2018-10-01 02:50:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:50:19,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 435 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 187 states and 309 transitions. [2018-10-01 02:50:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 309 transitions. [2018-10-01 02:50:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:50:22,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 528 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 188 states and 311 transitions. [2018-10-01 02:50:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 311 transitions. [2018-10-01 02:50:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:50:25,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 630 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2018-10-01 02:50:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2018-10-01 02:50:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:50:28,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 741 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2018-10-01 02:50:33,219 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2018-10-01 02:50:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 02:50:33,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:33,610 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:34,599 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-10-01 02:50:36,230 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-01 02:50:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:36,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 192 states and 318 transitions. [2018-10-01 02:50:36,323 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 318 transitions. [2018-10-01 02:50:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:50:36,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 378 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 194 states and 321 transitions. [2018-10-01 02:50:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 321 transitions. [2018-10-01 02:50:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:50:42,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 378 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:43,749 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 135 [2018-10-01 02:50:44,040 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-01 02:50:45,275 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-01 02:50:46,523 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-01 02:50:46,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 195 states and 323 transitions. [2018-10-01 02:50:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 323 transitions. [2018-10-01 02:50:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:50:46,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 435 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 196 states and 325 transitions. [2018-10-01 02:50:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 325 transitions. [2018-10-01 02:50:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:50:48,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 528 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 197 states and 327 transitions. [2018-10-01 02:50:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 327 transitions. [2018-10-01 02:50:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:50:51,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 630 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 198 states and 329 transitions. [2018-10-01 02:50:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 329 transitions. [2018-10-01 02:50:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:50:54,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 741 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:57,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 199 states and 331 transitions. [2018-10-01 02:50:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 331 transitions. [2018-10-01 02:50:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 02:50:57,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:59,219 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-10-01 02:51:00,927 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-01 02:51:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 201 states and 334 transitions. [2018-10-01 02:51:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 334 transitions. [2018-10-01 02:51:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:51:01,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 406 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 203 states and 337 transitions. [2018-10-01 02:51:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 337 transitions. [2018-10-01 02:51:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:51:07,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 406 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:08,669 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2018-10-01 02:51:08,970 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-01 02:51:10,290 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-01 02:51:11,610 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-01 02:51:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 204 states and 339 transitions. [2018-10-01 02:51:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 339 transitions. [2018-10-01 02:51:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:51:11,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 435 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:13,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:13,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 205 states and 340 transitions. [2018-10-01 02:51:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions. [2018-10-01 02:51:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:51:13,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 528 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 206 states and 342 transitions. [2018-10-01 02:51:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 342 transitions. [2018-10-01 02:51:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:51:16,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 630 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 207 states and 344 transitions. [2018-10-01 02:51:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 344 transitions. [2018-10-01 02:51:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:51:19,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 741 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 208 states and 346 transitions. [2018-10-01 02:51:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 346 transitions. [2018-10-01 02:51:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:51:22,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 861 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 209 states and 348 transitions. [2018-10-01 02:51:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 348 transitions. [2018-10-01 02:51:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 02:51:28,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:29,770 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-10-01 02:51:31,637 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-01 02:51:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:31,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 211 states and 351 transitions. [2018-10-01 02:51:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 351 transitions. [2018-10-01 02:51:31,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:51:31,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 435 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:39,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 213 states and 354 transitions. [2018-10-01 02:51:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 354 transitions. [2018-10-01 02:51:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:51:39,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:39,561 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 435 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:40,124 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-10-01 02:51:40,455 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-01 02:51:41,864 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-01 02:51:43,295 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-01 02:51:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 214 states and 356 transitions. [2018-10-01 02:51:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 356 transitions. [2018-10-01 02:51:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:51:43,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 528 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 215 states and 358 transitions. [2018-10-01 02:51:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 358 transitions. [2018-10-01 02:51:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:51:46,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 630 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 216 states and 360 transitions. [2018-10-01 02:51:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 360 transitions. [2018-10-01 02:51:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:51:49,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 741 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:53,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 217 states and 362 transitions. [2018-10-01 02:51:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 362 transitions. [2018-10-01 02:51:53,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:51:53,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 861 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 218 states and 364 transitions. [2018-10-01 02:51:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 364 transitions. [2018-10-01 02:51:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 02:51:56,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:58,399 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-01 02:52:00,562 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-01 02:52:00,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 220 states and 367 transitions. [2018-10-01 02:52:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 367 transitions. [2018-10-01 02:52:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:52:00,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 465 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:08,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 222 states and 370 transitions. [2018-10-01 02:52:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 370 transitions. [2018-10-01 02:52:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:52:08,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 465 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:09,551 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2018-10-01 02:52:09,886 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-01 02:52:11,406 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-01 02:52:13,062 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-01 02:52:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2018-10-01 02:52:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2018-10-01 02:52:13,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:52:13,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 528 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 224 states and 374 transitions. [2018-10-01 02:52:15,691 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 374 transitions. [2018-10-01 02:52:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:52:15,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 630 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:19,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 225 states and 376 transitions. [2018-10-01 02:52:19,028 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 376 transitions. [2018-10-01 02:52:19,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:52:19,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 741 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 226 states and 378 transitions. [2018-10-01 02:52:22,475 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 378 transitions. [2018-10-01 02:52:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:52:22,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 861 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 227 states and 380 transitions. [2018-10-01 02:52:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2018-10-01 02:52:26,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:52:26,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 990 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 228 states and 382 transitions. [2018-10-01 02:52:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 382 transitions. [2018-10-01 02:52:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 02:52:32,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:34,202 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-10-01 02:52:36,519 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-01 02:52:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 230 states and 385 transitions. [2018-10-01 02:52:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 385 transitions. [2018-10-01 02:52:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:52:36,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 496 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:45,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 232 states and 388 transitions. [2018-10-01 02:52:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 388 transitions. [2018-10-01 02:52:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:52:45,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 496 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:46,363 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2018-10-01 02:52:46,891 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-01 02:52:48,546 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-01 02:52:50,180 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-01 02:52:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 233 states and 390 transitions. [2018-10-01 02:52:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 390 transitions. [2018-10-01 02:52:50,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:52:50,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 528 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 234 states and 391 transitions. [2018-10-01 02:52:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 391 transitions. [2018-10-01 02:52:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:52:52,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 630 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:55,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 235 states and 393 transitions. [2018-10-01 02:52:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 393 transitions. [2018-10-01 02:52:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:52:55,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 741 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 236 states and 395 transitions. [2018-10-01 02:52:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 395 transitions. [2018-10-01 02:52:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:52:59,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 861 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 237 states and 397 transitions. [2018-10-01 02:53:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 397 transitions. [2018-10-01 02:53:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:53:02,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 990 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 238 states and 399 transitions. [2018-10-01 02:53:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 399 transitions. [2018-10-01 02:53:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 02:53:06,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:08,551 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-10-01 02:53:10,995 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-01 02:53:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 240 states and 402 transitions. [2018-10-01 02:53:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 402 transitions. [2018-10-01 02:53:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:53:11,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 528 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:20,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 242 states and 405 transitions. [2018-10-01 02:53:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 405 transitions. [2018-10-01 02:53:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:53:20,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 528 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:21,712 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 160 [2018-10-01 02:53:22,100 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-01 02:53:23,856 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-01 02:53:25,599 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-01 02:53:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 243 states and 407 transitions. [2018-10-01 02:53:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 407 transitions. [2018-10-01 02:53:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:53:25,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 630 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 244 states and 409 transitions. [2018-10-01 02:53:29,399 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 409 transitions. [2018-10-01 02:53:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:53:29,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 741 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 245 states and 411 transitions. [2018-10-01 02:53:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 411 transitions. [2018-10-01 02:53:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:53:33,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 861 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 246 states and 413 transitions. [2018-10-01 02:53:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 413 transitions. [2018-10-01 02:53:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:53:37,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 990 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:41,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 247 states and 415 transitions. [2018-10-01 02:53:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 415 transitions. [2018-10-01 02:53:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:53:41,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 1128 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 248 states and 417 transitions. [2018-10-01 02:53:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 417 transitions. [2018-10-01 02:53:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 02:53:48,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:50,311 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-10-01 02:53:52,720 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-10-01 02:53:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 250 states and 420 transitions. [2018-10-01 02:53:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 420 transitions. [2018-10-01 02:53:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:53:52,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 561 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 252 states and 423 transitions. [2018-10-01 02:54:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 423 transitions. [2018-10-01 02:54:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:54:03,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 561 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:04,689 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2018-10-01 02:54:05,095 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-10-01 02:54:07,008 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-10-01 02:54:08,882 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-10-01 02:54:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 253 states and 425 transitions. [2018-10-01 02:54:09,013 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 425 transitions. [2018-10-01 02:54:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:54:09,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 630 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:12,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 254 states and 427 transitions. [2018-10-01 02:54:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 427 transitions. [2018-10-01 02:54:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:54:12,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 741 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 255 states and 429 transitions. [2018-10-01 02:54:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 429 transitions. [2018-10-01 02:54:16,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:54:16,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 861 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 256 states and 431 transitions. [2018-10-01 02:54:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 431 transitions. [2018-10-01 02:54:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:54:20,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 990 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 257 states and 433 transitions. [2018-10-01 02:54:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 433 transitions. [2018-10-01 02:54:24,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:54:24,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 1128 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:29,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 258 states and 435 transitions. [2018-10-01 02:54:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 435 transitions. [2018-10-01 02:54:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 02:54:29,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:31,089 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-10-01 02:54:33,897 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-01 02:54:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 260 states and 438 transitions. [2018-10-01 02:54:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 438 transitions. [2018-10-01 02:54:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:54:34,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 595 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:44,679 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-01 02:54:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 262 states and 441 transitions. [2018-10-01 02:54:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 441 transitions. [2018-10-01 02:54:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:54:45,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 595 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:46,265 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2018-10-01 02:54:46,691 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-01 02:54:48,679 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-01 02:54:50,727 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-10-01 02:54:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 263 states and 443 transitions. [2018-10-01 02:54:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 443 transitions. [2018-10-01 02:54:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:54:50,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 630 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:52,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:52,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 264 states and 444 transitions. [2018-10-01 02:54:52,846 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 444 transitions. [2018-10-01 02:54:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:54:52,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 741 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:57,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 265 states and 446 transitions. [2018-10-01 02:54:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 446 transitions. [2018-10-01 02:54:57,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:54:57,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 861 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 266 states and 448 transitions. [2018-10-01 02:55:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 448 transitions. [2018-10-01 02:55:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:55:01,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 990 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:05,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 267 states and 450 transitions. [2018-10-01 02:55:05,614 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 450 transitions. [2018-10-01 02:55:05,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:55:05,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 1128 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:10,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:10,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 268 states and 452 transitions. [2018-10-01 02:55:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 452 transitions. [2018-10-01 02:55:10,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:55:10,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 1275 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 269 states and 454 transitions. [2018-10-01 02:55:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 454 transitions. [2018-10-01 02:55:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-01 02:55:17,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:20,262 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-10-01 02:55:22,999 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-10-01 02:55:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 271 states and 457 transitions. [2018-10-01 02:55:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 457 transitions. [2018-10-01 02:55:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:55:23,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 630 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 273 states and 460 transitions. [2018-10-01 02:55:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 460 transitions. [2018-10-01 02:55:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:55:35,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 630 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:36,382 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2018-10-01 02:55:36,817 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-10-01 02:55:38,934 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-10-01 02:55:41,053 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-01 02:55:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:41,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 274 states and 462 transitions. [2018-10-01 02:55:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 462 transitions. [2018-10-01 02:55:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:55:41,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 741 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 275 states and 464 transitions. [2018-10-01 02:55:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 464 transitions. [2018-10-01 02:55:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:55:45,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 861 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:50,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 276 states and 466 transitions. [2018-10-01 02:55:50,084 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 466 transitions. [2018-10-01 02:55:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:55:50,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1315 backedges. 990 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 277 states and 468 transitions. [2018-10-01 02:55:54,826 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 468 transitions. [2018-10-01 02:55:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:55:54,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 1128 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 278 states and 470 transitions. [2018-10-01 02:55:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 470 transitions. [2018-10-01 02:55:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:55:59,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 1275 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 279 states and 472 transitions. [2018-10-01 02:56:04,169 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 472 transitions. [2018-10-01 02:56:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-01 02:56:04,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:06,626 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-10-01 02:56:09,546 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-10-01 02:56:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 281 states and 475 transitions. [2018-10-01 02:56:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 475 transitions. [2018-10-01 02:56:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:56:09,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 666 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 283 states and 478 transitions. [2018-10-01 02:56:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 478 transitions. [2018-10-01 02:56:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:56:22,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 666 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:24,291 WARN L178 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 180 [2018-10-01 02:56:24,750 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-10-01 02:56:27,008 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-10-01 02:56:29,448 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-10-01 02:56:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 284 states and 480 transitions. [2018-10-01 02:56:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 480 transitions. [2018-10-01 02:56:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:56:29,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 741 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 285 states and 482 transitions. [2018-10-01 02:56:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 482 transitions. [2018-10-01 02:56:32,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:56:32,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 861 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 286 states and 484 transitions. [2018-10-01 02:56:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 484 transitions. [2018-10-01 02:56:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:56:37,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 990 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 287 states and 486 transitions. [2018-10-01 02:56:42,341 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 486 transitions. [2018-10-01 02:56:42,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:56:42,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 1128 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 288 states and 488 transitions. [2018-10-01 02:56:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 488 transitions. [2018-10-01 02:56:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:56:47,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 1275 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:52,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 289 states and 490 transitions. [2018-10-01 02:56:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 490 transitions. [2018-10-01 02:56:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:56:52,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1431 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 290 states and 492 transitions. [2018-10-01 02:57:00,660 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 492 transitions. [2018-10-01 02:57:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-01 02:57:00,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:02,091 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 7 [2018-10-01 02:57:03,236 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-10-01 02:57:06,312 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-10-01 02:57:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 292 states and 495 transitions. [2018-10-01 02:57:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 495 transitions. [2018-10-01 02:57:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:57:06,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 703 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 294 states and 498 transitions. [2018-10-01 02:57:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 498 transitions. [2018-10-01 02:57:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:57:20,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 703 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:21,491 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-10-01 02:57:21,972 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-10-01 02:57:24,390 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-10-01 02:57:26,952 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-10-01 02:57:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 295 states and 500 transitions. [2018-10-01 02:57:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 500 transitions. [2018-10-01 02:57:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:57:27,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 741 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 296 states and 501 transitions. [2018-10-01 02:57:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 501 transitions. [2018-10-01 02:57:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:57:29,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:29,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 861 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 297 states and 503 transitions. [2018-10-01 02:57:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 503 transitions. [2018-10-01 02:57:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:57:34,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 990 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 298 states and 505 transitions. [2018-10-01 02:57:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 505 transitions. [2018-10-01 02:57:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:57:39,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1479 backedges. 1128 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 299 states and 507 transitions. [2018-10-01 02:57:44,009 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 507 transitions. [2018-10-01 02:57:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:57:44,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 1275 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 300 states and 509 transitions. [2018-10-01 02:57:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 509 transitions. [2018-10-01 02:57:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:57:49,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 1431 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 301 states and 511 transitions. [2018-10-01 02:57:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 511 transitions. [2018-10-01 02:57:54,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-01 02:57:54,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:56,879 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-10-01 02:58:00,340 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-10-01 02:58:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:00,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 303 states and 514 transitions. [2018-10-01 02:58:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 514 transitions. [2018-10-01 02:58:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:58:00,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:13,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 741 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 305 states and 517 transitions. [2018-10-01 02:58:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 517 transitions. [2018-10-01 02:58:15,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:58:15,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 741 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:16,570 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2018-10-01 02:58:17,061 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-10-01 02:58:19,600 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-10-01 02:58:22,123 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-10-01 02:58:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 306 states and 519 transitions. [2018-10-01 02:58:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 519 transitions. [2018-10-01 02:58:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:58:22,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 861 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 307 states and 521 transitions. [2018-10-01 02:58:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 521 transitions. [2018-10-01 02:58:27,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:58:27,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 990 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 308 states and 523 transitions. [2018-10-01 02:58:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 523 transitions. [2018-10-01 02:58:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:58:32,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 1128 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 309 states and 525 transitions. [2018-10-01 02:58:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 525 transitions. [2018-10-01 02:58:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:58:37,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 1275 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 310 states and 527 transitions. [2018-10-01 02:58:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 527 transitions. [2018-10-01 02:58:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:58:42,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:43,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 1431 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 311 states and 529 transitions. [2018-10-01 02:58:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 529 transitions. [2018-10-01 02:58:48,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:58:48,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 1596 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 312 states and 531 transitions. [2018-10-01 02:58:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 531 transitions. [2018-10-01 02:58:58,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 02:58:58,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:59:00,761 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-10-01 02:59:04,220 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-10-01 02:59:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:59:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 314 states and 534 transitions. [2018-10-01 02:59:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 534 transitions. [2018-10-01 02:59:04,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 02:59:04,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:59:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-01 02:59:13,113 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-01 02:59:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:59:13,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:59:13,215 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-01 02:59:13,216 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 02:59:13,218 INFO L168 Benchmark]: Toolchain (without parser) took 779645.55 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -557.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-01 02:59:13,218 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. [2018-10-01 02:59:13,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:59:13,219 INFO L168 Benchmark]: Boogie Preprocessor took 25.98 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:59:13,219 INFO L168 Benchmark]: RCFGBuilder took 315.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 02:59:13,219 INFO L168 Benchmark]: CodeCheck took 779254.55 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -578.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-01 02:59:13,221 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 2080 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 44.39 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 25.98 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 315.09 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 779254.55 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -578.4 MB). Peak memory consumption was 1.3 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-0-2018-10-01_02-59-13-228.csv Completed graceful shutdown