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 0.1.23-1cc990c [2018-09-30 20:57:09,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:57:09,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:57:09,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:57:09,482 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:57:09,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:57:09,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:57:09,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:57:09,488 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:57:09,489 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:57:09,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:57:09,490 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:57:09,491 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:57:09,492 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:57:09,493 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:57:09,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:57:09,495 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:57:09,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:57:09,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:57:09,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:57:09,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:57:09,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:57:09,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:57:09,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:57:09,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:57:09,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:57:09,508 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:57:09,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:57:09,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:57:09,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:57:09,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:57:09,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:57:09,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:57:09,513 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:57:09,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:57:09,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:57:09,515 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 [2018-09-30 20:57:09,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:57:09,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:57:09,532 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:57:09,532 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:57:09,533 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:57:09,533 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:57:09,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:57:09,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:57:09,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:57:09,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:57:09,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:57:09,534 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:57:09,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:57:09,535 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:57:09,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:57:09,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:57:09,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:57:09,536 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 20:57:09,536 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 20:57:09,536 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:57:09,536 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:57:09,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:09,537 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:57:09,537 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:57:09,537 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:57:09,537 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 20:57:09,537 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:57:09,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:57:09,538 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:57:09,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:57:09,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:57:09,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:57:09,625 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:57:09,626 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:57:09,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2018-09-30 20:57:09,627 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2018-09-30 20:57:09,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:57:09,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:57:09,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:09,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:57:09,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:57:09,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,731 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 20:57:09,731 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 20:57:09,731 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 20:57:09,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:09,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:57:09,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:57:09,735 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:57:09,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... [2018-09-30 20:57:09,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:57:09,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:57:09,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:57:09,766 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:57:09,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:09,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-30 20:57:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-30 20:57:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-30 20:57:10,314 INFO L345 CfgBuilder]: Using library mode [2018-09-30 20:57:10,314 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:10 BoogieIcfgContainer [2018-09-30 20:57:10,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:57:10,315 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 20:57:10,316 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 20:57:10,331 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 20:57:10,331 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:10" (1/1) ... [2018-09-30 20:57:10,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:57:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 20:57:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 20:57:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 20:57:10,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-30 20:57:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-30 20:57:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:57:10,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 7 states and 12 transitions. [2018-09-30 20:57:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 12 transitions. [2018-09-30 20:57:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:10,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 8 states and 17 transitions. [2018-09-30 20:57:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 17 transitions. [2018-09-30 20:57:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:11,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 9 states and 23 transitions. [2018-09-30 20:57:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 23 transitions. [2018-09-30 20:57:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:57:11,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 10 states and 30 transitions. [2018-09-30 20:57:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 30 transitions. [2018-09-30 20:57:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:57:11,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 11 states and 38 transitions. [2018-09-30 20:57:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 38 transitions. [2018-09-30 20:57:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 20:57:12,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 12 states and 47 transitions. [2018-09-30 20:57:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 47 transitions. [2018-09-30 20:57:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:57:12,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 13 states and 57 transitions. [2018-09-30 20:57:13,004 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 57 transitions. [2018-09-30 20:57:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 20:57:13,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:13,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 14 states and 68 transitions. [2018-09-30 20:57:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 68 transitions. [2018-09-30 20:57:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 20:57:13,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 15 states and 80 transitions. [2018-09-30 20:57:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 80 transitions. [2018-09-30 20:57:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 20:57:13,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:14,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 16 states and 93 transitions. [2018-09-30 20:57:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 93 transitions. [2018-09-30 20:57:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 20:57:14,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:15,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 17 states and 107 transitions. [2018-09-30 20:57:15,144 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 107 transitions. [2018-09-30 20:57:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 20:57:15,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 18 states and 122 transitions. [2018-09-30 20:57:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 122 transitions. [2018-09-30 20:57:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:57:15,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 19 states and 138 transitions. [2018-09-30 20:57:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 138 transitions. [2018-09-30 20:57:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 20:57:16,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:17,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:17,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 20 states and 155 transitions. [2018-09-30 20:57:17,492 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 155 transitions. [2018-09-30 20:57:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 20:57:17,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 21 states and 173 transitions. [2018-09-30 20:57:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 173 transitions. [2018-09-30 20:57:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:57:19,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 22 states and 192 transitions. [2018-09-30 20:57:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 192 transitions. [2018-09-30 20:57:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 20:57:19,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:20,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 23 states and 212 transitions. [2018-09-30 20:57:20,265 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 212 transitions. [2018-09-30 20:57:20,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 20:57:20,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 24 states and 233 transitions. [2018-09-30 20:57:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 233 transitions. [2018-09-30 20:57:20,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 20:57:20,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 25 states and 255 transitions. [2018-09-30 20:57:21,071 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 255 transitions. [2018-09-30 20:57:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 20:57:21,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 26 states and 278 transitions. [2018-09-30 20:57:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 278 transitions. [2018-09-30 20:57:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 20:57:21,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:23,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 27 states and 302 transitions. [2018-09-30 20:57:23,088 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 302 transitions. [2018-09-30 20:57:23,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 20:57:23,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 28 states and 327 transitions. [2018-09-30 20:57:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 327 transitions. [2018-09-30 20:57:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 20:57:23,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 29 states and 353 transitions. [2018-09-30 20:57:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 353 transitions. [2018-09-30 20:57:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 20:57:24,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 30 states and 380 transitions. [2018-09-30 20:57:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 380 transitions. [2018-09-30 20:57:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 20:57:24,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 31 states and 408 transitions. [2018-09-30 20:57:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 408 transitions. [2018-09-30 20:57:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 20:57:25,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 32 states and 437 transitions. [2018-09-30 20:57:26,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 437 transitions. [2018-09-30 20:57:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 20:57:26,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:26,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 33 states and 467 transitions. [2018-09-30 20:57:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 467 transitions. [2018-09-30 20:57:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 20:57:26,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 34 states and 498 transitions. [2018-09-30 20:57:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 498 transitions. [2018-09-30 20:57:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 20:57:27,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 35 states and 530 transitions. [2018-09-30 20:57:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 530 transitions. [2018-09-30 20:57:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 20:57:27,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:28,190 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 36 states and 563 transitions. [2018-09-30 20:57:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 563 transitions. [2018-09-30 20:57:28,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 20:57:28,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:28,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 37 states and 597 transitions. [2018-09-30 20:57:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 597 transitions. [2018-09-30 20:57:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 20:57:28,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:29,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 38 states and 632 transitions. [2018-09-30 20:57:29,595 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 632 transitions. [2018-09-30 20:57:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 20:57:29,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 39 states and 668 transitions. [2018-09-30 20:57:30,158 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 668 transitions. [2018-09-30 20:57:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 20:57:30,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:30,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 40 states and 705 transitions. [2018-09-30 20:57:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 705 transitions. [2018-09-30 20:57:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 20:57:30,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:31,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 41 states and 743 transitions. [2018-09-30 20:57:31,293 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 743 transitions. [2018-09-30 20:57:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 20:57:31,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 42 states and 782 transitions. [2018-09-30 20:57:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 782 transitions. [2018-09-30 20:57:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 20:57:31,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 43 states and 822 transitions. [2018-09-30 20:57:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 822 transitions. [2018-09-30 20:57:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 20:57:32,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 44 states and 863 transitions. [2018-09-30 20:57:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 863 transitions. [2018-09-30 20:57:36,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 20:57:36,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 45 states and 905 transitions. [2018-09-30 20:57:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 905 transitions. [2018-09-30 20:57:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 20:57:37,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 46 states and 948 transitions. [2018-09-30 20:57:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 948 transitions. [2018-09-30 20:57:37,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 20:57:37,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 47 states and 992 transitions. [2018-09-30 20:57:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 992 transitions. [2018-09-30 20:57:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 20:57:38,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 48 states and 1037 transitions. [2018-09-30 20:57:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 1037 transitions. [2018-09-30 20:57:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 20:57:39,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:39,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 49 states and 1083 transitions. [2018-09-30 20:57:39,999 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1083 transitions. [2018-09-30 20:57:40,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 20:57:40,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 50 states and 1130 transitions. [2018-09-30 20:57:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1130 transitions. [2018-09-30 20:57:40,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 20:57:40,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 51 states and 1178 transitions. [2018-09-30 20:57:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1178 transitions. [2018-09-30 20:57:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 20:57:41,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:41,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 52 states and 1227 transitions. [2018-09-30 20:57:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1227 transitions. [2018-09-30 20:57:41,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 20:57:41,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 53 states and 1277 transitions. [2018-09-30 20:57:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1277 transitions. [2018-09-30 20:57:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 20:57:43,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:44,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 54 states and 1328 transitions. [2018-09-30 20:57:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1328 transitions. [2018-09-30 20:57:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 20:57:45,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 55 states and 1380 transitions. [2018-09-30 20:57:46,338 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1380 transitions. [2018-09-30 20:57:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 20:57:46,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 56 states and 1433 transitions. [2018-09-30 20:57:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1433 transitions. [2018-09-30 20:57:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 20:57:47,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 57 states and 1487 transitions. [2018-09-30 20:57:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1487 transitions. [2018-09-30 20:57:47,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 20:57:47,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 58 states and 1542 transitions. [2018-09-30 20:57:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1542 transitions. [2018-09-30 20:57:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 20:57:48,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:49,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 59 states and 1598 transitions. [2018-09-30 20:57:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1598 transitions. [2018-09-30 20:57:49,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 20:57:49,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 60 states and 1655 transitions. [2018-09-30 20:57:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1655 transitions. [2018-09-30 20:57:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 20:57:50,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 61 states and 1713 transitions. [2018-09-30 20:57:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1713 transitions. [2018-09-30 20:57:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 20:57:50,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 62 states and 1772 transitions. [2018-09-30 20:57:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1772 transitions. [2018-09-30 20:57:51,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 20:57:51,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 63 states and 1832 transitions. [2018-09-30 20:57:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1832 transitions. [2018-09-30 20:57:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 20:57:52,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 64 states and 1893 transitions. [2018-09-30 20:57:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1893 transitions. [2018-09-30 20:57:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 20:57:52,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 65 states and 1955 transitions. [2018-09-30 20:57:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1955 transitions. [2018-09-30 20:57:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 20:57:53,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 66 states and 2018 transitions. [2018-09-30 20:57:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 2018 transitions. [2018-09-30 20:57:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 20:57:54,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 67 states and 2082 transitions. [2018-09-30 20:57:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2082 transitions. [2018-09-30 20:57:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 20:57:55,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 68 states and 2147 transitions. [2018-09-30 20:57:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2147 transitions. [2018-09-30 20:57:55,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 20:57:55,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:56,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 69 states and 2213 transitions. [2018-09-30 20:57:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2213 transitions. [2018-09-30 20:57:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 20:57:56,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 70 states and 2280 transitions. [2018-09-30 20:57:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2280 transitions. [2018-09-30 20:57:57,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 20:57:57,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:58,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 71 states and 2348 transitions. [2018-09-30 20:57:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2348 transitions. [2018-09-30 20:57:58,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 20:57:58,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:59,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:59,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 72 states and 2417 transitions. [2018-09-30 20:57:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2417 transitions. [2018-09-30 20:57:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 20:57:59,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 73 states and 2487 transitions. [2018-09-30 20:58:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2487 transitions. [2018-09-30 20:58:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 20:58:00,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:01,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 74 states and 2558 transitions. [2018-09-30 20:58:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2558 transitions. [2018-09-30 20:58:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 20:58:01,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 75 states and 2630 transitions. [2018-09-30 20:58:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2630 transitions. [2018-09-30 20:58:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 20:58:02,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:03,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 76 states and 2703 transitions. [2018-09-30 20:58:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2703 transitions. [2018-09-30 20:58:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 20:58:03,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:04,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 77 states and 2777 transitions. [2018-09-30 20:58:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2777 transitions. [2018-09-30 20:58:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 20:58:04,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 78 states and 2852 transitions. [2018-09-30 20:58:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2852 transitions. [2018-09-30 20:58:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 20:58:05,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 79 states and 2928 transitions. [2018-09-30 20:58:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2928 transitions. [2018-09-30 20:58:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 20:58:06,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:07,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 80 states and 3005 transitions. [2018-09-30 20:58:07,912 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 3005 transitions. [2018-09-30 20:58:07,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 20:58:07,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 81 states and 3083 transitions. [2018-09-30 20:58:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3083 transitions. [2018-09-30 20:58:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 20:58:08,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 82 states and 3162 transitions. [2018-09-30 20:58:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3162 transitions. [2018-09-30 20:58:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 20:58:09,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 83 states and 3242 transitions. [2018-09-30 20:58:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3242 transitions. [2018-09-30 20:58:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 20:58:10,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:12,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 84 states and 3323 transitions. [2018-09-30 20:58:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3323 transitions. [2018-09-30 20:58:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 20:58:12,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 85 states and 3405 transitions. [2018-09-30 20:58:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3405 transitions. [2018-09-30 20:58:13,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 20:58:13,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 86 states and 3488 transitions. [2018-09-30 20:58:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3488 transitions. [2018-09-30 20:58:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 20:58:14,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 87 states and 3572 transitions. [2018-09-30 20:58:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3572 transitions. [2018-09-30 20:58:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 20:58:15,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 88 states and 3657 transitions. [2018-09-30 20:58:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3657 transitions. [2018-09-30 20:58:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 20:58:16,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 89 states and 3743 transitions. [2018-09-30 20:58:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3743 transitions. [2018-09-30 20:58:17,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 20:58:17,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 90 states and 3830 transitions. [2018-09-30 20:58:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3830 transitions. [2018-09-30 20:58:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 20:58:18,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 91 states and 3918 transitions. [2018-09-30 20:58:19,930 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3918 transitions. [2018-09-30 20:58:19,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 20:58:19,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:21,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 92 states and 4007 transitions. [2018-09-30 20:58:21,112 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 4007 transitions. [2018-09-30 20:58:21,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 20:58:21,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 93 states and 4097 transitions. [2018-09-30 20:58:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4097 transitions. [2018-09-30 20:58:22,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 20:58:22,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 94 states and 4188 transitions. [2018-09-30 20:58:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4188 transitions. [2018-09-30 20:58:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 20:58:23,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 95 states and 4280 transitions. [2018-09-30 20:58:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4280 transitions. [2018-09-30 20:58:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-30 20:58:24,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 96 states and 4373 transitions. [2018-09-30 20:58:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4373 transitions. [2018-09-30 20:58:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 20:58:25,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4467 states to 97 states and 4467 transitions. [2018-09-30 20:58:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4467 transitions. [2018-09-30 20:58:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 20:58:26,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 98 states and 4562 transitions. [2018-09-30 20:58:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4562 transitions. [2018-09-30 20:58:28,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 20:58:28,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 99 states and 4658 transitions. [2018-09-30 20:58:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4658 transitions. [2018-09-30 20:58:29,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-30 20:58:29,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:30,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 100 states and 4755 transitions. [2018-09-30 20:58:30,838 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4755 transitions. [2018-09-30 20:58:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 20:58:30,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 101 states and 4853 transitions. [2018-09-30 20:58:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4853 transitions. [2018-09-30 20:58:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-30 20:58:32,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:33,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 102 states and 4952 transitions. [2018-09-30 20:58:33,385 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4952 transitions. [2018-09-30 20:58:33,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 20:58:33,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:33,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5052 states to 103 states and 5052 transitions. [2018-09-30 20:58:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 5052 transitions. [2018-09-30 20:58:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-30 20:58:34,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 104 states and 5153 transitions. [2018-09-30 20:58:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5153 transitions. [2018-09-30 20:58:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 20:58:36,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 105 states and 5255 transitions. [2018-09-30 20:58:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5255 transitions. [2018-09-30 20:58:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-30 20:58:37,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:38,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5358 states to 106 states and 5358 transitions. [2018-09-30 20:58:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5358 transitions. [2018-09-30 20:58:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 20:58:38,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 107 states and 5462 transitions. [2018-09-30 20:58:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 5462 transitions. [2018-09-30 20:58:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-30 20:58:40,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 108 states and 5567 transitions. [2018-09-30 20:58:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 5567 transitions. [2018-09-30 20:58:41,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 20:58:41,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 109 states and 5673 transitions. [2018-09-30 20:58:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 5673 transitions. [2018-09-30 20:58:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-30 20:58:43,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:43,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5780 states to 110 states and 5780 transitions. [2018-09-30 20:58:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 5780 transitions. [2018-09-30 20:58:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 20:58:44,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 111 states and 5888 transitions. [2018-09-30 20:58:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 5888 transitions. [2018-09-30 20:58:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-30 20:58:45,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5997 states to 112 states and 5997 transitions. [2018-09-30 20:58:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 5997 transitions. [2018-09-30 20:58:47,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-30 20:58:47,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 113 states and 6107 transitions. [2018-09-30 20:58:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 6107 transitions. [2018-09-30 20:58:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-30 20:58:48,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 114 states and 6218 transitions. [2018-09-30 20:58:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 6218 transitions. [2018-09-30 20:58:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-30 20:58:50,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6330 states to 115 states and 6330 transitions. [2018-09-30 20:58:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 6330 transitions. [2018-09-30 20:58:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-30 20:58:52,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:53,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 116 states and 6443 transitions. [2018-09-30 20:58:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 6443 transitions. [2018-09-30 20:58:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-30 20:58:53,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 117 states and 6444 transitions. [2018-09-30 20:58:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 6444 transitions. [2018-09-30 20:58:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-30 20:58:54,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:27,192 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... [2018-09-30 21:01:14,066 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:01:14,068 INFO L168 Benchmark]: Toolchain (without parser) took 244382.04 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -738.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-30 21:01:14,070 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-09-30 21:01:14,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.17 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. [2018-09-30 21:01:14,071 INFO L168 Benchmark]: Boogie Preprocessor took 28.31 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. [2018-09-30 21:01:14,071 INFO L168 Benchmark]: RCFGBuilder took 551.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:14,072 INFO L168 Benchmark]: CodeCheck took 243752.03 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -759.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-30 21:01:14,075 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 837 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 44.17 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 28.31 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 551.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 243752.03 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -759.9 MB). Peak memory consumption was 1.2 GB. 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-0-2018-09-30_21-01-14-086.csv Completed graceful shutdown