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.epf -i ../../../trunk/examples/programs/real-life/RailwayCrossing.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:03:15,470 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:03:15,473 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:03:15,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:03:15,492 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:03:15,493 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:03:15,494 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:03:15,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:03:15,499 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:03:15,503 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:03:15,505 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:03:15,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:03:15,507 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:03:15,508 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:03:15,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:03:15,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:03:15,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:03:15,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:03:15,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:03:15,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:03:15,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:03:15,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:03:15,527 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:03:15,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:03:15,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:03:15,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:03:15,529 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:03:15,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:03:15,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:03:15,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:03:15,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:03:15,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:03:15,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:03:15,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:03:15,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:03:15,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:03:15,535 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 13:03:15,550 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:03:15,550 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:03:15,551 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:03:15,551 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:03:15,552 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:03:15,552 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:03:15,553 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:03:15,553 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:03:15,553 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:03:15,553 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:03:15,553 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:03:15,554 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:03:15,554 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:03:15,554 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:03:15,554 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:03:15,554 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:03:15,555 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:03:15,555 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:03:15,555 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:03:15,555 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:03:15,555 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:03:15,556 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:03:15,556 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:03:15,556 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:03:15,556 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:03:15,556 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:03:15,557 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:03:15,557 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:03:15,557 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:03:15,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:03:15,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:03:15,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:03:15,627 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:03:15,628 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:03:15,628 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2018-10-04 13:03:15,631 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2018-10-04 13:03:15,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:03:15,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:03:15,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:03:15,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:03:15,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:03:15,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,729 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:03:15,730 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:03:15,730 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:03:15,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:03:15,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:03:15,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:03:15,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:03:15,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:03:15,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:03:15,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:03:15,756 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:03:15,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (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 13:03:15,826 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-10-04 13:03:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-10-04 13:03:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-10-04 13:03:16,413 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:03:16,414 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:03:16 BoogieIcfgContainer [2018-10-04 13:03:16,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:03:16,415 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:03:16,415 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:03:16,424 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:03:16,425 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:03:16" (1/1) ... [2018-10-04 13:03:16,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:03:16,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 13:03:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 13:03:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:03:16,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:16,607 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 13:03:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:16,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-04 13:03:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-04 13:03:16,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:03:16,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 7 states and 12 transitions. [2018-10-04 13:03:16,924 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 12 transitions. [2018-10-04 13:03:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:03:16,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 8 states and 17 transitions. [2018-10-04 13:03:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 17 transitions. [2018-10-04 13:03:17,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:03:17,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 9 states and 23 transitions. [2018-10-04 13:03:17,514 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 23 transitions. [2018-10-04 13:03:17,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:03:17,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:17,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 10 states and 30 transitions. [2018-10-04 13:03:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 30 transitions. [2018-10-04 13:03:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:03:17,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:18,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:18,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 11 states and 38 transitions. [2018-10-04 13:03:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 38 transitions. [2018-10-04 13:03:18,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:03:18,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 12 states and 47 transitions. [2018-10-04 13:03:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 47 transitions. [2018-10-04 13:03:18,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:03:18,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:19,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 13 states and 57 transitions. [2018-10-04 13:03:19,014 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 57 transitions. [2018-10-04 13:03:19,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:03:19,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 14 states and 68 transitions. [2018-10-04 13:03:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 68 transitions. [2018-10-04 13:03:19,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:03:19,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:19,640 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 15 states and 80 transitions. [2018-10-04 13:03:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 80 transitions. [2018-10-04 13:03:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:03:19,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:20,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 16 states and 93 transitions. [2018-10-04 13:03:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 93 transitions. [2018-10-04 13:03:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:03:20,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 17 states and 107 transitions. [2018-10-04 13:03:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 107 transitions. [2018-10-04 13:03:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:03:20,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:20,966 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:21,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 18 states and 122 transitions. [2018-10-04 13:03:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 122 transitions. [2018-10-04 13:03:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:03:21,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 19 states and 138 transitions. [2018-10-04 13:03:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 138 transitions. [2018-10-04 13:03:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:03:21,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:22,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 20 states and 155 transitions. [2018-10-04 13:03:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 155 transitions. [2018-10-04 13:03:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:03:22,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:23,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 21 states and 173 transitions. [2018-10-04 13:03:23,985 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 173 transitions. [2018-10-04 13:03:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:03:23,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 22 states and 192 transitions. [2018-10-04 13:03:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 192 transitions. [2018-10-04 13:03:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:03:25,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 23 states and 212 transitions. [2018-10-04 13:03:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 212 transitions. [2018-10-04 13:03:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:03:25,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 24 states and 233 transitions. [2018-10-04 13:03:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 233 transitions. [2018-10-04 13:03:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:03:26,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 25 states and 255 transitions. [2018-10-04 13:03:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 255 transitions. [2018-10-04 13:03:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:03:27,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 26 states and 278 transitions. [2018-10-04 13:03:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 278 transitions. [2018-10-04 13:03:28,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:03:28,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:28,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:28,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 27 states and 302 transitions. [2018-10-04 13:03:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 302 transitions. [2018-10-04 13:03:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:03:28,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 28 states and 327 transitions. [2018-10-04 13:03:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 327 transitions. [2018-10-04 13:03:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:03:29,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 29 states and 353 transitions. [2018-10-04 13:03:30,192 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 353 transitions. [2018-10-04 13:03:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:03:30,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 30 states and 380 transitions. [2018-10-04 13:03:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 380 transitions. [2018-10-04 13:03:30,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:03:30,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 31 states and 408 transitions. [2018-10-04 13:03:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 408 transitions. [2018-10-04 13:03:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:03:31,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 32 states and 437 transitions. [2018-10-04 13:03:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 437 transitions. [2018-10-04 13:03:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:03:31,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 33 states and 467 transitions. [2018-10-04 13:03:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 467 transitions. [2018-10-04 13:03:32,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:03:32,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:32,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 34 states and 498 transitions. [2018-10-04 13:03:32,887 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 498 transitions. [2018-10-04 13:03:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:03:32,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 35 states and 530 transitions. [2018-10-04 13:03:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 530 transitions. [2018-10-04 13:03:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:03:33,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:33,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 36 states and 563 transitions. [2018-10-04 13:03:33,727 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 563 transitions. [2018-10-04 13:03:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:03:33,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 37 states and 597 transitions. [2018-10-04 13:03:34,241 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 597 transitions. [2018-10-04 13:03:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:03:34,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 38 states and 632 transitions. [2018-10-04 13:03:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 632 transitions. [2018-10-04 13:03:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:03:34,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:35,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 39 states and 668 transitions. [2018-10-04 13:03:35,420 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 668 transitions. [2018-10-04 13:03:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:03:35,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 40 states and 705 transitions. [2018-10-04 13:03:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 705 transitions. [2018-10-04 13:03:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:03:35,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:36,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 41 states and 743 transitions. [2018-10-04 13:03:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 743 transitions. [2018-10-04 13:03:36,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:03:36,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 42 states and 782 transitions. [2018-10-04 13:03:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 782 transitions. [2018-10-04 13:03:37,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:03:37,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:37,451 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 43 states and 822 transitions. [2018-10-04 13:03:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 822 transitions. [2018-10-04 13:03:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:03:37,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:44,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 44 states and 863 transitions. [2018-10-04 13:03:44,005 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 863 transitions. [2018-10-04 13:03:44,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:03:44,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 45 states and 905 transitions. [2018-10-04 13:03:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 905 transitions. [2018-10-04 13:03:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:03:47,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 46 states and 948 transitions. [2018-10-04 13:03:48,719 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 948 transitions. [2018-10-04 13:03:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:03:48,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 47 states and 992 transitions. [2018-10-04 13:03:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 992 transitions. [2018-10-04 13:03:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:03:49,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 48 states and 1037 transitions. [2018-10-04 13:03:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 1037 transitions. [2018-10-04 13:03:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:03:50,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 49 states and 1083 transitions. [2018-10-04 13:03:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1083 transitions. [2018-10-04 13:03:51,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:03:51,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 50 states and 1130 transitions. [2018-10-04 13:03:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1130 transitions. [2018-10-04 13:03:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:03:51,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 51 states and 1178 transitions. [2018-10-04 13:03:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1178 transitions. [2018-10-04 13:03:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:03:52,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 52 states and 1227 transitions. [2018-10-04 13:03:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1227 transitions. [2018-10-04 13:03:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:03:52,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 53 states and 1277 transitions. [2018-10-04 13:03:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1277 transitions. [2018-10-04 13:03:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:03:53,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 54 states and 1328 transitions. [2018-10-04 13:03:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1328 transitions. [2018-10-04 13:03:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:03:55,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 55 states and 1380 transitions. [2018-10-04 13:03:57,445 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1380 transitions. [2018-10-04 13:03:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:03:57,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 56 states and 1433 transitions. [2018-10-04 13:03:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1433 transitions. [2018-10-04 13:03:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:03:58,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 57 states and 1487 transitions. [2018-10-04 13:03:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1487 transitions. [2018-10-04 13:03:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:03:59,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 58 states and 1542 transitions. [2018-10-04 13:03:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1542 transitions. [2018-10-04 13:03:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:03:59,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:00,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 59 states and 1598 transitions. [2018-10-04 13:04:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1598 transitions. [2018-10-04 13:04:00,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:04:00,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:00,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:01,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:01,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 60 states and 1655 transitions. [2018-10-04 13:04:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1655 transitions. [2018-10-04 13:04:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:04:01,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 61 states and 1713 transitions. [2018-10-04 13:04:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1713 transitions. [2018-10-04 13:04:02,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:04:02,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 62 states and 1772 transitions. [2018-10-04 13:04:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1772 transitions. [2018-10-04 13:04:02,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:04:02,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:03,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 63 states and 1832 transitions. [2018-10-04 13:04:03,639 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1832 transitions. [2018-10-04 13:04:03,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:04:03,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:04,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 64 states and 1893 transitions. [2018-10-04 13:04:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1893 transitions. [2018-10-04 13:04:04,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:04:04,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:04,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 65 states and 1955 transitions. [2018-10-04 13:04:04,989 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1955 transitions. [2018-10-04 13:04:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:04:04,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 66 states and 2018 transitions. [2018-10-04 13:04:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 2018 transitions. [2018-10-04 13:04:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:04:05,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:06,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 67 states and 2082 transitions. [2018-10-04 13:04:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2082 transitions. [2018-10-04 13:04:06,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:04:06,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:06,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:07,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 68 states and 2147 transitions. [2018-10-04 13:04:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2147 transitions. [2018-10-04 13:04:07,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:04:07,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 69 states and 2213 transitions. [2018-10-04 13:04:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2213 transitions. [2018-10-04 13:04:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:04:08,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 70 states and 2280 transitions. [2018-10-04 13:04:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2280 transitions. [2018-10-04 13:04:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:04:08,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 71 states and 2348 transitions. [2018-10-04 13:04:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2348 transitions. [2018-10-04 13:04:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:04:09,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 72 states and 2417 transitions. [2018-10-04 13:04:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2417 transitions. [2018-10-04 13:04:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:04:10,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:11,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 73 states and 2487 transitions. [2018-10-04 13:04:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2487 transitions. [2018-10-04 13:04:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 13:04:11,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 74 states and 2558 transitions. [2018-10-04 13:04:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2558 transitions. [2018-10-04 13:04:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:04:12,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:13,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 75 states and 2630 transitions. [2018-10-04 13:04:13,630 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2630 transitions. [2018-10-04 13:04:13,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 13:04:13,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:14,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 76 states and 2703 transitions. [2018-10-04 13:04:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2703 transitions. [2018-10-04 13:04:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:04:14,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 77 states and 2777 transitions. [2018-10-04 13:04:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2777 transitions. [2018-10-04 13:04:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:04:15,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 78 states and 2852 transitions. [2018-10-04 13:04:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2852 transitions. [2018-10-04 13:04:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:04:16,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 79 states and 2928 transitions. [2018-10-04 13:04:17,463 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2928 transitions. [2018-10-04 13:04:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 13:04:17,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 80 states and 3005 transitions. [2018-10-04 13:04:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 3005 transitions. [2018-10-04 13:04:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:04:18,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:19,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:19,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 81 states and 3083 transitions. [2018-10-04 13:04:19,427 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3083 transitions. [2018-10-04 13:04:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:04:19,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 82 states and 3162 transitions. [2018-10-04 13:04:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3162 transitions. [2018-10-04 13:04:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:04:20,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 83 states and 3242 transitions. [2018-10-04 13:04:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3242 transitions. [2018-10-04 13:04:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 13:04:21,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 84 states and 3323 transitions. [2018-10-04 13:04:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3323 transitions. [2018-10-04 13:04:22,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:04:22,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:23,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 85 states and 3405 transitions. [2018-10-04 13:04:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3405 transitions. [2018-10-04 13:04:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 13:04:23,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:24,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 86 states and 3488 transitions. [2018-10-04 13:04:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3488 transitions. [2018-10-04 13:04:24,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:04:24,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 87 states and 3572 transitions. [2018-10-04 13:04:25,682 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3572 transitions. [2018-10-04 13:04:25,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:04:25,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:26,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 88 states and 3657 transitions. [2018-10-04 13:04:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3657 transitions. [2018-10-04 13:04:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:04:27,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:28,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 89 states and 3743 transitions. [2018-10-04 13:04:28,200 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3743 transitions. [2018-10-04 13:04:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 13:04:28,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 90 states and 3830 transitions. [2018-10-04 13:04:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3830 transitions. [2018-10-04 13:04:29,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:04:29,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 91 states and 3918 transitions. [2018-10-04 13:04:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3918 transitions. [2018-10-04 13:04:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:04:30,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:31,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 92 states and 4007 transitions. [2018-10-04 13:04:31,734 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 4007 transitions. [2018-10-04 13:04:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:04:31,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 93 states and 4097 transitions. [2018-10-04 13:04:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4097 transitions. [2018-10-04 13:04:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 13:04:32,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 94 states and 4188 transitions. [2018-10-04 13:04:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4188 transitions. [2018-10-04 13:04:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:04:33,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:35,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 95 states and 4280 transitions. [2018-10-04 13:04:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4280 transitions. [2018-10-04 13:04:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 13:04:35,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 96 states and 4373 transitions. [2018-10-04 13:04:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4373 transitions. [2018-10-04 13:04:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:04:36,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4467 states to 97 states and 4467 transitions. [2018-10-04 13:04:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4467 transitions. [2018-10-04 13:04:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 13:04:37,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 98 states and 4562 transitions. [2018-10-04 13:04:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4562 transitions. [2018-10-04 13:04:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:04:39,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:40,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 99 states and 4658 transitions. [2018-10-04 13:04:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4658 transitions. [2018-10-04 13:04:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 13:04:40,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 100 states and 4755 transitions. [2018-10-04 13:04:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4755 transitions. [2018-10-04 13:04:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:04:41,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 101 states and 4853 transitions. [2018-10-04 13:04:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4853 transitions. [2018-10-04 13:04:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 13:04:43,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:43,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 102 states and 4952 transitions. [2018-10-04 13:04:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4952 transitions. [2018-10-04 13:04:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:04:44,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5052 states to 103 states and 5052 transitions. [2018-10-04 13:04:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 5052 transitions. [2018-10-04 13:04:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 13:04:45,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 104 states and 5153 transitions. [2018-10-04 13:04:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5153 transitions. [2018-10-04 13:04:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:04:47,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 105 states and 5255 transitions. [2018-10-04 13:04:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5255 transitions. [2018-10-04 13:04:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 13:04:48,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5358 states to 106 states and 5358 transitions. [2018-10-04 13:04:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5358 transitions. [2018-10-04 13:04:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 13:04:49,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 107 states and 5462 transitions. [2018-10-04 13:04:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 5462 transitions. [2018-10-04 13:04:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-04 13:04:51,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:52,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 108 states and 5567 transitions. [2018-10-04 13:04:52,850 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 5567 transitions. [2018-10-04 13:04:52,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 13:04:52,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:54,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 109 states and 5673 transitions. [2018-10-04 13:04:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 5673 transitions. [2018-10-04 13:04:54,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-04 13:04:54,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5780 states to 110 states and 5780 transitions. [2018-10-04 13:04:55,721 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 5780 transitions. [2018-10-04 13:04:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 13:04:55,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:56,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 111 states and 5888 transitions. [2018-10-04 13:04:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 5888 transitions. [2018-10-04 13:04:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-04 13:04:57,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5997 states to 112 states and 5997 transitions. [2018-10-04 13:04:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 5997 transitions. [2018-10-04 13:04:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 13:04:58,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:59,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:05:00,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:05:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 113 states and 6107 transitions. [2018-10-04 13:05:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 6107 transitions. [2018-10-04 13:05:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-04 13:05:00,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:05:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:05:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:05:01,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:05:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 114 states and 6218 transitions. [2018-10-04 13:05:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 6218 transitions. [2018-10-04 13:05:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 13:05:01,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:05:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:05:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:05:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:05:03,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6330 states to 115 states and 6330 transitions. [2018-10-04 13:05:03,316 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 6330 transitions. [2018-10-04 13:05:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-04 13:05:03,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:05:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:05:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:05:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:05:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 116 states and 6443 transitions. [2018-10-04 13:05:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 6443 transitions. [2018-10-04 13:05:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 13:05:04,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:05:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:05:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:05:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:05:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 117 states and 6444 transitions. [2018-10-04 13:05:06,412 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 6444 transitions. [2018-10-04 13:05:06,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-04 13:05:06,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:05:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:05:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 1 proven. 6272 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. Received shutdown request... [2018-10-04 13:07:17,759 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:07:17,762 INFO L168 Benchmark]: Toolchain (without parser) took 242074.15 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 676.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 83.3 MB). Peak memory consumption was 760.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:07:17,764 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:07:17,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:07:17,765 INFO L168 Benchmark]: Boogie Preprocessor took 22.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:07:17,766 INFO L168 Benchmark]: RCFGBuilder took 659.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:07:17,767 INFO L168 Benchmark]: CodeCheck took 241346.31 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 676.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 62.1 MB). Peak memory consumption was 739.0 MB. Max. memory is 7.1 GB. [2018-10-04 13:07:17,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 821 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 1.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 659.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 241346.31 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 676.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 62.1 MB). Peak memory consumption was 739.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/RailwayCrossing.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-07-17-783.csv Completed graceful shutdown