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_PUPT.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:21:46,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:21:46,256 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:21:46,268 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:21:46,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:21:46,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:21:46,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:21:46,272 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:21:46,273 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:21:46,274 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:21:46,275 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:21:46,275 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:21:46,276 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:21:46,277 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:21:46,278 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:21:46,279 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:21:46,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:21:46,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:21:46,284 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:21:46,285 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:21:46,286 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:21:46,287 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:21:46,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:21:46,290 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:21:46,290 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:21:46,291 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:21:46,292 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:21:46,293 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:21:46,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:21:46,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:21:46,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:21:46,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:21:46,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:21:46,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:21:46,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:21:46,298 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:21:46,298 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:21:46,313 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:21:46,314 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:21:46,315 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:21:46,316 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:21:46,318 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:21:46,318 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:21:46,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:21:46,318 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:21:46,318 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:21:46,319 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:21:46,319 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:21:46,319 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:21:46,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:21:46,320 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:21:46,320 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:21:46,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:21:46,320 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:21:46,320 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:21:46,321 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:21:46,321 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:21:46,321 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:21:46,321 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:21:46,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:21:46,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:21:46,323 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:21:46,323 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:21:46,323 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:21:46,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:21:46,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:21:46,324 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:21:46,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:21:46,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:21:46,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:21:46,402 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:21:46,402 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:21:46,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-10-03 10:21:46,403 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-10-03 10:21:46,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:21:46,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:21:46,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:21:46,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:21:46,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:21:46,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,491 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 10:21:46,491 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 10:21:46,491 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 10:21:46,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:21:46,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:21:46,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:21:46,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:21:46,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:21:46,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:21:46,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:21:46,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:21:46,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:21:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:21:46,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-03 10:21:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-03 10:21:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-03 10:21:46,925 INFO L337 CfgBuilder]: Using library mode [2018-10-03 10:21:46,926 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:21:46 BoogieIcfgContainer [2018-10-03 10:21:46,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:21:46,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:21:46,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:21:46,941 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:21:46,941 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:21:46" (1/1) ... [2018-10-03 10:21:46,956 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:21:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-03 10:21:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-03 10:21:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-03 10:21:47,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-03 10:21:47,490 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-03 10:21:47,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-03 10:21:47,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-03 10:21:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-03 10:21:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:21:47,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:48,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-10-03 10:21:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-10-03 10:21:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 10:21:48,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:48,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-03 10:21:48,807 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-03 10:21:48,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:21:48,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-03 10:21:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-03 10:21:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:21:49,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:49,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-10-03 10:21:49,974 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-10-03 10:21:49,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:21:49,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-10-03 10:21:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-10-03 10:21:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:21:50,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-10-03 10:21:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-10-03 10:21:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:21:50,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-10-03 10:21:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-10-03 10:21:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:21:51,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:51,813 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-10-03 10:21:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-10-03 10:21:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:21:52,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-10-03 10:21:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-10-03 10:21:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:21:52,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-10-03 10:21:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-10-03 10:21:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:21:53,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:54,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-10-03 10:21:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-10-03 10:21:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-03 10:21:54,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:54,280 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:54,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-03 10:21:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-03 10:21:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:21:54,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-03 10:21:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-03 10:21:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:21:55,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-10-03 10:21:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-10-03 10:21:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:21:55,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-10-03 10:21:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-10-03 10:21:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 10:21:56,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:57,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-10-03 10:21:57,154 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-10-03 10:21:57,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:21:57,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-10-03 10:21:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-10-03 10:21:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-03 10:21:58,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-10-03 10:21:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-10-03 10:21:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:21:59,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:59,210 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-10-03 10:21:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-10-03 10:21:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-03 10:21:59,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-10-03 10:22:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-10-03 10:22:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:22:00,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-10-03 10:22:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-10-03 10:22:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-03 10:22:01,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-10-03 10:22:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-10-03 10:22:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 10:22:03,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-10-03 10:22:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-10-03 10:22:04,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-03 10:22:04,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-10-03 10:22:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-10-03 10:22:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:22:05,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-10-03 10:22:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-10-03 10:22:06,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-03 10:22:06,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-10-03 10:22:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-10-03 10:22:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:22:06,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-10-03 10:22:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-10-03 10:22:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-03 10:22:07,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-10-03 10:22:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-10-03 10:22:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:22:08,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-03 10:22:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-03 10:22:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-03 10:22:09,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-10-03 10:22:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-10-03 10:22:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:22:11,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-10-03 10:22:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-10-03 10:22:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-03 10:22:12,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-10-03 10:22:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-10-03 10:22:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:22:13,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-10-03 10:22:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-10-03 10:22:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-03 10:22:14,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-10-03 10:22:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-10-03 10:22:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:22:15,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-10-03 10:22:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-10-03 10:22:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-03 10:22:16,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-10-03 10:22:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-10-03 10:22:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-03 10:22:19,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:20,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-10-03 10:22:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-10-03 10:22:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-03 10:22:20,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-10-03 10:22:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-10-03 10:22:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-03 10:22:21,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:23,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-10-03 10:22:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-10-03 10:22:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-03 10:22:23,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-10-03 10:22:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-10-03 10:22:25,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-03 10:22:25,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:26,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-03 10:22:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-03 10:22:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-03 10:22:26,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-10-03 10:22:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-10-03 10:22:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 10:22:27,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:28,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-10-03 10:22:28,989 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-10-03 10:22:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-03 10:22:28,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:30,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-10-03 10:22:30,263 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-10-03 10:22:30,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 10:22:30,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-10-03 10:22:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-10-03 10:22:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-03 10:22:31,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:32,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-10-03 10:22:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-10-03 10:22:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-03 10:22:32,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-10-03 10:22:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-10-03 10:22:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-03 10:22:33,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-10-03 10:22:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-10-03 10:22:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-03 10:22:35,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-10-03 10:22:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-10-03 10:22:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-03 10:22:36,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:37,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-10-03 10:22:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-10-03 10:22:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-03 10:22:37,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-10-03 10:22:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-10-03 10:22:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-03 10:22:38,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-10-03 10:22:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-10-03 10:22:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-03 10:22:40,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-10-03 10:22:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-10-03 10:22:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-03 10:22:41,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-10-03 10:22:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-10-03 10:22:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-03 10:22:42,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-10-03 10:22:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-10-03 10:22:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-03 10:22:52,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-10-03 10:22:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-10-03 10:22:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-03 10:22:54,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-10-03 10:22:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-10-03 10:22:55,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-03 10:22:55,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-10-03 10:22:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-10-03 10:22:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-03 10:22:57,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-10-03 10:22:58,695 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-10-03 10:22:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-03 10:22:58,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-10-03 10:23:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-10-03 10:23:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-03 10:23:00,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-10-03 10:23:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-10-03 10:23:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-03 10:23:01,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-10-03 10:23:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-10-03 10:23:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-03 10:23:03,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:05,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-10-03 10:23:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-10-03 10:23:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-03 10:23:05,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-10-03 10:23:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-10-03 10:23:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-03 10:23:06,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-10-03 10:23:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-10-03 10:23:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-03 10:23:08,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-10-03 10:23:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-10-03 10:23:11,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 10:23:11,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-10-03 10:23:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-10-03 10:23:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-03 10:23:12,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-10-03 10:23:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-10-03 10:23:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 10:23:14,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-10-03 10:23:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-10-03 10:23:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-03 10:23:16,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-10-03 10:23:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-10-03 10:23:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-03 10:23:18,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-10-03 10:23:19,999 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-10-03 10:23:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-03 10:23:19,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-10-03 10:23:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-10-03 10:23:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-03 10:23:21,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-10-03 10:23:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-10-03 10:23:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-03 10:23:23,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-10-03 10:23:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-10-03 10:23:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-03 10:23:25,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:28,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-10-03 10:23:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-10-03 10:23:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-03 10:23:28,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:30,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-10-03 10:23:30,055 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-10-03 10:23:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-03 10:23:30,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-10-03 10:23:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-10-03 10:23:32,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-03 10:23:32,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-10-03 10:23:34,098 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-10-03 10:23:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 10:23:34,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:36,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-10-03 10:23:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-10-03 10:23:36,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-03 10:23:36,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-10-03 10:23:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-10-03 10:23:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 10:23:38,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-10-03 10:23:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-10-03 10:23:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-03 10:23:40,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:42,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-10-03 10:23:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-10-03 10:23:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-03 10:23:42,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:44,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-10-03 10:23:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-10-03 10:23:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-03 10:23:44,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-10-03 10:23:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-10-03 10:23:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-03 10:23:46,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-10-03 10:23:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-10-03 10:23:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-03 10:23:48,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:50,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-10-03 10:23:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-10-03 10:23:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-03 10:23:50,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:53,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-10-03 10:23:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-10-03 10:23:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-03 10:23:53,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-10-03 10:23:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-10-03 10:23:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-03 10:23:55,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-10-03 10:23:57,674 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-10-03 10:23:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-03 10:23:57,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:59,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-10-03 10:23:59,962 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-10-03 10:23:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-03 10:23:59,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-10-03 10:24:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-10-03 10:24:02,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-03 10:24:02,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-10-03 10:24:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-10-03 10:24:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-03 10:24:04,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-10-03 10:24:07,324 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-10-03 10:24:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-03 10:24:07,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:09,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-10-03 10:24:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-10-03 10:24:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-03 10:24:09,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-10-03 10:24:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-10-03 10:24:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-03 10:24:12,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-10-03 10:24:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-10-03 10:24:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-03 10:24:15,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-10-03 10:24:17,735 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-10-03 10:24:17,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-03 10:24:17,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:20,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:20,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-10-03 10:24:20,303 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-10-03 10:24:20,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-03 10:24:20,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown