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/real-life/s3_clnt_1_Unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:03:40,896 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:03:40,898 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:03:40,916 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:03:40,916 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:03:40,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:03:40,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:03:40,922 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:03:40,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:03:40,928 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:03:40,929 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:03:40,930 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:03:40,934 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:03:40,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:03:40,939 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:03:40,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:03:40,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:03:40,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:03:40,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:03:40,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:03:40,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:03:40,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:03:40,963 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:03:40,963 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:03:40,963 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:03:40,964 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:03:40,965 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:03:40,970 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:03:40,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:03:40,973 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:03:40,973 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:03:40,974 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:03:40,974 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:03:40,974 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:03:40,976 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:03:40,977 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:03:40,977 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 [2018-10-01 03:03:41,007 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:03:41,009 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:03:41,014 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:03:41,014 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:03:41,015 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:03:41,015 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:03:41,015 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:03:41,015 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:03:41,017 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:03:41,017 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:03:41,017 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:03:41,017 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:03:41,017 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:03:41,018 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:03:41,018 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:03:41,018 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:03:41,018 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:03:41,018 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:03:41,019 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:03:41,019 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:03:41,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:03:41,019 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:03:41,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:03:41,020 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:03:41,020 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:03:41,020 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:03:41,020 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:03:41,022 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:03:41,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:03:41,022 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:03:41,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:03:41,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:03:41,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:03:41,109 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:03:41,110 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:03:41,111 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl [2018-10-01 03:03:41,111 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl' [2018-10-01 03:03:41,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:03:41,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:03:41,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:41,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:03:41,211 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:03:41,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,253 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 03:03:41,253 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 03:03:41,254 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 03:03:41,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:41,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:03:41,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:03:41,257 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:03:41,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... [2018-10-01 03:03:41,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:03:41,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:03:41,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:03:41,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:03:41,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:03:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-10-01 03:03:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-10-01 03:03:41,590 WARN L674 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-01 03:03:41,590 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-01 03:03:43,732 INFO L345 CfgBuilder]: Using library mode [2018-10-01 03:03:43,732 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:43 BoogieIcfgContainer [2018-10-01 03:03:43,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:03:43,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:03:43,734 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:03:43,745 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:03:43,746 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:43" (1/1) ... [2018-10-01 03:03:43,760 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:03:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 148 transitions. [2018-10-01 03:03:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 148 transitions. [2018-10-01 03:03:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:03:43,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 180 transitions. [2018-10-01 03:03:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2018-10-01 03:03:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 03:03:44,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:45,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 181 transitions. [2018-10-01 03:03:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 181 transitions. [2018-10-01 03:03:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 03:03:45,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 115 states and 197 transitions. [2018-10-01 03:03:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2018-10-01 03:03:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 03:03:47,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 223 transitions. [2018-10-01 03:03:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 223 transitions. [2018-10-01 03:03:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 03:03:48,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:49,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2018-10-01 03:03:49,699 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2018-10-01 03:03:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 03:03:49,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 241 transitions. [2018-10-01 03:03:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 241 transitions. [2018-10-01 03:03:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 03:03:51,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 138 states and 248 transitions. [2018-10-01 03:03:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2018-10-01 03:03:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 03:03:52,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:03:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 149 states and 275 transitions. [2018-10-01 03:03:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2018-10-01 03:03:54,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 03:03:54,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 151 states and 278 transitions. [2018-10-01 03:03:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 278 transitions. [2018-10-01 03:03:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 03:03:55,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:56,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 277 transitions. [2018-10-01 03:03:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2018-10-01 03:03:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 03:03:56,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 169 states and 304 transitions. [2018-10-01 03:03:58,748 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 304 transitions. [2018-10-01 03:03:58,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 03:03:58,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:03:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 170 states and 305 transitions. [2018-10-01 03:03:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 305 transitions. [2018-10-01 03:03:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 03:03:59,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 171 states and 306 transitions. [2018-10-01 03:04:00,939 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 306 transitions. [2018-10-01 03:04:00,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 03:04:00,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 174 states and 317 transitions. [2018-10-01 03:04:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2018-10-01 03:04:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 03:04:01,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:07,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 207 states and 389 transitions. [2018-10-01 03:04:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 389 transitions. [2018-10-01 03:04:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:04:07,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:04:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 209 states and 392 transitions. [2018-10-01 03:04:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2018-10-01 03:04:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:04:08,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:10,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 393 transitions. [2018-10-01 03:04:10,032 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 393 transitions. [2018-10-01 03:04:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:04:10,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:12,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 210 states and 392 transitions. [2018-10-01 03:04:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2018-10-01 03:04:12,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:04:12,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 226 states and 418 transitions. [2018-10-01 03:04:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 418 transitions. [2018-10-01 03:04:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:04:15,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:15,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:16,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 227 states and 419 transitions. [2018-10-01 03:04:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 419 transitions. [2018-10-01 03:04:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:04:16,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 228 states and 420 transitions. [2018-10-01 03:04:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 420 transitions. [2018-10-01 03:04:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 03:04:18,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:18,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 253 states and 475 transitions. [2018-10-01 03:04:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 475 transitions. [2018-10-01 03:04:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 03:04:22,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 254 states and 477 transitions. [2018-10-01 03:04:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 477 transitions. [2018-10-01 03:04:24,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 03:04:24,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 255 states and 478 transitions. [2018-10-01 03:04:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 478 transitions. [2018-10-01 03:04:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 03:04:25,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 256 states and 479 transitions. [2018-10-01 03:04:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 479 transitions. [2018-10-01 03:04:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 03:04:26,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 258 states and 488 transitions. [2018-10-01 03:04:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 488 transitions. [2018-10-01 03:04:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 03:04:28,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:33,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 281 states and 546 transitions. [2018-10-01 03:04:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 546 transitions. [2018-10-01 03:04:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 03:04:33,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 288 states and 572 transitions. [2018-10-01 03:04:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 572 transitions. [2018-10-01 03:04:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 03:04:36,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:38,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 291 states and 581 transitions. [2018-10-01 03:04:38,894 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 581 transitions. [2018-10-01 03:04:38,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 03:04:38,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:44,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 309 states and 605 transitions. [2018-10-01 03:04:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 605 transitions. [2018-10-01 03:04:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 03:04:44,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:45,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 310 states and 611 transitions. [2018-10-01 03:04:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 611 transitions. [2018-10-01 03:04:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 03:04:45,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:46,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 328 states and 642 transitions. [2018-10-01 03:04:51,371 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 642 transitions. [2018-10-01 03:04:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 03:04:51,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 329 states and 643 transitions. [2018-10-01 03:04:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 643 transitions. [2018-10-01 03:04:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 03:04:53,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 328 states and 641 transitions. [2018-10-01 03:04:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 641 transitions. [2018-10-01 03:04:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 03:04:55,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 346 states and 667 transitions. [2018-10-01 03:04:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 667 transitions. [2018-10-01 03:04:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 03:04:59,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 349 states and 679 transitions. [2018-10-01 03:05:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 679 transitions. [2018-10-01 03:05:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 03:05:03,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 368 states and 714 transitions. [2018-10-01 03:05:09,525 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 714 transitions. [2018-10-01 03:05:09,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 03:05:09,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:09,573 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:12,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 372 states and 732 transitions. [2018-10-01 03:05:12,732 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 732 transitions. [2018-10-01 03:05:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 03:05:12,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 373 states and 744 transitions. [2018-10-01 03:05:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 744 transitions. [2018-10-01 03:05:15,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 03:05:15,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 374 states and 745 transitions. [2018-10-01 03:05:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 745 transitions. [2018-10-01 03:05:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 03:05:19,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:21,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 375 states and 746 transitions. [2018-10-01 03:05:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 746 transitions. [2018-10-01 03:05:21,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 03:05:21,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 373 states and 743 transitions. [2018-10-01 03:05:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 743 transitions. [2018-10-01 03:05:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 03:05:24,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 376 states and 755 transitions. [2018-10-01 03:05:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 755 transitions. [2018-10-01 03:05:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 03:05:26,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 388 states and 786 transitions. [2018-10-01 03:05:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 786 transitions. [2018-10-01 03:05:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 03:05:32,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 388 states and 785 transitions. [2018-10-01 03:05:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 785 transitions. [2018-10-01 03:05:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 03:05:34,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:37,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 389 states and 786 transitions. [2018-10-01 03:05:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 786 transitions. [2018-10-01 03:05:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 03:05:37,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 392 states and 793 transitions. [2018-10-01 03:05:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 793 transitions. [2018-10-01 03:05:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 03:05:40,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 395 states and 800 transitions. [2018-10-01 03:05:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 800 transitions. [2018-10-01 03:05:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:05:42,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 406 states and 829 transitions. [2018-10-01 03:05:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 829 transitions. [2018-10-01 03:05:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:05:46,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 417 states and 868 transitions. [2018-10-01 03:05:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 868 transitions. [2018-10-01 03:05:49,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:05:49,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 418 states and 870 transitions. [2018-10-01 03:05:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 870 transitions. [2018-10-01 03:05:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:05:51,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 419 states and 871 transitions. [2018-10-01 03:05:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 871 transitions. [2018-10-01 03:05:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:05:54,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:59,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 420 states and 872 transitions. [2018-10-01 03:05:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 872 transitions. [2018-10-01 03:05:59,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:05:59,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:59,977 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:06:02,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 428 states and 879 transitions. [2018-10-01 03:06:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 879 transitions. [2018-10-01 03:06:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:06:02,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 428 states and 878 transitions. [2018-10-01 03:06:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 878 transitions. [2018-10-01 03:06:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:06:04,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:06:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 431 states and 886 transitions. [2018-10-01 03:06:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 886 transitions. [2018-10-01 03:06:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:06:06,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 434 states and 891 transitions. [2018-10-01 03:06:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 891 transitions. [2018-10-01 03:06:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:06:08,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:13,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 448 states and 923 transitions. [2018-10-01 03:06:13,610 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 923 transitions. [2018-10-01 03:06:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:06:13,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 447 states and 921 transitions. [2018-10-01 03:06:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 921 transitions. [2018-10-01 03:06:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 03:06:16,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 447 states and 920 transitions. [2018-10-01 03:06:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 920 transitions. [2018-10-01 03:06:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:06:19,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 454 states and 945 transitions. [2018-10-01 03:06:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 945 transitions. [2018-10-01 03:06:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:06:23,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 456 states and 948 transitions. [2018-10-01 03:06:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 948 transitions. [2018-10-01 03:06:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:06:26,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 458 states and 950 transitions. [2018-10-01 03:06:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 950 transitions. [2018-10-01 03:06:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:06:28,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 459 states and 951 transitions. [2018-10-01 03:06:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 951 transitions. [2018-10-01 03:06:31,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:06:31,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:06:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 460 states and 952 transitions. [2018-10-01 03:06:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 952 transitions. [2018-10-01 03:06:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:06:34,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 469 states and 963 transitions. [2018-10-01 03:06:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 963 transitions. [2018-10-01 03:06:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:06:40,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 469 states and 961 transitions. [2018-10-01 03:06:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 961 transitions. [2018-10-01 03:06:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:06:44,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:06:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 480 states and 1002 transitions. [2018-10-01 03:06:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1002 transitions. [2018-10-01 03:06:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:06:51,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:06:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 481 states and 1003 transitions. [2018-10-01 03:06:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1003 transitions. [2018-10-01 03:06:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:06:53,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 481 states and 1002 transitions. [2018-10-01 03:06:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1002 transitions. [2018-10-01 03:06:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:06:56,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:06:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 482 states and 1003 transitions. [2018-10-01 03:06:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1003 transitions. [2018-10-01 03:06:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:06:59,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 483 states and 1006 transitions. [2018-10-01 03:07:01,890 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1006 transitions. [2018-10-01 03:07:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:07:01,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:07:03,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 484 states and 1008 transitions. [2018-10-01 03:07:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1008 transitions. [2018-10-01 03:07:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:07:03,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 487 states and 1013 transitions. [2018-10-01 03:07:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1013 transitions. [2018-10-01 03:07:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:07:04,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:04,810 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 490 states and 1025 transitions. [2018-10-01 03:07:08,008 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1025 transitions. [2018-10-01 03:07:08,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:07:08,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:07:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 501 states and 1046 transitions. [2018-10-01 03:07:13,136 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1046 transitions. [2018-10-01 03:07:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:07:13,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-01 03:07:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:14,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 502 states and 1047 transitions. [2018-10-01 03:07:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1047 transitions. [2018-10-01 03:07:14,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:07:14,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 502 states and 1043 transitions. [2018-10-01 03:07:16,032 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1043 transitions. [2018-10-01 03:07:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 03:07:16,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 502 states and 1042 transitions. [2018-10-01 03:07:17,057 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1042 transitions. [2018-10-01 03:07:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:17,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 517 states and 1097 transitions. [2018-10-01 03:07:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1097 transitions. [2018-10-01 03:07:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:30,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 526 states and 1111 transitions. [2018-10-01 03:07:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1111 transitions. [2018-10-01 03:07:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:34,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 527 states and 1113 transitions. [2018-10-01 03:07:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1113 transitions. [2018-10-01 03:07:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:37,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 529 states and 1116 transitions. [2018-10-01 03:07:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1116 transitions. [2018-10-01 03:07:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:39,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 530 states and 1117 transitions. [2018-10-01 03:07:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1117 transitions. [2018-10-01 03:07:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:42,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 530 states and 1115 transitions. [2018-10-01 03:07:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1115 transitions. [2018-10-01 03:07:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:45,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:07:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:46,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 531 states and 1117 transitions. [2018-10-01 03:07:46,948 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1117 transitions. [2018-10-01 03:07:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:46,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 532 states and 1118 transitions. [2018-10-01 03:07:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1118 transitions. [2018-10-01 03:07:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:48,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-01 03:07:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 534 states and 1121 transitions. [2018-10-01 03:07:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1121 transitions. [2018-10-01 03:07:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:07:51,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-01 03:07:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 543 states and 1130 transitions. [2018-10-01 03:07:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1130 transitions. [2018-10-01 03:07:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:07:55,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:07:58,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:58,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 544 states and 1131 transitions. [2018-10-01 03:07:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1131 transitions. [2018-10-01 03:07:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:07:58,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:01,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 544 states and 1127 transitions. [2018-10-01 03:08:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1127 transitions. [2018-10-01 03:08:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:08:01,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:08:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 555 states and 1148 transitions. [2018-10-01 03:08:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1148 transitions. [2018-10-01 03:08:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:08:07,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-01 03:08:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 556 states and 1149 transitions. [2018-10-01 03:08:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1149 transitions. [2018-10-01 03:08:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:08:08,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 559 states and 1154 transitions. [2018-10-01 03:08:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1154 transitions. [2018-10-01 03:08:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:08:10,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:08:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 562 states and 1160 transitions. [2018-10-01 03:08:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1160 transitions. [2018-10-01 03:08:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:08:12,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:08:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 564 states and 1163 transitions. [2018-10-01 03:08:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1163 transitions. [2018-10-01 03:08:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:08:13,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-01 03:08:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 566 states and 1165 transitions. [2018-10-01 03:08:14,404 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1165 transitions. [2018-10-01 03:08:14,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:08:14,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 566 states and 1163 transitions. [2018-10-01 03:08:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1163 transitions. [2018-10-01 03:08:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 03:08:16,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:16,422 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 567 states and 1169 transitions. [2018-10-01 03:08:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1169 transitions. [2018-10-01 03:08:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:08:18,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:08:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 570 states and 1172 transitions. [2018-10-01 03:08:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1172 transitions. [2018-10-01 03:08:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:08:24,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:08:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:26,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 571 states and 1173 transitions. [2018-10-01 03:08:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1173 transitions. [2018-10-01 03:08:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:08:26,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 572 states and 1174 transitions. [2018-10-01 03:08:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1174 transitions. [2018-10-01 03:08:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:08:27,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 573 states and 1175 transitions. [2018-10-01 03:08:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1175 transitions. [2018-10-01 03:08:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:08:30,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 583 states and 1199 transitions. [2018-10-01 03:08:35,626 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1199 transitions. [2018-10-01 03:08:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:08:35,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:41,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 597 states and 1220 transitions. [2018-10-01 03:08:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1220 transitions. [2018-10-01 03:08:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:08:41,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-01 03:08:44,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:44,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 599 states and 1222 transitions. [2018-10-01 03:08:44,462 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1222 transitions. [2018-10-01 03:08:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:08:44,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-01 03:08:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 608 states and 1231 transitions. [2018-10-01 03:08:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1231 transitions. [2018-10-01 03:08:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:08:48,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:52,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 609 states and 1238 transitions. [2018-10-01 03:08:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1238 transitions. [2018-10-01 03:08:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:08:52,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:52,241 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:08:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:54,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 611 states and 1241 transitions. [2018-10-01 03:08:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1241 transitions. [2018-10-01 03:08:54,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:08:54,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-01 03:08:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:55,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 613 states and 1243 transitions. [2018-10-01 03:08:55,817 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1243 transitions. [2018-10-01 03:08:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:08:55,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 613 states and 1241 transitions. [2018-10-01 03:08:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1241 transitions. [2018-10-01 03:08:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:08:58,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:02,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 613 states and 1239 transitions. [2018-10-01 03:09:02,128 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1239 transitions. [2018-10-01 03:09:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 03:09:02,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:09:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 616 states and 1245 transitions. [2018-10-01 03:09:03,711 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1245 transitions. [2018-10-01 03:09:03,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:03,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 626 states and 1268 transitions. [2018-10-01 03:09:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1268 transitions. [2018-10-01 03:09:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:11,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:09:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:16,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 638 states and 1281 transitions. [2018-10-01 03:09:16,736 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1281 transitions. [2018-10-01 03:09:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:16,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 648 states and 1302 transitions. [2018-10-01 03:09:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1302 transitions. [2018-10-01 03:09:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:23,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:09:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 651 states and 1305 transitions. [2018-10-01 03:09:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1305 transitions. [2018-10-01 03:09:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:27,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:09:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 662 states and 1326 transitions. [2018-10-01 03:09:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1326 transitions. [2018-10-01 03:09:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:36,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-01 03:09:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 663 states and 1327 transitions. [2018-10-01 03:09:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1327 transitions. [2018-10-01 03:09:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:38,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:41,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 663 states and 1323 transitions. [2018-10-01 03:09:41,906 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1323 transitions. [2018-10-01 03:09:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:41,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:09:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 664 states and 1324 transitions. [2018-10-01 03:09:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1324 transitions. [2018-10-01 03:09:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:43,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:45,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 664 states and 1300 transitions. [2018-10-01 03:09:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1300 transitions. [2018-10-01 03:09:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:45,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:09:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 669 states and 1311 transitions. [2018-10-01 03:09:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1311 transitions. [2018-10-01 03:09:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:09:47,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 689 states and 1351 transitions. [2018-10-01 03:10:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1351 transitions. [2018-10-01 03:10:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:08,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:15,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 702 states and 1371 transitions. [2018-10-01 03:10:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1371 transitions. [2018-10-01 03:10:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:15,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-01 03:10:20,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 704 states and 1376 transitions. [2018-10-01 03:10:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1376 transitions. [2018-10-01 03:10:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:20,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:25,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 704 states and 1374 transitions. [2018-10-01 03:10:25,332 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1374 transitions. [2018-10-01 03:10:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:25,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 709 states and 1385 transitions. [2018-10-01 03:10:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1385 transitions. [2018-10-01 03:10:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:28,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 714 states and 1403 transitions. [2018-10-01 03:10:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1403 transitions. [2018-10-01 03:10:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:33,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:10:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 715 states and 1404 transitions. [2018-10-01 03:10:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1404 transitions. [2018-10-01 03:10:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:34,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 722 states and 1413 transitions. [2018-10-01 03:10:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1413 transitions. [2018-10-01 03:10:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:38,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 723 states and 1420 transitions. [2018-10-01 03:10:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1420 transitions. [2018-10-01 03:10:42,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:42,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 725 states and 1425 transitions. [2018-10-01 03:10:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1425 transitions. [2018-10-01 03:10:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:46,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:48,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 726 states and 1428 transitions. [2018-10-01 03:10:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1428 transitions. [2018-10-01 03:10:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:48,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 727 states and 1429 transitions. [2018-10-01 03:10:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1429 transitions. [2018-10-01 03:10:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 03:10:49,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:58,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 736 states and 1432 transitions. [2018-10-01 03:10:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1432 transitions. [2018-10-01 03:10:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:10:58,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 751 states and 1448 transitions. [2018-10-01 03:11:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1448 transitions. [2018-10-01 03:11:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:07,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-01 03:11:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 752 states and 1449 transitions. [2018-10-01 03:11:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1449 transitions. [2018-10-01 03:11:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:11,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-01 03:11:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 755 states and 1455 transitions. [2018-10-01 03:11:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1455 transitions. [2018-10-01 03:11:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:18,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 755 states and 1451 transitions. [2018-10-01 03:11:22,049 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1451 transitions. [2018-10-01 03:11:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:22,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:26,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 755 states and 1447 transitions. [2018-10-01 03:11:26,663 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1447 transitions. [2018-10-01 03:11:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:26,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:11:36,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 766 states and 1467 transitions. [2018-10-01 03:11:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1467 transitions. [2018-10-01 03:11:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:36,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-01 03:11:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:38,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 767 states and 1468 transitions. [2018-10-01 03:11:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1468 transitions. [2018-10-01 03:11:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:38,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:38,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 768 states and 1469 transitions. [2018-10-01 03:11:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1469 transitions. [2018-10-01 03:11:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:40,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:11:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 771 states and 1478 transitions. [2018-10-01 03:11:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1478 transitions. [2018-10-01 03:11:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:11:42,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 771 states and 1477 transitions. [2018-10-01 03:11:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1477 transitions. [2018-10-01 03:11:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:11:44,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 772 states and 1478 transitions. [2018-10-01 03:11:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1478 transitions. [2018-10-01 03:11:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:11:49,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:56,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 780 states and 1490 transitions. [2018-10-01 03:11:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1490 transitions. [2018-10-01 03:11:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:11:56,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 796 states and 1508 transitions. [2018-10-01 03:12:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1508 transitions. [2018-10-01 03:12:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:12:15,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 796 states and 1507 transitions. [2018-10-01 03:12:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1507 transitions. [2018-10-01 03:12:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:12:20,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:24,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 796 states and 1503 transitions. [2018-10-01 03:12:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1503 transitions. [2018-10-01 03:12:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:12:24,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:34,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 808 states and 1517 transitions. [2018-10-01 03:12:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1517 transitions. [2018-10-01 03:12:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:12:34,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:12:39,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 812 states and 1525 transitions. [2018-10-01 03:12:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1525 transitions. [2018-10-01 03:12:39,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:12:39,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 815 states and 1530 transitions. [2018-10-01 03:12:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1530 transitions. [2018-10-01 03:12:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:12:41,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:12:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 816 states and 1531 transitions. [2018-10-01 03:12:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1531 transitions. [2018-10-01 03:12:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:12:44,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 817 states and 1532 transitions. [2018-10-01 03:12:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1532 transitions. [2018-10-01 03:12:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 03:12:46,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:50,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:50,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 821 states and 1541 transitions. [2018-10-01 03:12:50,551 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1541 transitions. [2018-10-01 03:12:50,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:12:50,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 822 states and 1542 transitions. [2018-10-01 03:12:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1542 transitions. [2018-10-01 03:12:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:12:53,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 822 states and 1541 transitions. [2018-10-01 03:13:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1541 transitions. [2018-10-01 03:13:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:01,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 832 states and 1551 transitions. [2018-10-01 03:13:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1551 transitions. [2018-10-01 03:13:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:10,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 847 states and 1570 transitions. [2018-10-01 03:13:27,071 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1570 transitions. [2018-10-01 03:13:27,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:27,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 857 states and 1582 transitions. [2018-10-01 03:13:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1582 transitions. [2018-10-01 03:13:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:35,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 857 states and 1580 transitions. [2018-10-01 03:13:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1580 transitions. [2018-10-01 03:13:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:41,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:41,808 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-01 03:13:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 859 states and 1583 transitions. [2018-10-01 03:13:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1583 transitions. [2018-10-01 03:13:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:45,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-01 03:13:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 861 states and 1585 transitions. [2018-10-01 03:13:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1585 transitions. [2018-10-01 03:13:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:48,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 861 states and 1583 transitions. [2018-10-01 03:13:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1583 transitions. [2018-10-01 03:13:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:53,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 862 states and 1584 transitions. [2018-10-01 03:13:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1584 transitions. [2018-10-01 03:13:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:55,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:13:58,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 865 states and 1602 transitions. [2018-10-01 03:13:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1602 transitions. [2018-10-01 03:13:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:13:58,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:00,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 866 states and 1602 transitions. [2018-10-01 03:14:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1602 transitions. [2018-10-01 03:14:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:00,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:06,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 867 states and 1603 transitions. [2018-10-01 03:14:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1603 transitions. [2018-10-01 03:14:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:06,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 868 states and 1604 transitions. [2018-10-01 03:14:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1604 transitions. [2018-10-01 03:14:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:08,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 871 states and 1609 transitions. [2018-10-01 03:14:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1609 transitions. [2018-10-01 03:14:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:19,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 875 states and 1617 transitions. [2018-10-01 03:14:24,961 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1617 transitions. [2018-10-01 03:14:24,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:24,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-01 03:14:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 876 states and 1617 transitions. [2018-10-01 03:14:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1617 transitions. [2018-10-01 03:14:29,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:29,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 877 states and 1619 transitions. [2018-10-01 03:14:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1619 transitions. [2018-10-01 03:14:31,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:31,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:49,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 893 states and 1640 transitions. [2018-10-01 03:14:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1640 transitions. [2018-10-01 03:14:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:49,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 903 states and 1652 transitions. [2018-10-01 03:14:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1652 transitions. [2018-10-01 03:14:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:14:59,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:59,534 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 906 states and 1662 transitions. [2018-10-01 03:15:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1662 transitions. [2018-10-01 03:15:07,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:15:07,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 909 states and 1672 transitions. [2018-10-01 03:15:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1672 transitions. [2018-10-01 03:15:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:15:14,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-01 03:15:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:17,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 910 states and 1673 transitions. [2018-10-01 03:15:17,027 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1673 transitions. [2018-10-01 03:15:17,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 03:15:17,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:17,039 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 913 states and 1679 transitions. [2018-10-01 03:15:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1679 transitions. [2018-10-01 03:15:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:15:19,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:19,953 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 914 states and 1680 transitions. [2018-10-01 03:15:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1680 transitions. [2018-10-01 03:15:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:15:22,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 915 states and 1681 transitions. [2018-10-01 03:15:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1681 transitions. [2018-10-01 03:15:24,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:15:24,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 917 states and 1686 transitions. [2018-10-01 03:15:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1686 transitions. [2018-10-01 03:15:30,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:15:30,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:32,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 918 states and 1686 transitions. [2018-10-01 03:15:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1686 transitions. [2018-10-01 03:15:32,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:15:32,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 937 states and 1727 transitions. [2018-10-01 03:15:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1727 transitions. [2018-10-01 03:15:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:15:47,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:47,412 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 938 states and 1729 transitions. [2018-10-01 03:15:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1729 transitions. [2018-10-01 03:15:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:15:52,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 939 states and 1735 transitions. [2018-10-01 03:15:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1735 transitions. [2018-10-01 03:15:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:15:58,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 940 states and 1738 transitions. [2018-10-01 03:16:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1738 transitions. [2018-10-01 03:16:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:16:03,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:15,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 952 states and 1753 transitions. [2018-10-01 03:16:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1753 transitions. [2018-10-01 03:16:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:16:15,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 953 states and 1759 transitions. [2018-10-01 03:16:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1759 transitions. [2018-10-01 03:16:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:16:23,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 965 states and 1774 transitions. [2018-10-01 03:16:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1774 transitions. [2018-10-01 03:16:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:16:35,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 966 states and 1780 transitions. [2018-10-01 03:16:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1780 transitions. [2018-10-01 03:16:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:16:44,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 967 states and 1781 transitions. [2018-10-01 03:16:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1781 transitions. [2018-10-01 03:16:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:16:47,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 970 states and 1787 transitions. [2018-10-01 03:16:53,536 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1787 transitions. [2018-10-01 03:16:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 03:16:53,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 971 states and 1788 transitions. [2018-10-01 03:16:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1788 transitions. [2018-10-01 03:16:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 03:16:57,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 972 states and 1789 transitions. [2018-10-01 03:16:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1789 transitions. [2018-10-01 03:16:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 03:16:59,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:09,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 987 states and 1804 transitions. [2018-10-01 03:17:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1804 transitions. [2018-10-01 03:17:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 03:17:09,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1008 states and 1846 transitions. [2018-10-01 03:17:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1846 transitions. [2018-10-01 03:17:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 03:17:22,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:22,593 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:17:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1011 states and 1855 transitions. [2018-10-01 03:17:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1855 transitions. [2018-10-01 03:17:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 03:17:32,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown