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/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:42:54,244 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:42:54,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:42:54,258 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:42:54,259 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:42:54,260 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:42:54,261 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:42:54,263 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:42:54,264 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:42:54,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:42:54,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:42:54,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:42:54,269 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:42:54,270 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:42:54,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:42:54,274 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:42:54,275 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:42:54,281 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:42:54,285 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:42:54,287 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:42:54,288 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:42:54,291 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:42:54,295 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:42:54,296 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:42:54,296 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:42:54,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:42:54,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:42:54,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:42:54,302 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:42:54,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:42:54,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:42:54,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:42:54,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:42:54,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:42:54,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:42:54,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:42:54,310 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 10:42:54,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:42:54,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:42:54,338 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:42:54,338 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:42:54,339 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:42:54,339 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:42:54,339 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:42:54,339 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:42:54,339 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:42:54,340 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:42:54,340 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:42:54,340 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:42:54,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:42:54,341 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:42:54,341 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:42:54,341 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:42:54,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:42:54,342 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:42:54,342 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:42:54,342 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 10:42:54,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:42:54,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:42:54,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:42:54,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:42:54,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:42:54,343 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:42:54,343 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:42:54,344 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:42:54,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:42:54,345 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:42:54,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:42:54,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:42:54,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:42:54,431 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:42:54,431 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:42:54,432 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-10-04 10:42:54,432 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-10-04 10:42:54,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:42:54,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:42:54,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:42:54,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:42:54,489 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:42:54,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:42:54,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:42:54,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:42:54,532 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:42:54,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:42:54,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:42:54,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:42:54,553 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:42:54,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:42:54" (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 10:42:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:42:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:42:54,819 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:42:54,820 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:42:54 BoogieIcfgContainer [2018-10-04 10:42:54,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:42:54,820 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:42:54,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:42:54,830 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:42:54,830 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:42:54" (1/1) ... [2018-10-04 10:42:54,842 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 10:42:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-04 10:42:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-04 10:42:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:42:54,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:55,041 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 10:42:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-04 10:42:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-04 10:42:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:42:55,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-10-04 10:42:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-10-04 10:42:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:42:55,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:42:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-04 10:42:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-04 10:42:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:42:56,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-04 10:42:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-10-04 10:42:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-10-04 10:42:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:42:57,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 10:42:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-10-04 10:42:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-10-04 10:42:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:42:58,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-04 10:42:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:42:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-10-04 10:42:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-10-04 10:42:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:42:59,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:42:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:42:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-04 10:43:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2018-10-04 10:43:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-10-04 10:43:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:43:00,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 10:43:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2018-10-04 10:43:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-10-04 10:43:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:43:01,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:43:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:01,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2018-10-04 10:43:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-04 10:43:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:43:01,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-04 10:43:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2018-10-04 10:43:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-10-04 10:43:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:43:03,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-04 10:43:05,050 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 21 [2018-10-04 10:43:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2018-10-04 10:43:05,592 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-10-04 10:43:05,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:43:05,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 322 proven. 12 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-04 10:43:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2018-10-04 10:43:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-10-04 10:43:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:43:06,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-04 10:43:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-10-04 10:43:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-10-04 10:43:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:43:08,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 448 proven. 12 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-04 10:43:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-10-04 10:43:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-10-04 10:43:09,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:43:09,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-04 10:43:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:11,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2018-10-04 10:43:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2018-10-04 10:43:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:43:11,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-10-04 10:43:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2018-10-04 10:43:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-10-04 10:43:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:43:13,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-04 10:43:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2018-10-04 10:43:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-10-04 10:43:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:43:18,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 700 proven. 12 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-10-04 10:43:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2018-10-04 10:43:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2018-10-04 10:43:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 10:43:20,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-04 10:43:22,217 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 41 new depth: 41 [2018-10-04 10:43:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2018-10-04 10:43:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-10-04 10:43:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 10:43:23,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 826 proven. 12 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2018-10-04 10:43:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:25,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2018-10-04 10:43:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-10-04 10:43:25,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 10:43:25,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 0 proven. 1732 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-10-04 10:43:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:28,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2018-10-04 10:43:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-10-04 10:43:28,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 10:43:28,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 952 proven. 12 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2018-10-04 10:43:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2018-10-04 10:43:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2018-10-04 10:43:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 10:43:30,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-10-04 10:43:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2018-10-04 10:43:34,429 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-10-04 10:43:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 10:43:34,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1078 proven. 12 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-10-04 10:43:36,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2018-10-04 10:43:36,432 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-10-04 10:43:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 10:43:36,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2684 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-04 10:43:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2018-10-04 10:43:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2018-10-04 10:43:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 10:43:40,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3348 backedges. 1204 proven. 12 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-10-04 10:43:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 145 states and 158 transitions. [2018-10-04 10:43:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2018-10-04 10:43:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 10:43:42,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 0 proven. 3238 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-10-04 10:43:47,861 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 63 new depth: 62 [2018-10-04 10:43:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 155 states and 169 transitions. [2018-10-04 10:43:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2018-10-04 10:43:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 10:43:48,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:48,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3964 backedges. 1330 proven. 12 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2018-10-04 10:43:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:51,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 157 states and 171 transitions. [2018-10-04 10:43:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2018-10-04 10:43:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-04 10:43:51,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4088 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-04 10:43:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:43:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 167 states and 182 transitions. [2018-10-04 10:43:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-10-04 10:43:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-04 10:43:56,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:43:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:43:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 1456 proven. 12 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2018-10-04 10:44:00,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 169 states and 184 transitions. [2018-10-04 10:44:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2018-10-04 10:44:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-04 10:44:00,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4766 backedges. 0 proven. 4502 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-10-04 10:44:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 179 states and 195 transitions. [2018-10-04 10:44:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2018-10-04 10:44:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-04 10:44:08,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 1582 proven. 12 refuted. 0 times theorem prover too weak. 3758 trivial. 0 not checked. [2018-10-04 10:44:11,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 181 states and 197 transitions. [2018-10-04 10:44:11,294 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2018-10-04 10:44:11,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-04 10:44:11,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 0 proven. 5212 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-04 10:44:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2018-10-04 10:44:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2018-10-04 10:44:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-04 10:44:17,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6124 backedges. 1708 proven. 12 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2018-10-04 10:44:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2018-10-04 10:44:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2018-10-04 10:44:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-04 10:44:21,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6278 backedges. 0 proven. 5974 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-10-04 10:44:28,371 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 83 new depth: 83 [2018-10-04 10:44:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 203 states and 221 transitions. [2018-10-04 10:44:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-10-04 10:44:28,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-04 10:44:28,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6948 backedges. 1834 proven. 12 refuted. 0 times theorem prover too weak. 5102 trivial. 0 not checked. [2018-10-04 10:44:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 205 states and 223 transitions. [2018-10-04 10:44:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 223 transitions. [2018-10-04 10:44:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-04 10:44:32,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7112 backedges. 0 proven. 6788 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-10-04 10:44:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 215 states and 234 transitions. [2018-10-04 10:44:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2018-10-04 10:44:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-04 10:44:40,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 7824 backedges. 1960 proven. 12 refuted. 0 times theorem prover too weak. 5852 trivial. 0 not checked. [2018-10-04 10:44:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 236 transitions. [2018-10-04 10:44:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 236 transitions. [2018-10-04 10:44:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-04 10:44:45,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 0 proven. 7654 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-10-04 10:44:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 227 states and 247 transitions. [2018-10-04 10:44:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2018-10-04 10:44:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-04 10:44:53,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8752 backedges. 2086 proven. 12 refuted. 0 times theorem prover too weak. 6654 trivial. 0 not checked. [2018-10-04 10:44:58,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:44:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 229 states and 249 transitions. [2018-10-04 10:44:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-10-04 10:44:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-04 10:44:58,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:44:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:44:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 8936 backedges. 0 proven. 8572 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-04 10:45:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2018-10-04 10:45:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2018-10-04 10:45:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-04 10:45:07,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2212 proven. 12 refuted. 0 times theorem prover too weak. 7508 trivial. 0 not checked. [2018-10-04 10:45:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 241 states and 262 transitions. [2018-10-04 10:45:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 262 transitions. [2018-10-04 10:45:13,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-04 10:45:13,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9926 backedges. 0 proven. 9542 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-04 10:45:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 251 states and 273 transitions. [2018-10-04 10:45:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2018-10-04 10:45:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-04 10:45:23,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 2338 proven. 12 refuted. 0 times theorem prover too weak. 8414 trivial. 0 not checked. [2018-10-04 10:45:28,792 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 104 new depth: 103 [2018-10-04 10:45:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 253 states and 275 transitions. [2018-10-04 10:45:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2018-10-04 10:45:30,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-04 10:45:30,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:30,989 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 0 proven. 10564 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-10-04 10:45:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 263 states and 286 transitions. [2018-10-04 10:45:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2018-10-04 10:45:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-04 10:45:40,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11848 backedges. 2464 proven. 12 refuted. 0 times theorem prover too weak. 9372 trivial. 0 not checked. [2018-10-04 10:45:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 265 states and 288 transitions. [2018-10-04 10:45:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 288 transitions. [2018-10-04 10:45:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-04 10:45:46,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12062 backedges. 0 proven. 11638 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-10-04 10:45:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:45:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 275 states and 299 transitions. [2018-10-04 10:45:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 299 transitions. [2018-10-04 10:45:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-04 10:45:57,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:45:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:45:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12984 backedges. 2590 proven. 12 refuted. 0 times theorem prover too weak. 10382 trivial. 0 not checked. [2018-10-04 10:46:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:46:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 277 states and 301 transitions. [2018-10-04 10:46:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2018-10-04 10:46:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-04 10:46:04,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:46:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:46:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 13208 backedges. 0 proven. 12764 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2018-10-04 10:46:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:46:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 287 states and 312 transitions. [2018-10-04 10:46:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 312 transitions. [2018-10-04 10:46:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-04 10:46:16,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:46:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:46:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 14172 backedges. 2716 proven. 12 refuted. 0 times theorem prover too weak. 11444 trivial. 0 not checked. [2018-10-04 10:46:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:46:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 289 states and 314 transitions. [2018-10-04 10:46:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2018-10-04 10:46:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-04 10:46:23,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:46:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:46:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14406 backedges. 0 proven. 13942 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-10-04 10:46:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:46:36,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 299 states and 325 transitions. [2018-10-04 10:46:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-10-04 10:46:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-10-04 10:46:36,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:46:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:46:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 15412 backedges. 2842 proven. 12 refuted. 0 times theorem prover too weak. 12558 trivial. 0 not checked. [2018-10-04 10:46:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:46:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 301 states and 327 transitions. [2018-10-04 10:46:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 327 transitions. [2018-10-04 10:46:44,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-04 10:46:44,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:46:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:46:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 15656 backedges. 0 proven. 15172 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2018-10-04 10:46:57,296 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 127 new depth: 126 [2018-10-04 10:47:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:47:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 311 states and 338 transitions. [2018-10-04 10:47:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 338 transitions. [2018-10-04 10:47:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-04 10:47:00,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:47:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:47:00,521 INFO L134 CoverageAnalysis]: Checked inductivity of 16704 backedges. 2968 proven. 12 refuted. 0 times theorem prover too weak. 13724 trivial. 0 not checked. [2018-10-04 10:47:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:47:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 313 states and 340 transitions. [2018-10-04 10:47:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 340 transitions. [2018-10-04 10:47:08,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-04 10:47:08,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:47:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:47:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16958 backedges. 0 proven. 16454 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown