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/LargeConstant-ForwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 12:05:10,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 12:05:10,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 12:05:10,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 12:05:10,826 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 12:05:10,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 12:05:10,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 12:05:10,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 12:05:10,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 12:05:10,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 12:05:10,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 12:05:10,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 12:05:10,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 12:05:10,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 12:05:10,836 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 12:05:10,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 12:05:10,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 12:05:10,840 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 12:05:10,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 12:05:10,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 12:05:10,844 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 12:05:10,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 12:05:10,848 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 12:05:10,848 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 12:05:10,848 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 12:05:10,849 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 12:05:10,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 12:05:10,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 12:05:10,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 12:05:10,853 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 12:05:10,853 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 12:05:10,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 12:05:10,854 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 12:05:10,854 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 12:05:10,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 12:05:10,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 12:05:10,856 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 [2018-09-30 12:05:10,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 12:05:10,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 12:05:10,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 12:05:10,874 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 12:05:10,876 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 12:05:10,876 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 12:05:10,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 12:05:10,877 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 12:05:10,877 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 12:05:10,877 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 12:05:10,877 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 12:05:10,879 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 12:05:10,879 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 12:05:10,879 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 12:05:10,879 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 12:05:10,880 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 12:05:10,880 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 12:05:10,881 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 12:05:10,881 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 12:05:10,881 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 12:05:10,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 12:05:10,881 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 12:05:10,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 12:05:10,882 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 12:05:10,882 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 12:05:10,882 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 12:05:10,883 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 12:05:10,883 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 12:05:10,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 12:05:10,883 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 12:05:10,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 12:05:10,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 12:05:10,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 12:05:10,961 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 12:05:10,962 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 12:05:10,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LargeConstant-ForwardSuccess.bpl [2018-09-30 12:05:10,963 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LargeConstant-ForwardSuccess.bpl' [2018-09-30 12:05:11,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 12:05:11,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 12:05:11,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 12:05:11,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 12:05:11,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 12:05:11,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,067 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 12:05:11,068 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 12:05:11,068 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 12:05:11,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 12:05:11,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 12:05:11,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 12:05:11,072 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 12:05:11,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 12:05:11,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 12:05:11,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 12:05:11,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 12:05:11,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:05:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 12:05:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-09-30 12:05:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-09-30 12:05:11,361 INFO L345 CfgBuilder]: Using library mode [2018-09-30 12:05:11,361 INFO L202 PluginConnector]: Adding new model LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 12:05:11 BoogieIcfgContainer [2018-09-30 12:05:11,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 12:05:11,362 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 12:05:11,362 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 12:05:11,374 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 12:05:11,374 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 12:05:11" (1/1) ... [2018-09-30 12:05:11,391 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 12:05:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 12:05:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 12:05:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 12:05:11,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-30 12:05:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-30 12:05:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 12:05:11,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:12,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-30 12:05:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-30 12:05:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 12:05:12,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-09-30 12:05:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-09-30 12:05:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 12:05:13,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-09-30 12:05:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-09-30 12:05:13,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 12:05:13,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2018-09-30 12:05:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2018-09-30 12:05:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 12:05:14,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-09-30 12:05:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-09-30 12:05:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 12:05:14,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-09-30 12:05:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-09-30 12:05:14,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 12:05:14,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2018-09-30 12:05:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2018-09-30 12:05:15,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 12:05:15,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-09-30 12:05:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-09-30 12:05:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 12:05:16,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2018-09-30 12:05:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-09-30 12:05:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 12:05:17,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2018-09-30 12:05:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2018-09-30 12:05:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 12:05:17,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2018-09-30 12:05:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2018-09-30 12:05:18,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 12:05:18,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:19,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:19,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-09-30 12:05:19,013 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-09-30 12:05:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 12:05:19,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-09-30 12:05:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-09-30 12:05:19,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 12:05:19,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2018-09-30 12:05:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2018-09-30 12:05:20,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 12:05:20,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-09-30 12:05:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-09-30 12:05:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 12:05:20,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2018-09-30 12:05:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2018-09-30 12:05:21,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 12:05:21,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2018-09-30 12:05:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2018-09-30 12:05:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 12:05:21,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2018-09-30 12:05:22,497 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2018-09-30 12:05:22,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 12:05:22,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:22,736 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2018-09-30 12:05:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2018-09-30 12:05:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 12:05:23,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 69 transitions. [2018-09-30 12:05:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2018-09-30 12:05:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 12:05:24,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:25,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2018-09-30 12:05:25,529 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2018-09-30 12:05:25,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 12:05:25,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2018-09-30 12:05:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2018-09-30 12:05:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 12:05:26,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2018-09-30 12:05:27,502 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2018-09-30 12:05:27,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 12:05:27,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:28,294 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:29,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2018-09-30 12:05:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2018-09-30 12:05:29,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 12:05:29,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2018-09-30 12:05:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2018-09-30 12:05:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 12:05:30,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:31,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 87 transitions. [2018-09-30 12:05:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2018-09-30 12:05:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 12:05:31,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:32,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:32,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 61 states and 90 transitions. [2018-09-30 12:05:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2018-09-30 12:05:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 12:05:32,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 93 transitions. [2018-09-30 12:05:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2018-09-30 12:05:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 12:05:33,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 65 states and 96 transitions. [2018-09-30 12:05:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2018-09-30 12:05:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 12:05:34,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 99 transitions. [2018-09-30 12:05:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2018-09-30 12:05:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 12:05:35,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2018-09-30 12:05:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2018-09-30 12:05:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 12:05:37,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:38,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2018-09-30 12:05:38,196 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2018-09-30 12:05:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 12:05:38,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 73 states and 108 transitions. [2018-09-30 12:05:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2018-09-30 12:05:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 12:05:39,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 111 transitions. [2018-09-30 12:05:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2018-09-30 12:05:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 12:05:40,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2018-09-30 12:05:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2018-09-30 12:05:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 12:05:42,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2018-09-30 12:05:44,056 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2018-09-30 12:05:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 12:05:44,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2018-09-30 12:05:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2018-09-30 12:05:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 12:05:45,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 83 states and 123 transitions. [2018-09-30 12:05:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 123 transitions. [2018-09-30 12:05:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 12:05:46,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:48,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 85 states and 126 transitions. [2018-09-30 12:05:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 126 transitions. [2018-09-30 12:05:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 12:05:48,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2018-09-30 12:05:50,285 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2018-09-30 12:05:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 12:05:50,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 89 states and 132 transitions. [2018-09-30 12:05:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2018-09-30 12:05:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 12:05:51,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 91 states and 135 transitions. [2018-09-30 12:05:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2018-09-30 12:05:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 12:05:53,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 93 states and 138 transitions. [2018-09-30 12:05:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2018-09-30 12:05:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 12:05:55,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2018-09-30 12:05:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2018-09-30 12:05:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-30 12:05:57,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:05:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:05:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:05:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 97 states and 144 transitions. [2018-09-30 12:05:59,719 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2018-09-30 12:05:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 12:05:59,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:05:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 99 states and 147 transitions. [2018-09-30 12:06:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2018-09-30 12:06:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-30 12:06:04,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 150 transitions. [2018-09-30 12:06:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2018-09-30 12:06:08,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-30 12:06:08,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:08,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:10,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 103 states and 153 transitions. [2018-09-30 12:06:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 153 transitions. [2018-09-30 12:06:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-30 12:06:10,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:11,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 105 states and 156 transitions. [2018-09-30 12:06:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2018-09-30 12:06:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-30 12:06:13,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 107 states and 159 transitions. [2018-09-30 12:06:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 159 transitions. [2018-09-30 12:06:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-30 12:06:16,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 109 states and 162 transitions. [2018-09-30 12:06:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2018-09-30 12:06:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-30 12:06:18,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 111 states and 165 transitions. [2018-09-30 12:06:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 165 transitions. [2018-09-30 12:06:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-30 12:06:21,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 113 states and 168 transitions. [2018-09-30 12:06:24,196 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 168 transitions. [2018-09-30 12:06:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-30 12:06:24,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 115 states and 171 transitions. [2018-09-30 12:06:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2018-09-30 12:06:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-30 12:06:27,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 117 states and 174 transitions. [2018-09-30 12:06:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 174 transitions. [2018-09-30 12:06:31,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-30 12:06:31,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 119 states and 177 transitions. [2018-09-30 12:06:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2018-09-30 12:06:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-30 12:06:34,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:38,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 121 states and 180 transitions. [2018-09-30 12:06:38,731 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 180 transitions. [2018-09-30 12:06:38,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-30 12:06:38,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 123 states and 183 transitions. [2018-09-30 12:06:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 183 transitions. [2018-09-30 12:06:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-30 12:06:42,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:46,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 125 states and 186 transitions. [2018-09-30 12:06:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2018-09-30 12:06:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-30 12:06:46,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 127 states and 189 transitions. [2018-09-30 12:06:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2018-09-30 12:06:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-30 12:06:49,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 129 states and 192 transitions. [2018-09-30 12:06:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 192 transitions. [2018-09-30 12:06:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-30 12:06:53,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:06:57,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:06:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 131 states and 195 transitions. [2018-09-30 12:06:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2018-09-30 12:06:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-30 12:06:57,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:06:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:06:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 133 states and 198 transitions. [2018-09-30 12:07:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 198 transitions. [2018-09-30 12:07:01,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-30 12:07:01,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 135 states and 201 transitions. [2018-09-30 12:07:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2018-09-30 12:07:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-30 12:07:05,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:10,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 137 states and 204 transitions. [2018-09-30 12:07:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2018-09-30 12:07:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-30 12:07:10,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:14,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 139 states and 207 transitions. [2018-09-30 12:07:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 207 transitions. [2018-09-30 12:07:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-30 12:07:14,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 141 states and 210 transitions. [2018-09-30 12:07:19,580 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 210 transitions. [2018-09-30 12:07:19,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-30 12:07:19,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 143 states and 213 transitions. [2018-09-30 12:07:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 213 transitions. [2018-09-30 12:07:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-30 12:07:24,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 145 states and 216 transitions. [2018-09-30 12:07:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 216 transitions. [2018-09-30 12:07:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-30 12:07:29,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 147 states and 219 transitions. [2018-09-30 12:07:34,528 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 219 transitions. [2018-09-30 12:07:34,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-30 12:07:34,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:34,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:39,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 149 states and 222 transitions. [2018-09-30 12:07:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2018-09-30 12:07:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-30 12:07:39,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 151 states and 225 transitions. [2018-09-30 12:07:45,378 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2018-09-30 12:07:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-30 12:07:45,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 153 states and 228 transitions. [2018-09-30 12:07:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2018-09-30 12:07:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-30 12:07:51,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:07:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:07:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 155 states and 231 transitions. [2018-09-30 12:07:57,127 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2018-09-30 12:07:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-09-30 12:07:57,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:07:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:07:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 157 states and 234 transitions. [2018-09-30 12:08:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 234 transitions. [2018-09-30 12:08:03,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-09-30 12:08:03,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 159 states and 237 transitions. [2018-09-30 12:08:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 237 transitions. [2018-09-30 12:08:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-09-30 12:08:09,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 161 states and 240 transitions. [2018-09-30 12:08:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 240 transitions. [2018-09-30 12:08:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-30 12:08:15,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 163 states and 243 transitions. [2018-09-30 12:08:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 243 transitions. [2018-09-30 12:08:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-09-30 12:08:22,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:28,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 165 states and 246 transitions. [2018-09-30 12:08:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2018-09-30 12:08:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-09-30 12:08:28,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 167 states and 249 transitions. [2018-09-30 12:08:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 249 transitions. [2018-09-30 12:08:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-09-30 12:08:35,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:42,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 169 states and 252 transitions. [2018-09-30 12:08:42,848 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 252 transitions. [2018-09-30 12:08:42,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-09-30 12:08:42,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 171 states and 255 transitions. [2018-09-30 12:08:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2018-09-30 12:08:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-09-30 12:08:50,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:08:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:08:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 173 states and 258 transitions. [2018-09-30 12:08:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 258 transitions. [2018-09-30 12:08:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-09-30 12:08:57,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:08:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:08:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:09:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:09:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 175 states and 261 transitions. [2018-09-30 12:09:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 261 transitions. [2018-09-30 12:09:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-09-30 12:09:05,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:09:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:09:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:09:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:09:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 177 states and 264 transitions. [2018-09-30 12:09:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 264 transitions. [2018-09-30 12:09:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-09-30 12:09:13,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:09:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:09:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:09:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:09:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 179 states and 267 transitions. [2018-09-30 12:09:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 267 transitions. [2018-09-30 12:09:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-09-30 12:09:21,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:09:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:09:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:09:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:09:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 181 states and 270 transitions. [2018-09-30 12:09:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 270 transitions. [2018-09-30 12:09:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-09-30 12:09:29,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:09:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:09:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown