java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:41:11,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:41:11,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:41:11,365 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:41:11,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:41:11,367 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:41:11,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:41:11,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:41:11,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:41:11,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:41:11,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:41:11,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:41:11,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:41:11,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:41:11,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:41:11,377 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:41:11,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:41:11,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:41:11,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:41:11,384 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:41:11,385 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:41:11,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:41:11,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:41:11,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:41:11,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:41:11,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:41:11,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:41:11,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:41:11,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:41:11,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:41:11,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:41:11,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:41:11,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:41:11,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:41:11,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:41:11,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:41:11,398 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 21:41:11,413 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:41:11,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:41:11,414 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:41:11,414 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:41:11,417 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:41:11,417 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:41:11,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:41:11,418 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:41:11,418 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:41:11,419 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:41:11,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:41:11,420 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:41:11,420 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:41:11,420 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:41:11,420 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:41:11,420 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:41:11,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:41:11,421 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:41:11,421 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:41:11,421 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:41:11,422 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:41:11,422 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:41:11,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:41:11,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:41:11,424 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:41:11,424 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:41:11,424 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:41:11,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:41:11,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:41:11,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:41:11,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:41:11,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:41:11,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:41:11,513 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:41:11,515 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:41:11,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl [2018-09-30 21:41:11,516 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl' [2018-09-30 21:41:11,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:41:11,581 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:41:11,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:41:11,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:41:11,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:41:11,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:41:11,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:41:11,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:41:11,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:41:11,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:41:11,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:41:11,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:41:11,650 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:41:11,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:41:11" (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 21:41:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:41:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:41:11,968 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:41:11,968 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:41:11 BoogieIcfgContainer [2018-09-30 21:41:11,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:41:11,969 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:41:11,969 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:41:11,979 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:41:11,979 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:41:11" (1/1) ... [2018-09-30 21:41:11,992 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:41:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 21:41:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 21:41:12,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:12,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:12,219 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 21:41:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 21:41:12,687 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 21:41:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:41:12,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-30 21:41:13,545 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-30 21:41:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:41:13,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:13,755 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 21:41:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-30 21:41:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-30 21:41:14,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:41:14,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-30 21:41:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-30 21:41:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:41:15,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-30 21:41:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-30 21:41:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:41:15,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-30 21:41:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-30 21:41:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:41:16,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-30 21:41:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-30 21:41:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:41:17,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-30 21:41:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-30 21:41:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:41:19,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:20,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-30 21:41:20,532 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-30 21:41:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:41:20,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-30 21:41:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-30 21:41:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:41:21,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:22,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:22,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-30 21:41:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-30 21:41:22,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:41:22,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-30 21:41:23,362 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-30 21:41:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:41:23,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:24,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-30 21:41:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-30 21:41:24,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:41:24,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-30 21:41:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-30 21:41:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:41:24,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:25,121 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 21:41:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-30 21:41:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-30 21:41:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:41:25,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-30 21:41:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-30 21:41:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:41:26,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-30 21:41:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-30 21:41:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:41:28,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-30 21:41:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-30 21:41:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:41:30,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:32,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-30 21:41:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-30 21:41:32,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:41:32,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:33,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-30 21:41:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-30 21:41:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:41:33,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-30 21:41:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-30 21:41:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:41:35,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-30 21:41:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-30 21:41:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:41:36,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-30 21:41:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-30 21:41:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:41:37,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-30 21:41:39,471 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-30 21:41:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:41:39,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-30 21:41:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-30 21:41:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:41:40,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-30 21:41:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-30 21:41:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:41:42,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:44,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-30 21:41:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-30 21:41:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:41:44,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-09-30 21:41:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-09-30 21:41:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:41:46,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:48,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-09-30 21:41:48,604 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-09-30 21:41:48,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:41:48,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-09-30 21:41:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-09-30 21:41:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:41:50,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-09-30 21:41:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-09-30 21:41:52,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:41:52,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-09-30 21:41:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-09-30 21:41:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:41:54,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-09-30 21:41:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-09-30 21:41:56,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:41:56,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-09-30 21:41:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-09-30 21:41:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:41:58,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-09-30 21:42:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-09-30 21:42:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:42:01,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-09-30 21:42:03,969 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-09-30 21:42:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:42:03,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-09-30 21:42:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-09-30 21:42:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:42:06,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-09-30 21:42:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-09-30 21:42:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:42:09,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:11,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-09-30 21:42:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-09-30 21:42:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:42:11,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-09-30 21:42:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-09-30 21:42:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:42:14,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:17,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:17,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-09-30 21:42:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-09-30 21:42:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:42:17,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-09-30 21:42:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-09-30 21:42:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:42:20,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-09-30 21:42:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-09-30 21:42:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:42:24,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:27,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-09-30 21:42:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-09-30 21:42:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:42:27,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-09-30 21:42:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-09-30 21:42:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:42:31,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-09-30 21:42:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-09-30 21:42:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:42:35,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-09-30 21:42:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-09-30 21:42:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:42:40,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-09-30 21:42:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-09-30 21:42:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 21:42:47,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-09-30 21:42:51,602 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-09-30 21:42:51,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:42:51,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:42:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:42:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-09-30 21:42:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-09-30 21:42:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 21:42:55,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:42:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:42:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-09-30 21:43:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-09-30 21:43:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 21:43:00,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:00,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-09-30 21:43:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-09-30 21:43:04,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 21:43:04,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-09-30 21:43:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-09-30 21:43:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-30 21:43:08,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-09-30 21:43:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-09-30 21:43:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-30 21:43:14,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 115 states and 116 transitions. [2018-09-30 21:43:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-09-30 21:43:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-30 21:43:20,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 117 states and 118 transitions. [2018-09-30 21:43:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-09-30 21:43:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-30 21:43:25,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-09-30 21:43:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-09-30 21:43:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-30 21:43:30,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:36,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 121 states and 122 transitions. [2018-09-30 21:43:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-09-30 21:43:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-30 21:43:36,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:42,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 123 states and 124 transitions. [2018-09-30 21:43:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-09-30 21:43:42,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-30 21:43:42,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:47,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-09-30 21:43:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-09-30 21:43:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-30 21:43:47,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 127 states and 128 transitions. [2018-09-30 21:43:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-09-30 21:43:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-30 21:43:53,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:43:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:43:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:43:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:43:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 129 states and 130 transitions. [2018-09-30 21:43:59,850 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-09-30 21:43:59,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-30 21:43:59,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:44:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:44:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-09-30 21:44:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-09-30 21:44:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-30 21:44:06,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:44:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:44:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 133 states and 134 transitions. [2018-09-30 21:44:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-09-30 21:44:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-30 21:44:12,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:44:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:44:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 135 states and 136 transitions. [2018-09-30 21:44:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-09-30 21:44:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-30 21:44:19,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:44:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:44:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-09-30 21:44:26,311 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-09-30 21:44:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-30 21:44:26,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:44:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:44:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 139 states and 140 transitions. [2018-09-30 21:44:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-09-30 21:44:33,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-30 21:44:33,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:44:40,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:44:40,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 141 states and 142 transitions. [2018-09-30 21:44:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-09-30 21:44:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-30 21:44:40,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:44:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:44:48,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-09-30 21:44:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-09-30 21:44:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-30 21:44:48,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:44:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:44:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 145 states and 146 transitions. [2018-09-30 21:44:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-09-30 21:44:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-30 21:44:56,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:44:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:44:56,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:04,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 147 states and 148 transitions. [2018-09-30 21:45:04,192 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-09-30 21:45:04,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-30 21:45:04,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:12,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-09-30 21:45:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-09-30 21:45:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-30 21:45:12,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 151 states and 152 transitions. [2018-09-30 21:45:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-09-30 21:45:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-30 21:45:21,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:45:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 153 states and 154 transitions. [2018-09-30 21:45:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-09-30 21:45:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-30 21:45:30,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown