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/20170304-DifficultPathPrograms/nested.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f-m [2018-10-04 14:56:36,295 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:56:36,297 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:56:36,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:56:36,310 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:56:36,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:56:36,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:56:36,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:56:36,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:56:36,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:56:36,317 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 14:56:36,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 14:56:36,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 14:56:36,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 14:56:36,321 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 14:56:36,322 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 14:56:36,323 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 14:56:36,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 14:56:36,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 14:56:36,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 14:56:36,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 14:56:36,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 14:56:36,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 14:56:36,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 14:56:36,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 14:56:36,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 14:56:36,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 14:56:36,337 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 14:56:36,338 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 14:56:36,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 14:56:36,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 14:56:36,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 14:56:36,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 14:56:36,341 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 14:56:36,342 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 14:56:36,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 14:56:36,343 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 14:56:36,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:56:36,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:56:36,361 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:56:36,361 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:56:36,365 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:56:36,367 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:56:36,367 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:56:36,367 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:56:36,367 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:56:36,368 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:56:36,368 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:56:36,368 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:56:36,368 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:56:36,368 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:56:36,369 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:56:36,369 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:56:36,370 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:56:36,370 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 14:56:36,370 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 14:56:36,370 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:56:36,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:56:36,371 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:56:36,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:56:36,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:56:36,371 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:56:36,371 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:56:36,372 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 14:56:36,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:56:36,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:56:36,374 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:56:36,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:56:36,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:56:36,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:56:36,443 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:56:36,444 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:56:36,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl [2018-10-04 14:56:36,445 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl' [2018-10-04 14:56:36,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:56:36,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:56:36,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:56:36,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:56:36,499 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:56:36,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:56:36,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:56:36,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:56:36,540 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:56:36,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:56:36,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:56:36,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:56:36,561 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:56:36,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:56:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:56:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 14:56:36,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 14:56:36,835 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 14:56:36,836 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:56:36 BoogieIcfgContainer [2018-10-04 14:56:36,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:56:36,837 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 14:56:36,837 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 14:56:36,848 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 14:56:36,848 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:56:36" (1/1) ... [2018-10-04 14:56:36,861 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:56:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 14:56:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 14:56:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 14:56:36,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:37,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 14:56:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 14:56:37,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 14:56:37,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-04 14:56:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-04 14:56:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 14:56:38,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-04 14:56:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-04 14:56:38,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:56:38,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 14:56:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 14:56:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:56:39,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-04 14:56:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-04 14:56:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:56:40,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-04 14:56:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-04 14:56:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:56:41,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-04 14:56:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-04 14:56:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:56:42,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-04 14:56:42,463 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-04 14:56:42,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 14:56:42,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-04 14:56:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-04 14:56:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 14:56:42,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-04 14:56:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-04 14:56:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 14:56:43,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:43,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-04 14:56:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-04 14:56:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 14:56:43,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:44,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-04 14:56:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-04 14:56:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 14:56:44,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:45,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-04 14:56:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-04 14:56:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 14:56:45,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-04 14:56:45,945 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-04 14:56:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 14:56:45,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-04 14:56:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-04 14:56:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 14:56:46,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-04 14:56:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-04 14:56:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 14:56:47,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-04 14:56:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-04 14:56:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 14:56:48,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-04 14:56:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-04 14:56:49,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 14:56:49,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-04 14:56:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-04 14:56:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 14:56:50,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-04 14:56:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-04 14:56:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 14:56:51,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-04 14:56:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-04 14:56:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 14:56:52,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:54,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-04 14:56:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-04 14:56:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 14:56:54,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-04 14:56:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-04 14:56:55,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 14:56:55,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-04 14:56:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-04 14:56:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 14:56:56,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:58,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-04 14:56:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-04 14:56:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 14:56:58,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:56:59,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:56:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-04 14:56:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-04 14:56:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 14:56:59,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:56:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:56:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:00,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-04 14:57:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-04 14:57:00,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 14:57:00,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:03,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-10-04 14:57:03,848 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-10-04 14:57:03,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 14:57:03,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-10-04 14:57:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-10-04 14:57:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 14:57:05,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:06,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-10-04 14:57:06,366 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-10-04 14:57:06,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 14:57:06,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-10-04 14:57:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-10-04 14:57:08,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 14:57:08,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:08,529 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:09,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-10-04 14:57:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-10-04 14:57:09,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 14:57:09,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-10-04 14:57:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-10-04 14:57:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 14:57:11,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-10-04 14:57:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-10-04 14:57:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 14:57:12,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:14,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-10-04 14:57:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-10-04 14:57:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 14:57:14,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-10-04 14:57:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-10-04 14:57:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 14:57:15,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-10-04 14:57:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-10-04 14:57:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 14:57:17,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-10-04 14:57:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-10-04 14:57:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 14:57:19,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-10-04 14:57:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-10-04 14:57:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 14:57:21,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-10-04 14:57:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-10-04 14:57:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 14:57:23,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-10-04 14:57:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-10-04 14:57:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 14:57:25,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-10-04 14:57:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-10-04 14:57:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 14:57:27,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-10-04 14:57:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-10-04 14:57:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 14:57:29,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:29,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:31,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:31,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-10-04 14:57:31,298 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-10-04 14:57:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 14:57:31,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-10-04 14:57:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-10-04 14:57:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 14:57:33,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-10-04 14:57:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-10-04 14:57:35,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 14:57:35,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-10-04 14:57:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-10-04 14:57:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 14:57:38,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-10-04 14:57:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-10-04 14:57:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 14:57:46,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-10-04 14:57:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-10-04 14:57:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 14:57:49,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-10-04 14:57:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-10-04 14:57:52,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 14:57:52,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-10-04 14:57:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-10-04 14:57:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 14:57:55,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:57:56,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:57:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:57:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-10-04 14:57:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-10-04 14:57:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 14:57:58,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:57:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-10-04 14:58:02,624 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-10-04 14:58:02,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 14:58:02,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:05,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-10-04 14:58:05,374 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-10-04 14:58:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 14:58:05,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:08,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 115 states and 116 transitions. [2018-10-04 14:58:08,475 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-10-04 14:58:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 14:58:08,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 117 states and 118 transitions. [2018-10-04 14:58:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-10-04 14:58:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-04 14:58:11,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-10-04 14:58:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-10-04 14:58:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 14:58:15,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 121 states and 122 transitions. [2018-10-04 14:58:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-10-04 14:58:19,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 14:58:19,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 123 states and 124 transitions. [2018-10-04 14:58:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-10-04 14:58:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-04 14:58:22,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-10-04 14:58:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-10-04 14:58:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 14:58:25,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 127 states and 128 transitions. [2018-10-04 14:58:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-10-04 14:58:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-04 14:58:29,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:29,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 129 states and 130 transitions. [2018-10-04 14:58:32,928 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-10-04 14:58:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-04 14:58:32,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-10-04 14:58:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-10-04 14:58:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 14:58:36,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 133 states and 134 transitions. [2018-10-04 14:58:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-10-04 14:58:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 14:58:40,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:41,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 135 states and 136 transitions. [2018-10-04 14:58:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-10-04 14:58:44,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-04 14:58:44,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:45,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-10-04 14:58:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-10-04 14:58:48,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 14:58:48,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:49,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 139 states and 140 transitions. [2018-10-04 14:58:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-10-04 14:58:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-04 14:58:53,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:53,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:58:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:58:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 141 states and 142 transitions. [2018-10-04 14:58:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-10-04 14:58:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-04 14:58:57,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:58:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:58:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-10-04 14:59:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-10-04 14:59:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 14:59:02,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 145 states and 146 transitions. [2018-10-04 14:59:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-10-04 14:59:06,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 14:59:06,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 147 states and 148 transitions. [2018-10-04 14:59:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-10-04 14:59:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-04 14:59:11,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-10-04 14:59:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-10-04 14:59:16,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-04 14:59:16,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 151 states and 152 transitions. [2018-10-04 14:59:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-10-04 14:59:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-04 14:59:21,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 153 states and 154 transitions. [2018-10-04 14:59:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-10-04 14:59:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-04 14:59:26,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 155 states and 156 transitions. [2018-10-04 14:59:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-10-04 14:59:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 14:59:31,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 157 states and 158 transitions. [2018-10-04 14:59:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2018-10-04 14:59:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-04 14:59:37,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 159 states and 160 transitions. [2018-10-04 14:59:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2018-10-04 14:59:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-04 14:59:43,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:43,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 161 states and 162 transitions. [2018-10-04 14:59:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-10-04 14:59:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-04 14:59:49,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:59:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:59:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 163 states and 164 transitions. [2018-10-04 14:59:55,532 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2018-10-04 14:59:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-04 14:59:55,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:59:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:59:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:00:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:00:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 165 states and 166 transitions. [2018-10-04 15:00:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2018-10-04 15:00:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-04 15:00:01,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:00:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:00:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:00:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:00:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 167 states and 168 transitions. [2018-10-04 15:00:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2018-10-04 15:00:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-04 15:00:07,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:00:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:00:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:00:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:00:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 169 states and 170 transitions. [2018-10-04 15:00:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2018-10-04 15:00:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-04 15:00:14,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:00:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:00:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:00:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:00:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 171 states and 172 transitions. [2018-10-04 15:00:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2018-10-04 15:00:21,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-04 15:00:21,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:00:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:00:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:00:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:00:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 173 states and 174 transitions. [2018-10-04 15:00:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 174 transitions. [2018-10-04 15:00:27,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-04 15:00:27,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:00:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:00:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:00:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:00:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 175 states and 176 transitions. [2018-10-04 15:00:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2018-10-04 15:00:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-04 15:00:34,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:00:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:00:35,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:00:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:00:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 177 states and 178 transitions. [2018-10-04 15:00:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2018-10-04 15:00:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-04 15:00:41,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:00:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:00:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:00:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:00:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 179 states and 180 transitions. [2018-10-04 15:00:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2018-10-04 15:00:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-04 15:00:49,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:00:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:00:49,627 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown