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/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 22:08:42,076 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 22:08:42,078 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 22:08:42,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 22:08:42,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 22:08:42,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 22:08:42,100 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 22:08:42,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 22:08:42,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 22:08:42,106 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 22:08:42,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 22:08:42,107 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 22:08:42,108 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 22:08:42,109 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 22:08:42,110 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 22:08:42,111 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 22:08:42,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 22:08:42,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 22:08:42,122 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 22:08:42,124 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 22:08:42,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 22:08:42,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 22:08:42,131 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 22:08:42,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 22:08:42,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 22:08:42,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 22:08:42,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 22:08:42,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 22:08:42,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 22:08:42,144 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 22:08:42,145 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 22:08:42,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 22:08:42,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 22:08:42,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 22:08:42,151 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 22:08:42,152 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 22:08:42,152 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 [2018-09-23 22:08:42,182 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 22:08:42,182 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 22:08:42,183 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 22:08:42,183 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 22:08:42,184 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 22:08:42,184 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 22:08:42,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 22:08:42,187 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 22:08:42,187 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 22:08:42,188 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 22:08:42,188 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 22:08:42,188 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 22:08:42,188 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 22:08:42,188 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 22:08:42,189 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 22:08:42,189 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 22:08:42,189 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 22:08:42,189 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 22:08:42,190 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 22:08:42,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 22:08:42,190 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 22:08:42,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:08:42,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 22:08:42,191 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 22:08:42,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 22:08:42,191 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 22:08:42,192 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 22:08:42,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 22:08:42,192 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 22:08:42,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 22:08:42,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 22:08:42,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 22:08:42,290 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 22:08:42,291 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 22:08:42,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-09-23 22:08:42,293 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-09-23 22:08:42,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 22:08:42,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 22:08:42,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 22:08:42,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 22:08:42,355 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 22:08:42,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,395 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-23 22:08:42,396 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-23 22:08:42,396 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-23 22:08:42,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 22:08:42,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 22:08:42,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 22:08:42,400 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 22:08:42,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 22:08:42,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 22:08:42,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 22:08:42,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 22:08:42,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:08:42" (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 [2018-09-23 22:08:42,504 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-09-23 22:08:42,504 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-09-23 22:08:42,640 INFO L351 CfgBuilder]: Using library mode [2018-09-23 22:08:42,640 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:08:42 BoogieIcfgContainer [2018-09-23 22:08:42,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 22:08:42,641 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 22:08:42,641 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 22:08:42,653 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 22:08:42,653 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:08:42" (1/1) ... [2018-09-23 22:08:42,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 22:08:42,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-23 22:08:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-23 22:08:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-23 22:08:42,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-23 22:08:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-23 22:08:43,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-23 22:08:43,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-09-23 22:08:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-09-23 22:08:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 22:08:43,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-23 22:08:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-23 22:08:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:08:43,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:44,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-09-23 22:08:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-09-23 22:08:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 22:08:44,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:44,726 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-23 22:08:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-23 22:08:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-23 22:08:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 22:08:44,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-23 22:08:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-23 22:08:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 22:08:45,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-09-23 22:08:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-09-23 22:08:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 22:08:45,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:46,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-09-23 22:08:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-09-23 22:08:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:08:46,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-09-23 22:08:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-09-23 22:08:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-23 22:08:46,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-09-23 22:08:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-09-23 22:08:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:08:47,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-23 22:08:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-23 22:08:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 22:08:47,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:48,028 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-09-23 22:08:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-09-23 22:08:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-09-23 22:08:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:08:48,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-09-23 22:08:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-09-23 22:08:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 22:08:48,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:49,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:49,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-09-23 22:08:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-09-23 22:08:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:08:49,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-09-23 22:08:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-09-23 22:08:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 22:08:49,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:49,813 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-09-23 22:08:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-09-23 22:08:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:08:50,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:50,680 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-09-23 22:08:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-09-23 22:08:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-09-23 22:08:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 22:08:50,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:51,615 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-23 22:08:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-09-23 22:08:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-09-23 22:08:51,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:08:51,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:52,111 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-09-23 22:08:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-09-23 22:08:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-09-23 22:08:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-23 22:08:52,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:53,885 WARN L178 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-09-23 22:08:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-09-23 22:08:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-09-23 22:08:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:08:53,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:54,536 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-23 22:08:54,837 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-23 22:08:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:54,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-09-23 22:08:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-09-23 22:08:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-23 22:08:54,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:56,024 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-23 22:08:56,982 WARN L178 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-23 22:08:57,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-09-23 22:08:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-09-23 22:08:57,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:08:57,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:57,815 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-23 22:08:58,659 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-09-23 22:08:58,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-09-23 22:08:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-09-23 22:08:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-23 22:08:58,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:59,300 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-23 22:08:59,709 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-23 22:08:59,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-09-23 22:08:59,732 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-09-23 22:08:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:08:59,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:00,253 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-23 22:09:00,643 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-23 22:09:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-09-23 22:09:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-09-23 22:09:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-23 22:09:00,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:01,392 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-23 22:09:01,877 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-23 22:09:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-09-23 22:09:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-09-23 22:09:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:09:01,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:02,679 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-23 22:09:03,105 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-23 22:09:03,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-09-23 22:09:03,136 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-09-23 22:09:03,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-23 22:09:03,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:03,876 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-23 22:09:04,709 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-23 22:09:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-09-23 22:09:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-09-23 22:09:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:09:04,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:06,031 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:06,791 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-23 22:09:07,691 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-09-23 22:09:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-09-23 22:09:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-09-23 22:09:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-23 22:09:07,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:08,990 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-23 22:09:09,520 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-23 22:09:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-09-23 22:09:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-09-23 22:09:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:09:09,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:10,322 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-23 22:09:10,855 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-23 22:09:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-09-23 22:09:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-09-23 22:09:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-23 22:09:10,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:11,587 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-23 22:09:12,518 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-23 22:09:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-09-23 22:09:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-09-23 22:09:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:09:12,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:13,340 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-09-23 22:09:13,934 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-09-23 22:09:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-09-23 22:09:13,967 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-09-23 22:09:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-23 22:09:13,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:14,247 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:14,763 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-09-23 22:09:15,401 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-23 22:09:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-09-23 22:09:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-09-23 22:09:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:09:15,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:16,290 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-23 22:09:16,963 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-23 22:09:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:16,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-09-23 22:09:16,993 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-09-23 22:09:16,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-23 22:09:16,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:18,013 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-09-23 22:09:18,693 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-23 22:09:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:18,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-09-23 22:09:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-09-23 22:09:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:09:18,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:19,635 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-09-23 22:09:20,328 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-23 22:09:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-09-23 22:09:20,372 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-09-23 22:09:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-23 22:09:20,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:21,727 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-23 22:09:22,567 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-09-23 22:09:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-09-23 22:09:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-09-23 22:09:22,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:09:22,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:23,561 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-23 22:09:24,334 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-23 22:09:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-09-23 22:09:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-09-23 22:09:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-23 22:09:24,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:25,325 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-23 22:09:26,118 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-23 22:09:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-09-23 22:09:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-09-23 22:09:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:09:26,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:27,179 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-23 22:09:28,049 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-09-23 22:09:28,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-09-23 22:09:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-09-23 22:09:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-23 22:09:28,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:29,113 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-23 22:09:29,967 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-23 22:09:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-09-23 22:09:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-09-23 22:09:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:09:29,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:31,073 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-23 22:09:31,965 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-23 22:09:31,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-09-23 22:09:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-09-23 22:09:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-23 22:09:31,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:33,136 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-09-23 22:09:34,074 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-09-23 22:09:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-09-23 22:09:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-09-23 22:09:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:09:34,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:35,224 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-23 22:09:36,228 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-23 22:09:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-09-23 22:09:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-09-23 22:09:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-23 22:09:36,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:38,681 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-23 22:09:39,684 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-23 22:09:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-09-23 22:09:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-09-23 22:09:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:09:39,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:41,011 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-09-23 22:09:42,077 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-09-23 22:09:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-09-23 22:09:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-09-23 22:09:42,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-23 22:09:42,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:43,359 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-09-23 22:09:44,416 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-23 22:09:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:44,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-09-23 22:09:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-09-23 22:09:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:09:44,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:45,740 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-23 22:09:46,879 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-09-23 22:09:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:46,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-09-23 22:09:46,913 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-09-23 22:09:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-23 22:09:46,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:47,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:48,279 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-23 22:09:49,441 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-23 22:09:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-09-23 22:09:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-09-23 22:09:49,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:09:49,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:51,456 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-09-23 22:09:52,629 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-09-23 22:09:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-09-23 22:09:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-09-23 22:09:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-23 22:09:52,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:54,255 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-09-23 22:09:55,497 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-23 22:09:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-09-23 22:09:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-09-23 22:09:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:09:55,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:56,968 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-23 22:09:58,326 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-23 22:09:58,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:09:58,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-09-23 22:09:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-09-23 22:09:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-23 22:09:58,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:09:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:09:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:09:59,895 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-09-23 22:10:01,289 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-23 22:10:01,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-09-23 22:10:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-09-23 22:10:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:10:01,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:02,755 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-09-23 22:10:04,192 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-09-23 22:10:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-09-23 22:10:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-09-23 22:10:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-23 22:10:04,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:06,270 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-23 22:10:07,682 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-23 22:10:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-09-23 22:10:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-09-23 22:10:07,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 22:10:07,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:09,512 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-23 22:10:10,944 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-23 22:10:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-09-23 22:10:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-09-23 22:10:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-23 22:10:10,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:12,545 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-09-23 22:10:14,063 WARN L178 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-09-23 22:10:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-09-23 22:10:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-09-23 22:10:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 22:10:14,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:15,738 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-23 22:10:17,294 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-09-23 22:10:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-09-23 22:10:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-09-23 22:10:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-23 22:10:17,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:19,081 WARN L178 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-23 22:10:20,651 WARN L178 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-23 22:10:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-09-23 22:10:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-09-23 22:10:20,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-23 22:10:20,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:22,403 WARN L178 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-23 22:10:24,138 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-23 22:10:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-09-23 22:10:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-09-23 22:10:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-23 22:10:24,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:25,932 WARN L178 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-09-23 22:10:27,587 WARN L178 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-09-23 22:10:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-09-23 22:10:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-09-23 22:10:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 22:10:27,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:29,520 WARN L178 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-09-23 22:10:31,224 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-09-23 22:10:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-09-23 22:10:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-09-23 22:10:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-23 22:10:31,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:36,931 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-23 22:10:38,670 WARN L178 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-23 22:10:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-09-23 22:10:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-09-23 22:10:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-23 22:10:38,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:40,672 WARN L178 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-09-23 22:10:42,490 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-23 22:10:42,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-09-23 22:10:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-09-23 22:10:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-23 22:10:42,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:44,640 WARN L178 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-09-23 22:10:46,485 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-09-23 22:10:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:46,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-09-23 22:10:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-09-23 22:10:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-23 22:10:46,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:48,800 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-09-23 22:10:50,739 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-09-23 22:10:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-09-23 22:10:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-09-23 22:10:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-23 22:10:50,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:51,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:52,732 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-23 22:10:54,816 WARN L178 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-23 22:10:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:54,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-09-23 22:10:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-09-23 22:10:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-23 22:10:54,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:10:56,868 WARN L178 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-09-23 22:10:58,876 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-09-23 22:10:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:10:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-09-23 22:10:58,918 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-09-23 22:10:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-23 22:10:58,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:10:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:10:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:01,222 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-09-23 22:11:03,259 WARN L178 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-09-23 22:11:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-09-23 22:11:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-09-23 22:11:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-23 22:11:03,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:05,466 WARN L178 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-23 22:11:07,552 WARN L178 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-09-23 22:11:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-09-23 22:11:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-09-23 22:11:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-23 22:11:07,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:10,030 WARN L178 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-09-23 22:11:12,161 WARN L178 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-23 22:11:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-09-23 22:11:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-09-23 22:11:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-23 22:11:12,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:15,278 WARN L178 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-09-23 22:11:17,479 WARN L178 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-09-23 22:11:17,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-09-23 22:11:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-09-23 22:11:17,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-23 22:11:17,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:20,743 WARN L178 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-09-23 22:11:23,011 WARN L178 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-09-23 22:11:23,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-09-23 22:11:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-09-23 22:11:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-23 22:11:23,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:27,050 WARN L178 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-23 22:11:29,366 WARN L178 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-09-23 22:11:29,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-09-23 22:11:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-09-23 22:11:29,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-23 22:11:29,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:31,892 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-09-23 22:11:34,268 WARN L178 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-23 22:11:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-09-23 22:11:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-09-23 22:11:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-23 22:11:34,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:37,838 WARN L178 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-09-23 22:11:40,271 WARN L178 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-09-23 22:11:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-09-23 22:11:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-09-23 22:11:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-23 22:11:40,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:42,995 WARN L178 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-09-23 22:11:45,481 WARN L178 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-09-23 22:11:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-09-23 22:11:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-09-23 22:11:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-23 22:11:45,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:48,380 WARN L178 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-09-23 22:11:51,004 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-09-23 22:11:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-09-23 22:11:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-09-23 22:11:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-23 22:11:51,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:53,732 WARN L178 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-09-23 22:11:56,430 WARN L178 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-09-23 22:11:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:11:56,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-09-23 22:11:56,473 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-09-23 22:11:56,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-23 22:11:56,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:11:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:11:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:11:59,217 WARN L178 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-23 22:12:01,871 WARN L178 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-09-23 22:12:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-09-23 22:12:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-09-23 22:12:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-23 22:12:01,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:04,656 WARN L178 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-09-23 22:12:07,348 WARN L178 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-09-23 22:12:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-09-23 22:12:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-09-23 22:12:07,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-23 22:12:07,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:10,360 WARN L178 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-09-23 22:12:13,180 WARN L178 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-09-23 22:12:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-09-23 22:12:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-09-23 22:12:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-23 22:12:13,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:16,381 WARN L178 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-09-23 22:12:19,255 WARN L178 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-23 22:12:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-09-23 22:12:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-09-23 22:12:19,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-23 22:12:19,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:22,617 WARN L178 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-09-23 22:12:25,594 WARN L178 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-09-23 22:12:25,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-09-23 22:12:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-09-23 22:12:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-23 22:12:25,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:29,032 WARN L178 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-09-23 22:12:32,175 WARN L178 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-09-23 22:12:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-09-23 22:12:32,227 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-09-23 22:12:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-23 22:12:32,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:35,344 WARN L178 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-09-23 22:12:38,446 WARN L178 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-09-23 22:12:38,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:38,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-09-23 22:12:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-09-23 22:12:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-23 22:12:38,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:41,646 WARN L178 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-09-23 22:12:44,806 WARN L178 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-09-23 22:12:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-09-23 22:12:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-09-23 22:12:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-23 22:12:44,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:48,096 WARN L178 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-09-23 22:12:51,303 WARN L178 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-09-23 22:12:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:12:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-09-23 22:12:51,352 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-09-23 22:12:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-23 22:12:51,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:12:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:12:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:12:54,795 WARN L178 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 452 Received shutdown request... [2018-09-23 22:12:56,437 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 22:12:56,440 INFO L168 Benchmark]: Toolchain (without parser) took 254088.99 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -128.5 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 455.7 MB). Peak memory consumption was 327.3 MB. Max. memory is 7.1 GB. [2018-09-23 22:12:56,441 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 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. [2018-09-23 22:12:56,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:12:56,442 INFO L168 Benchmark]: Boogie Preprocessor took 23.54 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. [2018-09-23 22:12:56,442 INFO L168 Benchmark]: RCFGBuilder took 217.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-23 22:12:56,442 INFO L168 Benchmark]: CodeCheck took 253798.26 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -128.5 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 434.6 MB). Peak memory consumption was 306.1 MB. Max. memory is 7.1 GB. [2018-09-23 22:12:56,445 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 359 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.54 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 217.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 253798.26 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -128.5 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 434.6 MB). Peak memory consumption was 306.1 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/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_22-12-56-455.csv Completed graceful shutdown