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/linear_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:13:58,027 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:13:58,029 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:13:58,046 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:13:58,047 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:13:58,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:13:58,049 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:13:58,051 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:13:58,052 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:13:58,053 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:13:58,054 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:13:58,054 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:13:58,055 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:13:58,057 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:13:58,058 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:13:58,059 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:13:58,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:13:58,066 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:13:58,069 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:13:58,078 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:13:58,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:13:58,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:13:58,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:13:58,086 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:13:58,086 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:13:58,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:13:58,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:13:58,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:13:58,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:13:58,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:13:58,096 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:13:58,102 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:13:58,103 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:13:58,103 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:13:58,104 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:13:58,106 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:13:58,106 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 [2018-10-03 10:13:58,131 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:13:58,132 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:13:58,133 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:13:58,133 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:13:58,133 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:13:58,134 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:13:58,134 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:13:58,134 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:13:58,134 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:13:58,134 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:13:58,135 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:13:58,135 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:13:58,135 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:13:58,135 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:13:58,135 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:13:58,136 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:13:58,136 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:13:58,136 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:13:58,136 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:13:58,136 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:13:58,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:13:58,137 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:13:58,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:13:58,137 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:13:58,137 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:13:58,137 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:13:58,138 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:13:58,138 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:13:58,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:13:58,138 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:13:58,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:13:58,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:13:58,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:13:58,198 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:13:58,199 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:13:58,200 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-10-03 10:13:58,200 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-10-03 10:13:58,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:13:58,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:13:58,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:13:58,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:13:58,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:13:58,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:13:58,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:13:58,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:13:58,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:13:58,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:13:58,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:13:58,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:13:58,341 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:13:58,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:13:58" (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 [2018-10-03 10:13:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 10:13:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 10:13:58,740 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 10:13:58,740 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:13:58 BoogieIcfgContainer [2018-10-03 10:13:58,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:13:58,741 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:13:58,741 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:13:58,753 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:13:58,753 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:13:58" (1/1) ... [2018-10-03 10:13:58,767 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:13:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:13:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-03 10:13:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-03 10:13:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:13:58,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:13:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:13:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:13:59,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:13:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-03 10:13:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-03 10:13:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:13:59,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:13:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:00,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:02,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-10-03 10:14:02,906 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-10-03 10:14:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:14:02,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 14 states and 30 transitions. [2018-10-03 10:14:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 30 transitions. [2018-10-03 10:14:05,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:14:05,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 16 states and 36 transitions. [2018-10-03 10:14:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 36 transitions. [2018-10-03 10:14:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:14:08,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 17 states and 39 transitions. [2018-10-03 10:14:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 39 transitions. [2018-10-03 10:14:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:14:09,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2018-10-03 10:14:11,244 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2018-10-03 10:14:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:14:11,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 20 states and 44 transitions. [2018-10-03 10:14:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 44 transitions. [2018-10-03 10:14:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:14:13,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:15,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 21 states and 44 transitions. [2018-10-03 10:14:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 44 transitions. [2018-10-03 10:14:15,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:14:15,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2018-10-03 10:14:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2018-10-03 10:14:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:14:17,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 26 states and 56 transitions. [2018-10-03 10:14:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 56 transitions. [2018-10-03 10:14:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:14:20,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2018-10-03 10:14:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2018-10-03 10:14:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:14:23,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2018-10-03 10:14:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2018-10-03 10:14:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:14:25,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:26,142 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 31 states and 64 transitions. [2018-10-03 10:14:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 64 transitions. [2018-10-03 10:14:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:14:31,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 64 transitions. [2018-10-03 10:14:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 64 transitions. [2018-10-03 10:14:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:14:34,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-10-03 10:14:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-10-03 10:14:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:14:36,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2018-10-03 10:14:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2018-10-03 10:14:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:14:40,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2018-10-03 10:14:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2018-10-03 10:14:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:14:43,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2018-10-03 10:14:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2018-10-03 10:14:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:14:46,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-10-03 10:14:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-10-03 10:14:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:14:51,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2018-10-03 10:14:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2018-10-03 10:14:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:14:55,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:14:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:14:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2018-10-03 10:14:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2018-10-03 10:14:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:14:58,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:14:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:14:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-10-03 10:15:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-10-03 10:15:02,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:15:02,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2018-10-03 10:15:07,010 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2018-10-03 10:15:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:15:07,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2018-10-03 10:15:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2018-10-03 10:15:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:15:11,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2018-10-03 10:15:17,631 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2018-10-03 10:15:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:15:17,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 96 transitions. [2018-10-03 10:15:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2018-10-03 10:15:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:15:21,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:26,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2018-10-03 10:15:26,044 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2018-10-03 10:15:26,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 10:15:26,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 101 transitions. [2018-10-03 10:15:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2018-10-03 10:15:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 10:15:33,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2018-10-03 10:15:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2018-10-03 10:15:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 10:15:39,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2018-10-03 10:15:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2018-10-03 10:15:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:15:43,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2018-10-03 10:15:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2018-10-03 10:15:51,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:15:51,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:15:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:15:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2018-10-03 10:15:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2018-10-03 10:15:58,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:15:58,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:15:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:15:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2018-10-03 10:16:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2018-10-03 10:16:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:16:02,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 66 states and 120 transitions. [2018-10-03 10:16:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 120 transitions. [2018-10-03 10:16:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:16:08,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 67 states and 120 transitions. [2018-10-03 10:16:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 120 transitions. [2018-10-03 10:16:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:16:16,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 120 transitions. [2018-10-03 10:16:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2018-10-03 10:16:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:16:23,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:34,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:34,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 70 states and 125 transitions. [2018-10-03 10:16:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 125 transitions. [2018-10-03 10:16:34,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:16:34,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 71 states and 125 transitions. [2018-10-03 10:16:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 125 transitions. [2018-10-03 10:16:43,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:16:43,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2018-10-03 10:16:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2018-10-03 10:16:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:16:48,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:16:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:16:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 76 states and 136 transitions. [2018-10-03 10:16:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 136 transitions. [2018-10-03 10:16:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:16:54,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:16:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:16:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 77 states and 136 transitions. [2018-10-03 10:17:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2018-10-03 10:17:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:17:04,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 78 states and 136 transitions. [2018-10-03 10:17:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 136 transitions. [2018-10-03 10:17:14,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:17:14,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:27,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 80 states and 141 transitions. [2018-10-03 10:17:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 141 transitions. [2018-10-03 10:17:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:17:27,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 81 states and 141 transitions. [2018-10-03 10:17:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 141 transitions. [2018-10-03 10:17:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:17:38,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:43,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 144 transitions. [2018-10-03 10:17:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2018-10-03 10:17:43,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:17:43,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:17:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:17:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 86 states and 152 transitions. [2018-10-03 10:17:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 152 transitions. [2018-10-03 10:17:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:17:49,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:17:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:17:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 87 states and 152 transitions. [2018-10-03 10:18:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2018-10-03 10:18:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:18:01,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:18:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:18:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 88 states and 152 transitions. [2018-10-03 10:18:13,202 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2018-10-03 10:18:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-03 10:18:13,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:18:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:18:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown