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/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 13:22:04,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:22:04,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:22:04,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:22:04,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:22:04,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:22:04,244 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:22:04,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:22:04,248 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:22:04,249 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:22:04,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:22:04,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:22:04,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:22:04,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:22:04,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:22:04,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:22:04,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:22:04,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:22:04,262 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:22:04,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:22:04,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:22:04,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:22:04,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:22:04,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:22:04,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:22:04,270 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:22:04,271 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:22:04,272 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:22:04,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:22:04,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:22:04,274 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:22:04,275 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:22:04,275 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:22:04,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:22:04,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:22:04,277 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:22:04,277 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 [2018-10-02 13:22:04,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:22:04,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:22:04,294 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:22:04,295 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:22:04,295 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:22:04,295 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:22:04,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:22:04,296 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:22:04,296 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:22:04,296 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:22:04,296 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:22:04,297 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:22:04,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:22:04,297 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:22:04,297 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:22:04,297 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:22:04,298 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:22:04,298 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:22:04,298 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:22:04,298 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:22:04,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:22:04,299 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:22:04,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:22:04,299 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:22:04,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:22:04,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:22:04,300 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:22:04,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:22:04,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:22:04,301 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:22:04,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:22:04,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:22:04,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:22:04,379 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:22:04,380 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:22:04,381 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2018-10-02 13:22:04,381 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2018-10-02 13:22:04,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:22:04,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:22:04,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:22:04,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:22:04,444 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:22:04,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,484 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 13:22:04,485 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 13:22:04,485 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 13:22:04,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:22:04,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:22:04,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:22:04,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:22:04,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:22:04,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:22:04,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:22:04,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:22:04,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:22:04" (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 [2018-10-02 13:22:04,588 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-02 13:22:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-02 13:22:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-02 13:22:04,885 INFO L337 CfgBuilder]: Using library mode [2018-10-02 13:22:04,885 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:22:04 BoogieIcfgContainer [2018-10-02 13:22:04,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:22:04,886 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:22:04,887 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:22:04,897 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:22:04,897 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:22:04" (1/1) ... [2018-10-02 13:22:04,910 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:22:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-02 13:22:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-02 13:22:04,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 13:22:04,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-02 13:22:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-02 13:22:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 13:22:05,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:05,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-02 13:22:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-02 13:22:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 13:22:05,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:06,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-02 13:22:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-02 13:22:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:22:06,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-02 13:22:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-02 13:22:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 13:22:06,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-10-02 13:22:07,380 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-10-02 13:22:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:22:07,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-02 13:22:07,710 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-02 13:22:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 13:22:07,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-10-02 13:22:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-02 13:22:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 13:22:08,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-02 13:22:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-02 13:22:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 13:22:08,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:08,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-10-02 13:22:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-02 13:22:08,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:22:08,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:09,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-02 13:22:09,013 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-02 13:22:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 13:22:09,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-10-02 13:22:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-10-02 13:22:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:22:09,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:10,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-02 13:22:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-02 13:22:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 13:22:10,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-10-02 13:22:11,229 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-10-02 13:22:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 13:22:11,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-02 13:22:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-02 13:22:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 13:22:11,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-10-02 13:22:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-10-02 13:22:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:22:11,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-02 13:22:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-02 13:22:12,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 13:22:12,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-10-02 13:22:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-10-02 13:22:12,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:22:12,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-02 13:22:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-02 13:22:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 13:22:13,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-10-02 13:22:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-10-02 13:22:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 13:22:14,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-02 13:22:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-02 13:22:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 13:22:14,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-10-02 13:22:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-10-02 13:22:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 13:22:14,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-02 13:22:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-02 13:22:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-02 13:22:15,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-10-02 13:22:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-10-02 13:22:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 13:22:16,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:16,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-02 13:22:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-02 13:22:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 13:22:16,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-10-02 13:22:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-10-02 13:22:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 13:22:17,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-02 13:22:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-02 13:22:18,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 13:22:18,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-10-02 13:22:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-10-02 13:22:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:22:18,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:19,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-02 13:22:19,822 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-02 13:22:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 13:22:19,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-10-02 13:22:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-10-02 13:22:21,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:22:21,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-02 13:22:22,110 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-02 13:22:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 13:22:22,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-10-02 13:22:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-10-02 13:22:23,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 13:22:23,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-02 13:22:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-02 13:22:24,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 13:22:24,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-10-02 13:22:24,858 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-10-02 13:22:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 13:22:24,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:25,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:25,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-02 13:22:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-02 13:22:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-02 13:22:25,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-10-02 13:22:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-10-02 13:22:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 13:22:26,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-02 13:22:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-02 13:22:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 13:22:26,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-10-02 13:22:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-10-02 13:22:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 13:22:27,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-02 13:22:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-02 13:22:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 13:22:28,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-10-02 13:22:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-10-02 13:22:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 13:22:30,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:31,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-02 13:22:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-02 13:22:31,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 13:22:31,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-10-02 13:22:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-10-02 13:22:31,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 13:22:31,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-02 13:22:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-02 13:22:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 13:22:32,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-10-02 13:22:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-10-02 13:22:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 13:22:33,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-02 13:22:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-02 13:22:34,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 13:22:34,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:35,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2018-10-02 13:22:35,723 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-10-02 13:22:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:22:35,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-02 13:22:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-02 13:22:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 13:22:36,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 54 states and 55 transitions. [2018-10-02 13:22:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-10-02 13:22:37,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 13:22:37,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:37,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-02 13:22:37,847 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-02 13:22:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 13:22:37,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-10-02 13:22:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-10-02 13:22:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 13:22:38,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-02 13:22:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-02 13:22:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 13:22:39,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:40,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 58 states and 59 transitions. [2018-10-02 13:22:40,557 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-10-02 13:22:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 13:22:40,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-02 13:22:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-02 13:22:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 13:22:41,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:41,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-10-02 13:22:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-10-02 13:22:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 13:22:42,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-10-02 13:22:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-10-02 13:22:43,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 13:22:43,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:44,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-10-02 13:22:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-10-02 13:22:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 13:22:44,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-10-02 13:22:45,829 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-10-02 13:22:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-02 13:22:45,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:46,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-10-02 13:22:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-10-02 13:22:46,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 13:22:46,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-10-02 13:22:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-10-02 13:22:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-02 13:22:47,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-10-02 13:22:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-10-02 13:22:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 13:22:48,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-10-02 13:22:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-10-02 13:22:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-02 13:22:49,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-10-02 13:22:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-10-02 13:22:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 13:22:50,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-10-02 13:22:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-10-02 13:22:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-02 13:22:51,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-10-02 13:22:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-10-02 13:22:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 13:22:52,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:53,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-10-02 13:22:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-10-02 13:22:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-02 13:22:53,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-10-02 13:22:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-10-02 13:22:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 13:22:54,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:22:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:22:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-10-02 13:22:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-10-02 13:22:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 13:22:55,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:22:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:22:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-10-02 13:23:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-10-02 13:23:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 13:23:04,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-10-02 13:23:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-10-02 13:23:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 13:23:05,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-02 13:23:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-02 13:23:06,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 13:23:06,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-10-02 13:23:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-10-02 13:23:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-02 13:23:07,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-02 13:23:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-02 13:23:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 13:23:07,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:09,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-10-02 13:23:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-10-02 13:23:09,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-02 13:23:09,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:10,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-02 13:23:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-02 13:23:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 13:23:10,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-10-02 13:23:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-10-02 13:23:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-02 13:23:11,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-02 13:23:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-02 13:23:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 13:23:12,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-10-02 13:23:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-10-02 13:23:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-02 13:23:13,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:14,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:14,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-02 13:23:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-02 13:23:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 13:23:14,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-10-02 13:23:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-10-02 13:23:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 13:23:15,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-10-02 13:23:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-10-02 13:23:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 13:23:16,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:16,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-10-02 13:23:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-10-02 13:23:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 13:23:17,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-02 13:23:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-02 13:23:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 13:23:18,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:19,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-02 13:23:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-02 13:23:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 13:23:19,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-10-02 13:23:21,005 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-10-02 13:23:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 13:23:21,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-10-02 13:23:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-10-02 13:23:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 13:23:22,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-10-02 13:23:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-10-02 13:23:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 13:23:23,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-10-02 13:23:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-10-02 13:23:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-02 13:23:24,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-10-02 13:23:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-10-02 13:23:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 13:23:26,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-10-02 13:23:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-10-02 13:23:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-02 13:23:27,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-02 13:23:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-02 13:23:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 13:23:28,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:29,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-02 13:23:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-02 13:23:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-02 13:23:29,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:31,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-10-02 13:23:31,054 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-10-02 13:23:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 13:23:31,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-10-02 13:23:32,276 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-10-02 13:23:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-02 13:23:32,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-10-02 13:23:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-10-02 13:23:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 13:23:33,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-10-02 13:23:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-10-02 13:23:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-02 13:23:34,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:36,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-10-02 13:23:36,253 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-10-02 13:23:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-02 13:23:36,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-10-02 13:23:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-10-02 13:23:37,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-02 13:23:37,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-10-02 13:23:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-10-02 13:23:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-02 13:23:38,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-10-02 13:23:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-10-02 13:23:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-02 13:23:40,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:41,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-10-02 13:23:41,627 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-10-02 13:23:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-02 13:23:41,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:23:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:23:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 107 states and 106 transitions. [2018-10-02 13:23:42,982 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 106 transitions. [2018-10-02 13:23:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-02 13:23:42,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:23:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:23:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 1225 proven. 3825 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:24:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:24:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 106 states and 105 transitions. [2018-10-02 13:24:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 105 transitions. [2018-10-02 13:24:39,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-02 13:24:39,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:24:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:24:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown