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 0.1.23-133090d [2018-10-04 10:48:23,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:48:23,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:48:23,324 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:48:23,325 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:48:23,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:48:23,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:48:23,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:48:23,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:48:23,332 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:48:23,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:48:23,333 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:48:23,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:48:23,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:48:23,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:48:23,337 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:48:23,338 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:48:23,340 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:48:23,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:48:23,344 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:48:23,345 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:48:23,346 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:48:23,348 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:48:23,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:48:23,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:48:23,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:48:23,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:48:23,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:48:23,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:48:23,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:48:23,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:48:23,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:48:23,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:48:23,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:48:23,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:48:23,357 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:48:23,357 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 [2018-10-04 10:48:23,375 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:48:23,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:48:23,380 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:48:23,380 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:48:23,381 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:48:23,381 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:48:23,381 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:48:23,381 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:48:23,381 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:48:23,383 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:48:23,383 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:48:23,383 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:48:23,383 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:48:23,383 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:48:23,384 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:48:23,384 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:48:23,384 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:48:23,384 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:48:23,384 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:48:23,385 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 10:48:23,385 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:48:23,385 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:48:23,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:48:23,386 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:48:23,386 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:48:23,386 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:48:23,386 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:48:23,387 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:48:23,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:48:23,387 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:48:23,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:48:23,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:48:23,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:48:23,458 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:48:23,459 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:48:23,460 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-10-04 10:48:23,461 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-10-04 10:48:23,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:48:23,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:48:23,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:48:23,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:48:23,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:48:23,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,548 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:48:23,548 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:48:23,549 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:48:23,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:48:23,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:48:23,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:48:23,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:48:23,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (1/1) ... [2018-10-04 10:48:23,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:48:23,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:48:23,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:48:23,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:48:23,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:48:23" (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 [2018-10-04 10:48:23,662 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 10:48:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 10:48:23,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 10:48:24,057 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:48:24,058 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:48:24 BoogieIcfgContainer [2018-10-04 10:48:24,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:48:24,059 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:48:24,059 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:48:24,081 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:48:24,081 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:48:24" (1/1) ... [2018-10-04 10:48:24,111 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 10:48:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-04 10:48:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-04 10:48:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 10:48:24,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:24,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 10:48:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 10:48:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:48:24,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-04 10:48:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-04 10:48:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:48:24,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-10-04 10:48:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-10-04 10:48:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:48:25,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:25,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-04 10:48:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-04 10:48:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:48:25,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-04 10:48:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-04 10:48:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:48:26,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-10-04 10:48:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-10-04 10:48:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:48:27,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:27,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-10-04 10:48:27,703 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-10-04 10:48:27,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:48:27,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-10-04 10:48:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-10-04 10:48:28,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:48:28,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-10-04 10:48:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-10-04 10:48:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:48:28,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-10-04 10:48:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-10-04 10:48:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:48:29,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:30,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-10-04 10:48:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-10-04 10:48:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:48:30,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-10-04 10:48:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-10-04 10:48:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:48:30,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:31,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-10-04 10:48:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-10-04 10:48:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:48:31,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-04 10:48:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-04 10:48:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:48:32,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-04 10:48:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-04 10:48:32,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:48:32,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-10-04 10:48:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-10-04 10:48:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:48:33,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-10-04 10:48:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-10-04 10:48:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:48:34,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-10-04 10:48:34,758 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-10-04 10:48:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:48:34,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-10-04 10:48:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-10-04 10:48:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:48:35,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-10-04 10:48:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-10-04 10:48:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:48:36,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:37,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-10-04 10:48:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-10-04 10:48:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:48:37,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-10-04 10:48:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-10-04 10:48:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:48:38,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:38,763 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 24 [2018-10-04 10:48:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-10-04 10:48:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-10-04 10:48:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 10:48:39,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-10-04 10:48:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-10-04 10:48:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:48:39,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:40,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:40,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-10-04 10:48:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-10-04 10:48:40,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:48:40,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-10-04 10:48:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-10-04 10:48:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:48:42,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-10-04 10:48:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-10-04 10:48:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:48:43,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-10-04 10:48:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-10-04 10:48:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:48:44,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-10-04 10:48:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-10-04 10:48:44,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 10:48:44,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-10-04 10:48:45,866 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-10-04 10:48:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:48:45,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-04 10:48:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-04 10:48:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:48:46,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-10-04 10:48:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-10-04 10:48:48,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:48:48,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-10-04 10:48:49,882 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-10-04 10:48:49,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 10:48:49,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-10-04 10:48:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-10-04 10:48:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:48:50,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-10-04 10:48:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-10-04 10:48:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 10:48:52,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:52,826 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-10-04 10:48:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-10-04 10:48:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:48:53,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-10-04 10:48:54,574 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-10-04 10:48:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:48:54,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-10-04 10:48:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-10-04 10:48:57,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:48:57,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:58,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:58,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-10-04 10:48:58,885 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-10-04 10:48:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 10:48:58,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:48:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:48:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:48:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-10-04 10:48:59,939 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-10-04 10:48:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:48:59,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:48:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-10-04 10:49:01,879 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-10-04 10:49:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 10:49:01,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-10-04 10:49:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-10-04 10:49:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:49:03,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:03,664 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 44 new depth: 44 [2018-10-04 10:49:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-04 10:49:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-04 10:49:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:49:04,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:04,912 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-10-04 10:49:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-10-04 10:49:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:49:05,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-10-04 10:49:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-10-04 10:49:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:49:06,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-10-04 10:49:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-10-04 10:49:08,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:49:08,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:09,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-10-04 10:49:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-10-04 10:49:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 10:49:09,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:09,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-10-04 10:49:10,451 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-10-04 10:49:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:49:10,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:11,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-10-04 10:49:11,680 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-10-04 10:49:11,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:49:11,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-10-04 10:49:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-10-04 10:49:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:49:12,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-10-04 10:49:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-10-04 10:49:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:49:14,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-10-04 10:49:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-10-04 10:49:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:49:15,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-10-04 10:49:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-10-04 10:49:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:49:17,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-10-04 10:49:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-10-04 10:49:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:49:18,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:20,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:20,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-10-04 10:49:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-10-04 10:49:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:49:20,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:20,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-10-04 10:49:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-10-04 10:49:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:49:21,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:24,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-10-04 10:49:24,742 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-10-04 10:49:24,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 10:49:24,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-10-04 10:49:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-10-04 10:49:26,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:49:26,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-10-04 10:49:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-10-04 10:49:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 10:49:27,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-10-04 10:49:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-10-04 10:49:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:49:28,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-10-04 10:49:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-10-04 10:49:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:49:30,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:31,259 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 63 new depth: 63 [2018-10-04 10:49:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:32,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-10-04 10:49:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-10-04 10:49:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:49:32,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-10-04 10:49:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-10-04 10:49:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 10:49:34,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-10-04 10:49:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-10-04 10:49:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:49:36,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-10-04 10:49:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-10-04 10:49:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 10:49:37,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:40,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-10-04 10:49:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-10-04 10:49:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:49:40,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:40,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-10-04 10:49:41,919 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-10-04 10:49:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 10:49:41,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:43,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-10-04 10:49:43,661 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-10-04 10:49:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:49:43,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:45,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-10-04 10:49:45,322 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-10-04 10:49:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 10:49:45,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-10-04 10:49:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-10-04 10:49:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:49:47,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-10-04 10:49:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-10-04 10:49:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 10:49:48,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:49,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-10-04 10:49:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-10-04 10:49:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:49:50,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-10-04 10:49:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-10-04 10:49:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 10:49:52,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-10-04 10:49:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-10-04 10:49:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 10:49:54,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-10-04 10:49:56,029 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-10-04 10:49:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 10:49:56,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:49:58,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:49:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-10-04 10:49:58,114 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-10-04 10:49:58,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:49:58,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:49:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:49:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-10-04 10:50:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-10-04 10:50:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 10:50:00,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:02,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-10-04 10:50:02,147 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-10-04 10:50:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:50:02,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-10-04 10:50:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-10-04 10:50:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 10:50:04,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-10-04 10:50:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-10-04 10:50:05,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:50:05,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-10-04 10:50:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-10-04 10:50:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 10:50:07,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-10-04 10:50:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-10-04 10:50:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:50:09,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-10-04 10:50:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-10-04 10:50:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 10:50:12,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:13,155 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 85 new depth: 85 [2018-10-04 10:50:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:15,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:15,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-10-04 10:50:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-10-04 10:50:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:50:15,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-10-04 10:50:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-10-04 10:50:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 10:50:17,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-10-04 10:50:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-10-04 10:50:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:50:19,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-10-04 10:50:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-10-04 10:50:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 10:50:21,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-10-04 10:50:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-10-04 10:50:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:50:23,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-10-04 10:50:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-10-04 10:50:25,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 10:50:25,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-10-04 10:50:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-10-04 10:50:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 10:50:27,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-10-04 10:50:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-10-04 10:50:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 10:50:30,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-10-04 10:50:32,318 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-10-04 10:50:32,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:50:32,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-10-04 10:50:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-10-04 10:50:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 10:50:34,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-10-04 10:50:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-10-04 10:50:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 10:50:36,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-10-04 10:50:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-10-04 10:50:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 10:50:39,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:41,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-10-04 10:50:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-10-04 10:50:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 10:50:41,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:43,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-10-04 10:50:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-10-04 10:50:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 10:50:43,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-10-04 10:50:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-10-04 10:50:46,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 10:50:46,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:47,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-10-04 10:50:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-10-04 10:50:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 10:50:49,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:50:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:50:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-10-04 10:50:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-10-04 10:50:52,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 10:50:52,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:50:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:50:54,049 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 106 new depth: 102 [2018-10-04 10:50:57,777 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 123 new depth: 113 [2018-10-04 10:51:02,011 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 134 new depth: 129 [2018-10-04 10:51:06,727 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 150 new depth: 146 [2018-10-04 10:51:12,184 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 167 new depth: 165 [2018-10-04 10:51:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:51:23,909 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 189 new depth: 183 [2018-10-04 10:51:37,144 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 206 new depth: 183 [2018-10-04 10:51:49,888 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 206 new depth: 187 [2018-10-04 10:52:10,271 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 210 new depth: 184 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown