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-b2fde6a [2018-09-28 11:22:15,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:22:15,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:22:15,975 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:22:15,975 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:22:15,976 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:22:15,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:22:15,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:22:15,981 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:22:15,983 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:22:15,984 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:22:15,985 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:22:15,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:22:15,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:22:15,988 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:22:15,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:22:15,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:22:15,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:22:15,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:22:15,996 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:22:15,997 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:22:15,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:22:16,001 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:22:16,001 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:22:16,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:22:16,003 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:22:16,006 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:22:16,007 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:22:16,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:22:16,009 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:22:16,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:22:16,010 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:22:16,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:22:16,010 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:22:16,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:22:16,016 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:22:16,017 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-28 11:22:16,046 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:22:16,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:22:16,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:22:16,048 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:22:16,048 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:22:16,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:22:16,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:22:16,049 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:22:16,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:22:16,050 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:22:16,050 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:22:16,050 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:22:16,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:22:16,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:22:16,051 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:22:16,051 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:22:16,051 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:22:16,051 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:22:16,051 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:22:16,051 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:22:16,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:22:16,052 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:22:16,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:22:16,052 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:22:16,052 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:22:16,053 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:22:16,053 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:22:16,053 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:22:16,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:22:16,053 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:22:16,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:22:16,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:22:16,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:22:16,119 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:22:16,120 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:22:16,121 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl [2018-09-28 11:22:16,121 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl' [2018-09-28 11:22:16,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:22:16,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:22:16,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:22:16,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:22:16,202 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:22:16,224 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,239 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,244 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 11:22:16,245 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 11:22:16,245 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 11:22:16,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:22:16,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:22:16,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:22:16,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:22:16,260 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,261 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,265 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,265 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,275 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,288 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,291 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 28.09 11:22:16" (1/1) ... [2018-09-28 11:22:16,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:22:16,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:22:16,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:22:16,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:22:16,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:22:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:22:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-09-28 11:22:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-09-28 11:22:16,543 WARN L685 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-09-28 11:22:16,544 WARN L650 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-28 11:22:18,429 INFO L350 CfgBuilder]: Using library mode [2018-09-28 11:22:18,430 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:22:18 BoogieIcfgContainer [2018-09-28 11:22:18,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:22:18,431 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:22:18,431 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:22:18,444 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:22:18,445 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 28.09 11:22:18" (1/1) ... [2018-09-28 11:22:18,460 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:22:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 148 transitions. [2018-09-28 11:22:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 148 transitions. [2018-09-28 11:22:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:22:18,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:19,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 180 transitions. [2018-09-28 11:22:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2018-09-28 11:22:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-28 11:22:19,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 181 transitions. [2018-09-28 11:22:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 181 transitions. [2018-09-28 11:22:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-28 11:22:20,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:21,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 115 states and 197 transitions. [2018-09-28 11:22:21,112 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2018-09-28 11:22:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:22:21,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 223 transitions. [2018-09-28 11:22:21,732 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 223 transitions. [2018-09-28 11:22:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:22:21,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2018-09-28 11:22:23,025 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2018-09-28 11:22:23,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:22:23,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 241 transitions. [2018-09-28 11:22:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 241 transitions. [2018-09-28 11:22:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-28 11:22:24,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 138 states and 248 transitions. [2018-09-28 11:22:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2018-09-28 11:22:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:22:25,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:25,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-28 11:22:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 149 states and 275 transitions. [2018-09-28 11:22:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2018-09-28 11:22:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:22:26,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 151 states and 278 transitions. [2018-09-28 11:22:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 278 transitions. [2018-09-28 11:22:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:22:28,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 277 transitions. [2018-09-28 11:22:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2018-09-28 11:22:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:22:28,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:29,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 169 states and 304 transitions. [2018-09-28 11:22:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 304 transitions. [2018-09-28 11:22:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:22:29,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-28 11:22:30,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 170 states and 305 transitions. [2018-09-28 11:22:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 305 transitions. [2018-09-28 11:22:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:22:30,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 171 states and 306 transitions. [2018-09-28 11:22:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 306 transitions. [2018-09-28 11:22:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:22:31,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 174 states and 317 transitions. [2018-09-28 11:22:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2018-09-28 11:22:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:22:32,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:36,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 207 states and 389 transitions. [2018-09-28 11:22:36,146 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 389 transitions. [2018-09-28 11:22:36,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:22:36,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-28 11:22:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 209 states and 392 transitions. [2018-09-28 11:22:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2018-09-28 11:22:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:22:36,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 393 transitions. [2018-09-28 11:22:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 393 transitions. [2018-09-28 11:22:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:22:38,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:38,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 210 states and 392 transitions. [2018-09-28 11:22:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2018-09-28 11:22:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:22:38,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:41,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 226 states and 418 transitions. [2018-09-28 11:22:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 418 transitions. [2018-09-28 11:22:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:22:41,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 227 states and 419 transitions. [2018-09-28 11:22:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 419 transitions. [2018-09-28 11:22:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:22:42,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 228 states and 420 transitions. [2018-09-28 11:22:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 420 transitions. [2018-09-28 11:22:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 11:22:43,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:51,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 253 states and 475 transitions. [2018-09-28 11:22:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 475 transitions. [2018-09-28 11:22:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 11:22:51,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 254 states and 477 transitions. [2018-09-28 11:22:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 477 transitions. [2018-09-28 11:22:54,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:22:54,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 255 states and 478 transitions. [2018-09-28 11:22:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 478 transitions. [2018-09-28 11:22:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:22:55,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:22:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:22:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 256 states and 479 transitions. [2018-09-28 11:22:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 479 transitions. [2018-09-28 11:22:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 11:22:56,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:22:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:22:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 258 states and 488 transitions. [2018-09-28 11:23:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 488 transitions. [2018-09-28 11:23:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 11:23:02,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:14,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 281 states and 546 transitions. [2018-09-28 11:23:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 546 transitions. [2018-09-28 11:23:14,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:23:14,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 288 states and 572 transitions. [2018-09-28 11:23:37,661 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 572 transitions. [2018-09-28 11:23:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:23:37,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:23:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:23:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 291 states and 581 transitions. [2018-09-28 11:23:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 581 transitions. [2018-09-28 11:23:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:23:40,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:23:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:23:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:12,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 309 states and 605 transitions. [2018-09-28 11:24:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 605 transitions. [2018-09-28 11:24:12,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:24:12,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:24:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:24:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 310 states and 611 transitions. [2018-09-28 11:24:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 611 transitions. [2018-09-28 11:24:23,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 11:24:23,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:24:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:24:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 328 states and 642 transitions. [2018-09-28 11:25:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 642 transitions. [2018-09-28 11:25:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 11:25:01,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 329 states and 643 transitions. [2018-09-28 11:25:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 643 transitions. [2018-09-28 11:25:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 11:25:04,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:25:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:25:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 328 states and 641 transitions. [2018-09-28 11:25:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 641 transitions. [2018-09-28 11:25:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 11:25:09,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:25:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:25:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:26:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:26:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 346 states and 667 transitions. [2018-09-28 11:26:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 667 transitions. [2018-09-28 11:26:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:26:12,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:26:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:26:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown