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/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:20:42,476 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:20:42,478 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:20:42,490 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:20:42,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:20:42,492 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:20:42,493 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:20:42,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:20:42,496 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:20:42,497 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:20:42,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:20:42,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:20:42,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:20:42,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:20:42,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:20:42,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:20:42,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:20:42,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:20:42,507 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:20:42,509 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:20:42,510 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:20:42,514 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:20:42,520 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:20:42,520 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:20:42,524 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:20:42,525 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:20:42,526 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:20:42,529 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:20:42,530 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:20:42,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:20:42,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:20:42,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:20:42,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:20:42,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:20:42,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:20:42,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:20:42,538 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 [2018-09-26 22:20:42,568 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:20:42,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:20:42,571 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:20:42,571 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:20:42,572 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:20:42,572 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:20:42,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:20:42,572 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:20:42,573 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:20:42,573 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:20:42,573 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:20:42,573 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:20:42,575 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:20:42,575 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:20:42,575 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:20:42,575 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:20:42,575 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:20:42,576 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:20:42,576 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:20:42,576 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:20:42,576 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:20:42,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:20:42,577 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:20:42,577 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:20:42,577 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:20:42,577 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:20:42,578 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:20:42,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:20:42,578 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:20:42,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:20:42,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:20:42,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:20:42,641 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:20:42,641 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:20:42,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-09-26 22:20:42,643 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-09-26 22:20:42,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:20:42,714 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:20:42,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:20:42,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:20:42,715 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:20:42,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:20:42,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:20:42,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:20:42,760 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:20:42,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (1/1) ... [2018-09-26 22:20:42,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:20:42,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:20:42,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:20:42,785 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:20:42,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:42" (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 [2018-09-26 22:20:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:20:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:20:43,190 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:20:43,191 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:20:43 BoogieIcfgContainer [2018-09-26 22:20:43,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:20:43,191 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:20:43,192 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:20:43,203 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:20:43,204 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:20:43" (1/1) ... [2018-09-26 22:20:43,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:20:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 22:20:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 22:20:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:20:43,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:43,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-26 22:20:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-26 22:20:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:20:43,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:44,395 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 13 [2018-09-26 22:20:44,692 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-09-26 22:20:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:44,904 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-09-26 22:20:45,484 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-26 22:20:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-09-26 22:20:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-09-26 22:20:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:20:46,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 14 states and 30 transitions. [2018-09-26 22:20:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 30 transitions. [2018-09-26 22:20:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:20:48,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2018-09-26 22:20:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2018-09-26 22:20:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:20:49,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:49,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:50,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2018-09-26 22:20:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2018-09-26 22:20:50,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:20:50,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2018-09-26 22:20:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2018-09-26 22:20:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:20:50,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:52,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:52,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 20 states and 44 transitions. [2018-09-26 22:20:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 44 transitions. [2018-09-26 22:20:52,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:20:52,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:53,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 21 states and 44 transitions. [2018-09-26 22:20:53,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 44 transitions. [2018-09-26 22:20:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:20:53,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:54,690 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-09-26 22:20:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2018-09-26 22:20:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2018-09-26 22:20:55,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:20:55,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:56,235 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-09-26 22:20:57,333 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-09-26 22:20:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 26 states and 56 transitions. [2018-09-26 22:20:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 56 transitions. [2018-09-26 22:20:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:20:57,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2018-09-26 22:20:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2018-09-26 22:20:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:20:59,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:00,255 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-26 22:21:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2018-09-26 22:21:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2018-09-26 22:21:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:21:00,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:02,801 WARN L178 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-09-26 22:21:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:04,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 31 states and 64 transitions. [2018-09-26 22:21:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 64 transitions. [2018-09-26 22:21:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:21:04,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:05,987 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-26 22:21:06,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 64 transitions. [2018-09-26 22:21:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 64 transitions. [2018-09-26 22:21:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:21:06,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:07,482 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-09-26 22:21:07,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-09-26 22:21:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-09-26 22:21:07,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:21:07,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:08,801 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-26 22:21:09,876 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-09-26 22:21:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 69 transitions. [2018-09-26 22:21:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2018-09-26 22:21:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:21:10,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:10,904 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-26 22:21:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-09-26 22:21:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-09-26 22:21:11,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:21:11,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:12,565 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-09-26 22:21:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2018-09-26 22:21:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2018-09-26 22:21:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:21:12,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:13,677 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-09-26 22:21:14,799 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2018-09-26 22:21:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-09-26 22:21:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-09-26 22:21:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:21:15,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:16,313 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2018-09-26 22:21:16,531 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-26 22:21:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2018-09-26 22:21:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2018-09-26 22:21:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:21:17,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:18,574 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-26 22:21:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2018-09-26 22:21:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2018-09-26 22:21:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:21:18,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:19,550 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-09-26 22:21:20,290 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-26 22:21:21,264 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-09-26 22:21:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-09-26 22:21:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-09-26 22:21:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:21:21,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:23,011 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-09-26 22:21:23,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:23,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2018-09-26 22:21:23,689 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2018-09-26 22:21:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:21:23,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:23,942 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:24,158 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2018-09-26 22:21:24,421 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-09-26 22:21:25,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:25,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2018-09-26 22:21:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2018-09-26 22:21:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:25,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:26,528 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-09-26 22:21:28,065 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2018-09-26 22:21:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2018-09-26 22:21:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2018-09-26 22:21:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:28,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:30,204 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-09-26 22:21:30,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:30,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2018-09-26 22:21:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2018-09-26 22:21:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:30,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:31,441 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2018-09-26 22:21:32,348 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-09-26 22:21:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2018-09-26 22:21:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2018-09-26 22:21:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:21:32,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:33,863 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:34,370 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-26 22:21:35,163 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:21:35,968 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-09-26 22:21:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 101 transitions. [2018-09-26 22:21:36,908 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2018-09-26 22:21:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:21:36,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:37,104 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:37,480 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-09-26 22:21:38,595 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-09-26 22:21:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2018-09-26 22:21:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2018-09-26 22:21:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:21:39,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:39,746 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-09-26 22:21:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2018-09-26 22:21:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2018-09-26 22:21:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:21:40,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:41,783 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-09-26 22:21:42,674 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 22:21:42,935 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2018-09-26 22:21:43,734 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2018-09-26 22:21:44,637 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-26 22:21:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2018-09-26 22:21:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2018-09-26 22:21:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:21:44,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:45,220 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2018-09-26 22:21:45,541 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-26 22:21:46,530 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:21:46,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2018-09-26 22:21:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2018-09-26 22:21:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:21:46,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:47,283 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-09-26 22:21:48,492 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-09-26 22:21:49,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2018-09-26 22:21:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2018-09-26 22:21:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:21:49,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:50,107 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2018-09-26 22:21:51,420 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-26 22:21:53,008 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2018-09-26 22:21:54,100 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 22:21:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 66 states and 120 transitions. [2018-09-26 22:21:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 120 transitions. [2018-09-26 22:21:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:21:54,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:54,984 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-09-26 22:21:56,014 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:21:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 67 states and 120 transitions. [2018-09-26 22:21:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 120 transitions. [2018-09-26 22:21:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:21:56,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:56,821 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-09-26 22:21:57,808 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 22:21:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 120 transitions. [2018-09-26 22:21:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2018-09-26 22:21:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:21:57,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:59,189 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2018-09-26 22:22:00,525 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-09-26 22:22:01,165 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 22:22:02,303 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2018-09-26 22:22:03,436 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-26 22:22:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2018-09-26 22:22:03,496 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2018-09-26 22:22:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:22:03,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:04,424 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-09-26 22:22:05,562 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:22:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2018-09-26 22:22:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2018-09-26 22:22:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:22:05,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:06,151 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2018-09-26 22:22:06,526 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-09-26 22:22:07,710 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:22:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:07,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2018-09-26 22:22:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2018-09-26 22:22:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:22:07,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:09,216 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2018-09-26 22:22:10,747 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-09-26 22:22:11,445 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:22:12,646 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 132 [2018-09-26 22:22:13,934 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-26 22:22:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 76 states and 136 transitions. [2018-09-26 22:22:14,003 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 136 transitions. [2018-09-26 22:22:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:22:14,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:15,113 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-09-26 22:22:16,376 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 22:22:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 77 states and 136 transitions. [2018-09-26 22:22:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2018-09-26 22:22:16,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:22:16,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:17,037 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 31 [2018-09-26 22:22:17,478 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-09-26 22:22:18,665 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:22:18,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:18,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 78 states and 136 transitions. [2018-09-26 22:22:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 136 transitions. [2018-09-26 22:22:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:22:18,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:20,155 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2018-09-26 22:22:21,211 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 22:22:21,845 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-09-26 22:22:22,654 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:22:23,956 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2018-09-26 22:22:25,371 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 22:22:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 81 states and 144 transitions. [2018-09-26 22:22:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 144 transitions. [2018-09-26 22:22:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:22:25,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:26,608 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-09-26 22:22:27,959 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 22:22:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 82 states and 144 transitions. [2018-09-26 22:22:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 144 transitions. [2018-09-26 22:22:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:22:28,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:28,543 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 31 [2018-09-26 22:22:29,004 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-09-26 22:22:30,370 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 22:22:30,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 144 transitions. [2018-09-26 22:22:30,413 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2018-09-26 22:22:30,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:22:30,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:31,876 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2018-09-26 22:22:33,069 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 22:22:33,760 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-09-26 22:22:34,715 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 22:22:36,154 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2018-09-26 22:22:37,628 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-26 22:22:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 86 states and 152 transitions. [2018-09-26 22:22:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 152 transitions. [2018-09-26 22:22:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:22:37,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:38,702 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-09-26 22:22:40,206 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-26 22:22:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 87 states and 152 transitions. [2018-09-26 22:22:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2018-09-26 22:22:40,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:22:40,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:40,878 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 31 [2018-09-26 22:22:41,390 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-09-26 22:22:42,795 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 22:22:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 88 states and 152 transitions. [2018-09-26 22:22:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2018-09-26 22:22:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:22:42,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:44,445 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-09-26 22:22:46,028 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 22:22:47,513 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2018-09-26 22:22:49,101 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-26 22:22:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:49,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 90 states and 157 transitions. [2018-09-26 22:22:49,173 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 157 transitions. [2018-09-26 22:22:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:22:49,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:50,211 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2018-09-26 22:22:51,477 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-09-26 22:22:52,217 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-09-26 22:22:53,185 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 22:22:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2018-09-26 22:22:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2018-09-26 22:22:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:22:53,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:53,702 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 31 [2018-09-26 22:22:54,210 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-09-26 22:22:55,844 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-26 22:22:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:55,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 93 states and 160 transitions. [2018-09-26 22:22:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 160 transitions. [2018-09-26 22:22:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:22:55,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:57,595 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-09-26 22:22:59,217 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 22:23:00,925 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2018-09-26 22:23:02,698 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-26 22:23:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 95 states and 165 transitions. [2018-09-26 22:23:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2018-09-26 22:23:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:23:02,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:03,485 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 31 [2018-09-26 22:23:04,033 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-09-26 22:23:05,727 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 22:23:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 96 states and 165 transitions. [2018-09-26 22:23:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 165 transitions. [2018-09-26 22:23:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:23:05,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:06,685 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2018-09-26 22:23:08,090 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 22:23:08,924 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-09-26 22:23:10,053 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-26 22:23:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 98 states and 168 transitions. [2018-09-26 22:23:10,114 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 168 transitions. [2018-09-26 22:23:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:23:10,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:13,031 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-09-26 22:23:14,812 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 22:23:16,671 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 172 [2018-09-26 22:23:18,642 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-26 22:23:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 100 states and 173 transitions. [2018-09-26 22:23:18,716 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 173 transitions. [2018-09-26 22:23:18,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:23:18,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:19,280 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2018-09-26 22:23:19,864 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-09-26 22:23:21,720 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 22:23:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 173 transitions. [2018-09-26 22:23:21,767 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 173 transitions. [2018-09-26 22:23:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:23:21,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:22,785 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2018-09-26 22:23:24,370 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 22:23:25,264 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-09-26 22:23:26,470 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 22:23:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 176 transitions. [2018-09-26 22:23:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 176 transitions. [2018-09-26 22:23:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:23:26,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:28,964 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-09-26 22:23:30,973 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-26 22:23:32,837 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 180 [2018-09-26 22:23:34,895 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-09-26 22:23:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 181 transitions. [2018-09-26 22:23:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 181 transitions. [2018-09-26 22:23:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:23:34,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:36,152 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 31 [2018-09-26 22:23:36,799 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-09-26 22:23:38,744 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 22:23:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:38,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 106 states and 181 transitions. [2018-09-26 22:23:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 181 transitions. [2018-09-26 22:23:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:23:38,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:40,397 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2018-09-26 22:23:42,200 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-26 22:23:43,189 WARN L178 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-09-26 22:23:44,478 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 22:23:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 184 transitions. [2018-09-26 22:23:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-09-26 22:23:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:23:44,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:47,027 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2018-09-26 22:23:48,797 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 22:23:49,777 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-09-26 22:23:51,093 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 22:23:51,581 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 31 [2018-09-26 22:23:53,088 WARN L178 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2018-09-26 22:23:55,243 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-09-26 22:23:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 192 transitions. [2018-09-26 22:23:55,317 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2018-09-26 22:23:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:23:55,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:56,527 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 31 [2018-09-26 22:23:57,249 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-09-26 22:23:59,310 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-09-26 22:23:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:59,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 192 transitions. [2018-09-26 22:23:59,356 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2018-09-26 22:23:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:23:59,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:00,488 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 31 [2018-09-26 22:24:01,130 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-09-26 22:24:03,237 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-26 22:24:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 192 transitions. [2018-09-26 22:24:03,289 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2018-09-26 22:24:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:24:03,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:05,841 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 178 [2018-09-26 22:24:07,709 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-09-26 22:24:08,791 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-09-26 22:24:10,289 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-26 22:24:10,818 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 31 [2018-09-26 22:24:12,500 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2018-09-26 22:24:14,781 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-26 22:24:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2018-09-26 22:24:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2018-09-26 22:24:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:24:14,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:16,161 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 31 [2018-09-26 22:24:16,983 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2018-09-26 22:24:19,222 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-26 22:24:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 200 transitions. [2018-09-26 22:24:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 200 transitions. [2018-09-26 22:24:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:24:19,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:20,480 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 31 [2018-09-26 22:24:21,203 WARN L178 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-09-26 22:24:23,479 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-09-26 22:24:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:23,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2018-09-26 22:24:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2018-09-26 22:24:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:24:23,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:26,191 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2018-09-26 22:24:28,213 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-09-26 22:24:29,330 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-09-26 22:24:30,834 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-09-26 22:24:31,354 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 31 [2018-09-26 22:24:33,119 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 204 [2018-09-26 22:24:35,595 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-26 22:24:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 121 states and 208 transitions. [2018-09-26 22:24:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 208 transitions. [2018-09-26 22:24:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:24:35,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:36,950 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2018-09-26 22:24:37,779 WARN L178 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2018-09-26 22:24:40,137 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-09-26 22:24:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2018-09-26 22:24:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2018-09-26 22:24:40,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:24:40,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:41,401 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 31 [2018-09-26 22:24:42,153 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2018-09-26 22:24:44,617 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-26 22:24:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 123 states and 208 transitions. [2018-09-26 22:24:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2018-09-26 22:24:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:24:44,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:46,935 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 29 [2018-09-26 22:24:47,653 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2018-09-26 22:24:49,826 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-09-26 22:24:51,148 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2018-09-26 22:24:52,919 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-26 22:24:53,520 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 31 [2018-09-26 22:24:55,366 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2018-09-26 22:24:58,014 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-26 22:24:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 126 states and 216 transitions. [2018-09-26 22:24:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2018-09-26 22:24:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:24:58,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-26 22:24:59,199 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-26 22:24:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:59,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:24:59,643 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-26 22:24:59,643 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:24:59,645 INFO L168 Benchmark]: Toolchain (without parser) took 256934.36 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -33.0 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 138.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2018-09-26 22:24:59,646 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-09-26 22:24:59,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.16 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. [2018-09-26 22:24:59,647 INFO L168 Benchmark]: Boogie Preprocessor took 24.09 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. [2018-09-26 22:24:59,647 INFO L168 Benchmark]: RCFGBuilder took 406.27 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. [2018-09-26 22:24:59,650 INFO L168 Benchmark]: CodeCheck took 256453.29 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -33.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 117.7 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-09-26 22:24:59,654 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 TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 45.16 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 24.09 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 406.27 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 256453.29 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -33.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 117.7 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/linear_sea.ch.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-24-59-664.csv Completed graceful shutdown