java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 02:05:31,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 02:05:31,080 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 02:05:31,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 02:05:31,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 02:05:31,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 02:05:31,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 02:05:31,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 02:05:31,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 02:05:31,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 02:05:31,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 02:05:31,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 02:05:31,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 02:05:31,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 02:05:31,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 02:05:31,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 02:05:31,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 02:05:31,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 02:05:31,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 02:05:31,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 02:05:31,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 02:05:31,114 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 02:05:31,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 02:05:31,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 02:05:31,117 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 02:05:31,118 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 02:05:31,119 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 02:05:31,119 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 02:05:31,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 02:05:31,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 02:05:31,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 02:05:31,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 02:05:31,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 02:05:31,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 02:05:31,123 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 02:05:31,124 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 02:05:31,124 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 02:05:31,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 02:05:31,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 02:05:31,144 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 02:05:31,144 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 02:05:31,145 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 02:05:31,145 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 02:05:31,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 02:05:31,149 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 02:05:31,149 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 02:05:31,149 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 02:05:31,149 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 02:05:31,150 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 02:05:31,150 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 02:05:31,150 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 02:05:31,150 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 02:05:31,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 02:05:31,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 02:05:31,151 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 02:05:31,151 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 02:05:31,152 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 02:05:31,152 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 02:05:31,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:05:31,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 02:05:31,153 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 02:05:31,153 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 02:05:31,153 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 02:05:31,153 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 02:05:31,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 02:05:31,154 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 02:05:31,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 02:05:31,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 02:05:31,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 02:05:31,248 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 02:05:31,248 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 02:05:31,249 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2018-10-01 02:05:31,249 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2018-10-01 02:05:31,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 02:05:31,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 02:05:31,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 02:05:31,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 02:05:31,305 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 02:05:31,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 02:05:31,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 02:05:31,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 02:05:31,354 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 02:05:31,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 02:05:31,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 02:05:31,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 02:05:31,381 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 02:05:31,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:05:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:05:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 02:05:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 02:05:31,773 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 02:05:31,774 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:05:31 BoogieIcfgContainer [2018-10-01 02:05:31,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 02:05:31,775 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 02:05:31,775 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 02:05:31,789 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 02:05:31,789 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:05:31" (1/1) ... [2018-10-01 02:05:31,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 02:05:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-01 02:05:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-01 02:05:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 02:05:31,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-10-01 02:05:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-10-01 02:05:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 02:05:32,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:33,101 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-01 02:05:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-01 02:05:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-01 02:05:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:05:33,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:33,902 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-01 02:05:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-10-01 02:05:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-10-01 02:05:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 02:05:34,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-10-01 02:05:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-10-01 02:05:35,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:05:35,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:36,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-10-01 02:05:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-10-01 02:05:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:05:36,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-10-01 02:05:37,654 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-10-01 02:05:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:05:37,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:38,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:38,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-10-01 02:05:38,570 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-10-01 02:05:38,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:05:38,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:40,020 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-01 02:05:40,966 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-01 02:05:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-10-01 02:05:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-10-01 02:05:41,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:05:41,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-10-01 02:05:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-10-01 02:05:41,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:05:41,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-10-01 02:05:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-10-01 02:05:43,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:05:43,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:43,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-10-01 02:05:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-10-01 02:05:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:05:43,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:44,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 100 transitions. [2018-10-01 02:05:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 100 transitions. [2018-10-01 02:05:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:05:44,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2018-10-01 02:05:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2018-10-01 02:05:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:05:46,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:46,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 117 transitions. [2018-10-01 02:05:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2018-10-01 02:05:46,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:05:46,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-10-01 02:05:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-10-01 02:05:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:05:47,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2018-10-01 02:05:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2018-10-01 02:05:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:05:49,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 132 transitions. [2018-10-01 02:05:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2018-10-01 02:05:50,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:05:50,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:51,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 83 states and 139 transitions. [2018-10-01 02:05:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 139 transitions. [2018-10-01 02:05:51,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:05:51,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 85 states and 141 transitions. [2018-10-01 02:05:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2018-10-01 02:05:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:05:52,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:53,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2018-10-01 02:05:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2018-10-01 02:05:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:05:53,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2018-10-01 02:05:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2018-10-01 02:05:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:05:54,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2018-10-01 02:05:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2018-10-01 02:05:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:05:58,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2018-10-01 02:05:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2018-10-01 02:05:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:05:58,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2018-10-01 02:06:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2018-10-01 02:06:01,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:06:01,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 187 transitions. [2018-10-01 02:06:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2018-10-01 02:06:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:06:03,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2018-10-01 02:06:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2018-10-01 02:06:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:06:04,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 195 transitions. [2018-10-01 02:06:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-10-01 02:06:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:06:05,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2018-10-01 02:06:09,158 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-10-01 02:06:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:06:09,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:09,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 127 states and 212 transitions. [2018-10-01 02:06:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2018-10-01 02:06:09,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:06:09,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2018-10-01 02:06:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2018-10-01 02:06:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:06:12,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:14,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 227 transitions. [2018-10-01 02:06:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-10-01 02:06:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:06:14,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:16,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2018-10-01 02:06:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2018-10-01 02:06:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:06:16,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 44 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2018-10-01 02:06:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2018-10-01 02:06:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:06:18,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 149 states and 250 transitions. [2018-10-01 02:06:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 250 transitions. [2018-10-01 02:06:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:06:22,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 151 states and 252 transitions. [2018-10-01 02:06:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 252 transitions. [2018-10-01 02:06:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:06:23,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 155 states and 260 transitions. [2018-10-01 02:06:26,993 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2018-10-01 02:06:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:06:26,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2018-10-01 02:06:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2018-10-01 02:06:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:06:29,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:31,292 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-10-01 02:06:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2018-10-01 02:06:31,604 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2018-10-01 02:06:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:06:31,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 58 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 163 states and 275 transitions. [2018-10-01 02:06:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 275 transitions. [2018-10-01 02:06:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:06:32,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 173 states and 290 transitions. [2018-10-01 02:06:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 290 transitions. [2018-10-01 02:06:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:06:37,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 175 states and 292 transitions. [2018-10-01 02:06:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 292 transitions. [2018-10-01 02:06:38,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:06:38,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:41,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 179 states and 300 transitions. [2018-10-01 02:06:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 300 transitions. [2018-10-01 02:06:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:06:41,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 183 states and 307 transitions. [2018-10-01 02:06:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 307 transitions. [2018-10-01 02:06:44,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:06:44,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 72 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 185 states and 313 transitions. [2018-10-01 02:06:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 313 transitions. [2018-10-01 02:06:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:06:46,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 187 states and 315 transitions. [2018-10-01 02:06:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2018-10-01 02:06:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:06:47,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 197 states and 330 transitions. [2018-10-01 02:06:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 330 transitions. [2018-10-01 02:06:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:06:53,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 199 states and 332 transitions. [2018-10-01 02:06:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 332 transitions. [2018-10-01 02:06:54,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:06:54,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 203 states and 340 transitions. [2018-10-01 02:06:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 340 transitions. [2018-10-01 02:06:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:06:58,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 207 states and 347 transitions. [2018-10-01 02:07:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 347 transitions. [2018-10-01 02:07:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:07:03,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 209 states and 353 transitions. [2018-10-01 02:07:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 353 transitions. [2018-10-01 02:07:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:07:05,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:07,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 211 states and 355 transitions. [2018-10-01 02:07:07,338 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 355 transitions. [2018-10-01 02:07:07,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:07:07,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:13,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 221 states and 370 transitions. [2018-10-01 02:07:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2018-10-01 02:07:13,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:07:13,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2018-10-01 02:07:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2018-10-01 02:07:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:07:14,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 227 states and 380 transitions. [2018-10-01 02:07:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2018-10-01 02:07:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:07:20,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:23,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 231 states and 387 transitions. [2018-10-01 02:07:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 387 transitions. [2018-10-01 02:07:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:07:23,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 110 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 233 states and 393 transitions. [2018-10-01 02:07:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 393 transitions. [2018-10-01 02:07:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:07:26,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 112 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 235 states and 395 transitions. [2018-10-01 02:07:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 395 transitions. [2018-10-01 02:07:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:07:28,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 245 states and 410 transitions. [2018-10-01 02:07:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 410 transitions. [2018-10-01 02:07:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:07:35,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:36,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 247 states and 412 transitions. [2018-10-01 02:07:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 412 transitions. [2018-10-01 02:07:36,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:07:36,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:42,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 251 states and 420 transitions. [2018-10-01 02:07:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 420 transitions. [2018-10-01 02:07:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:07:42,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 255 states and 427 transitions. [2018-10-01 02:07:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 427 transitions. [2018-10-01 02:07:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:07:46,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 132 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:51,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 257 states and 433 transitions. [2018-10-01 02:07:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 433 transitions. [2018-10-01 02:07:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:07:51,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 134 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 259 states and 435 transitions. [2018-10-01 02:07:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 435 transitions. [2018-10-01 02:07:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:07:52,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 269 states and 450 transitions. [2018-10-01 02:08:00,109 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 450 transitions. [2018-10-01 02:08:00,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:08:00,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:02,261 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2018-10-01 02:08:03,766 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-10-01 02:08:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 271 states and 452 transitions. [2018-10-01 02:08:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 452 transitions. [2018-10-01 02:08:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:08:05,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:10,289 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-01 02:08:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 275 states and 460 transitions. [2018-10-01 02:08:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 460 transitions. [2018-10-01 02:08:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:08:12,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:16,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:16,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 279 states and 467 transitions. [2018-10-01 02:08:16,398 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 467 transitions. [2018-10-01 02:08:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:08:16,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 156 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:21,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 281 states and 473 transitions. [2018-10-01 02:08:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 473 transitions. [2018-10-01 02:08:21,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:08:21,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 158 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 283 states and 475 transitions. [2018-10-01 02:08:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 475 transitions. [2018-10-01 02:08:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:08:22,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 293 states and 490 transitions. [2018-10-01 02:08:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 490 transitions. [2018-10-01 02:08:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:08:31,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 295 states and 492 transitions. [2018-10-01 02:08:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 492 transitions. [2018-10-01 02:08:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:08:32,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 299 states and 500 transitions. [2018-10-01 02:08:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 500 transitions. [2018-10-01 02:08:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:08:41,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:46,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 303 states and 507 transitions. [2018-10-01 02:08:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 507 transitions. [2018-10-01 02:08:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:08:46,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 182 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 305 states and 513 transitions. [2018-10-01 02:08:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 513 transitions. [2018-10-01 02:08:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:08:51,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 184 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 307 states and 515 transitions. [2018-10-01 02:08:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 515 transitions. [2018-10-01 02:08:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:08:54,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 317 states and 530 transitions. [2018-10-01 02:09:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 530 transitions. [2018-10-01 02:09:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:09:04,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 319 states and 532 transitions. [2018-10-01 02:09:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 532 transitions. [2018-10-01 02:09:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:09:05,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 323 states and 540 transitions. [2018-10-01 02:09:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 540 transitions. [2018-10-01 02:09:15,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:09:15,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:20,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:20,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 327 states and 547 transitions. [2018-10-01 02:09:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 547 transitions. [2018-10-01 02:09:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:09:20,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 210 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:27,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:27,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 553 transitions. [2018-10-01 02:09:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 553 transitions. [2018-10-01 02:09:27,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:09:27,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 212 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 331 states and 555 transitions. [2018-10-01 02:09:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 555 transitions. [2018-10-01 02:09:28,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:09:28,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 341 states and 570 transitions. [2018-10-01 02:09:39,669 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 570 transitions. [2018-10-01 02:09:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:09:39,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 343 states and 572 transitions. [2018-10-01 02:09:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 572 transitions. [2018-10-01 02:09:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:09:41,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 240 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:53,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 347 states and 580 transitions. [2018-10-01 02:09:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 580 transitions. [2018-10-01 02:09:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:09:53,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 242 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 351 states and 587 transitions. [2018-10-01 02:09:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 587 transitions. [2018-10-01 02:09:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:09:58,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 240 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 353 states and 593 transitions. [2018-10-01 02:10:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 593 transitions. [2018-10-01 02:10:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:10:06,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:06,424 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 242 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 355 states and 595 transitions. [2018-10-01 02:10:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 595 transitions. [2018-10-01 02:10:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:10:07,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 365 states and 610 transitions. [2018-10-01 02:10:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 610 transitions. [2018-10-01 02:10:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:10:18,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:22,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 367 states and 612 transitions. [2018-10-01 02:10:22,211 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 612 transitions. [2018-10-01 02:10:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:10:22,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 272 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:30,250 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-01 02:10:32,287 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-10-01 02:10:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 371 states and 620 transitions. [2018-10-01 02:10:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 620 transitions. [2018-10-01 02:10:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:10:34,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 274 proven. 304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 375 states and 627 transitions. [2018-10-01 02:10:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 627 transitions. [2018-10-01 02:10:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:10:39,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:46,073 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 272 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 377 states and 633 transitions. [2018-10-01 02:10:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 633 transitions. [2018-10-01 02:10:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:10:48,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 274 proven. 304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 379 states and 635 transitions. [2018-10-01 02:10:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 635 transitions. [2018-10-01 02:10:49,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:10:49,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:01,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 389 states and 650 transitions. [2018-10-01 02:11:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 650 transitions. [2018-10-01 02:11:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:11:01,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 391 states and 652 transitions. [2018-10-01 02:11:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 652 transitions. [2018-10-01 02:11:03,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:11:03,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 306 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:12,674 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-10-01 02:11:12,921 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-01 02:11:15,153 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-10-01 02:11:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 395 states and 660 transitions. [2018-10-01 02:11:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 660 transitions. [2018-10-01 02:11:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:11:17,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 308 proven. 340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:23,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 399 states and 667 transitions. [2018-10-01 02:11:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 667 transitions. [2018-10-01 02:11:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:11:23,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 306 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:30,862 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-10-01 02:11:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 401 states and 673 transitions. [2018-10-01 02:11:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 673 transitions. [2018-10-01 02:11:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:11:33,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 308 proven. 340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:34,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 403 states and 675 transitions. [2018-10-01 02:11:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 675 transitions. [2018-10-01 02:11:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:11:34,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 413 states and 690 transitions. [2018-10-01 02:11:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 690 transitions. [2018-10-01 02:11:47,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:11:47,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:50,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 415 states and 692 transitions. [2018-10-01 02:11:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 692 transitions. [2018-10-01 02:11:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:11:50,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 342 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:00,290 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2018-10-01 02:12:00,557 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-10-01 02:12:02,863 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2018-10-01 02:12:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 419 states and 700 transitions. [2018-10-01 02:12:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 700 transitions. [2018-10-01 02:12:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:12:05,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 344 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:11,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 423 states and 707 transitions. [2018-10-01 02:12:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 707 transitions. [2018-10-01 02:12:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:12:11,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 342 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:20,128 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-10-01 02:12:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:22,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 425 states and 713 transitions. [2018-10-01 02:12:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 713 transitions. [2018-10-01 02:12:22,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:12:22,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 344 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 427 states and 715 transitions. [2018-10-01 02:12:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 715 transitions. [2018-10-01 02:12:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 02:12:23,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:31,668 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-01 02:12:38,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 437 states and 730 transitions. [2018-10-01 02:12:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 730 transitions. [2018-10-01 02:12:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 02:12:38,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:40,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 439 states and 732 transitions. [2018-10-01 02:12:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 732 transitions. [2018-10-01 02:12:40,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 02:12:40,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 380 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:51,995 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2018-10-01 02:12:52,285 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-10-01 02:12:54,882 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-10-01 02:12:57,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 443 states and 740 transitions. [2018-10-01 02:12:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 740 transitions. [2018-10-01 02:12:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 02:12:57,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 382 proven. 418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 447 states and 747 transitions. [2018-10-01 02:13:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 747 transitions. [2018-10-01 02:13:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 02:13:03,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 380 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:13,721 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2018-10-01 02:13:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 449 states and 753 transitions. [2018-10-01 02:13:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 753 transitions. [2018-10-01 02:13:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 02:13:16,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 382 proven. 418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 451 states and 755 transitions. [2018-10-01 02:13:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 755 transitions. [2018-10-01 02:13:18,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 02:13:18,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:26,170 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-10-01 02:13:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 461 states and 770 transitions. [2018-10-01 02:13:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 770 transitions. [2018-10-01 02:13:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 02:13:32,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 463 states and 772 transitions. [2018-10-01 02:13:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 772 transitions. [2018-10-01 02:13:35,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 02:13:35,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 420 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:48,184 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-10-01 02:13:48,486 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-01 02:13:51,222 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2018-10-01 02:13:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 467 states and 780 transitions. [2018-10-01 02:13:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 780 transitions. [2018-10-01 02:13:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 02:13:54,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 422 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:14:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:14:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 471 states and 787 transitions. [2018-10-01 02:14:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 787 transitions. [2018-10-01 02:14:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 02:14:00,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:14:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:14:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 420 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:14:12,282 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-10-01 02:14:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:14:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 473 states and 793 transitions. [2018-10-01 02:14:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 793 transitions. [2018-10-01 02:14:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 02:14:14,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:14:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:14:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 422 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:14:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:14:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 475 states and 795 transitions. [2018-10-01 02:14:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 795 transitions. [2018-10-01 02:14:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 02:14:16,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:14:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:14:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:14:25,383 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2018-10-01 02:14:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:14:32,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 485 states and 810 transitions. [2018-10-01 02:14:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 810 transitions. [2018-10-01 02:14:32,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 02:14:32,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:14:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:14:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:14:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:14:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 487 states and 812 transitions. [2018-10-01 02:14:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 812 transitions. [2018-10-01 02:14:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 02:14:35,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:14:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:14:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 462 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:14:49,371 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2018-10-01 02:14:49,708 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2018-10-01 02:14:52,736 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2018-10-01 02:14:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:14:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 491 states and 820 transitions. [2018-10-01 02:14:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 820 transitions. [2018-10-01 02:14:55,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 02:14:55,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:14:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:14:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 464 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:15:03,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:15:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 495 states and 827 transitions. [2018-10-01 02:15:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 827 transitions. [2018-10-01 02:15:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 02:15:03,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:15:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:15:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 462 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:15:16,009 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2018-10-01 02:15:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:15:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 497 states and 833 transitions. [2018-10-01 02:15:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 833 transitions. [2018-10-01 02:15:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 02:15:19,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:15:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:15:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 464 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:15:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:15:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 499 states and 835 transitions. [2018-10-01 02:15:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 835 transitions. [2018-10-01 02:15:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 02:15:20,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:15:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:15:23,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:15:30,047 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2018-10-01 02:15:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:15:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 509 states and 850 transitions. [2018-10-01 02:15:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 850 transitions. [2018-10-01 02:15:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 02:15:37,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:15:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:15:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:15:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:15:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 511 states and 852 transitions. [2018-10-01 02:15:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 852 transitions. [2018-10-01 02:15:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 02:15:41,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:15:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:15:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 506 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:15:56,592 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2018-10-01 02:15:56,952 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-10-01 02:16:00,290 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-10-01 02:16:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:16:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 515 states and 860 transitions. [2018-10-01 02:16:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 860 transitions. [2018-10-01 02:16:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 02:16:03,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:16:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:16:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 508 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:16:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:16:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 519 states and 867 transitions. [2018-10-01 02:16:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 867 transitions. [2018-10-01 02:16:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 02:16:11,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:16:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:16:25,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 506 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:16:25,861 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2018-10-01 02:16:28,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:16:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 521 states and 873 transitions. [2018-10-01 02:16:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 873 transitions. [2018-10-01 02:16:28,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 02:16:28,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:16:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:16:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 508 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:16:31,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:16:31,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 523 states and 875 transitions. [2018-10-01 02:16:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 875 transitions. [2018-10-01 02:16:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 02:16:31,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:16:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:16:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 1104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:16:40,727 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-10-01 02:16:49,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:16:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 533 states and 890 transitions. [2018-10-01 02:16:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 890 transitions. [2018-10-01 02:16:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 02:16:49,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:16:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:16:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 1104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:16:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:16:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 535 states and 892 transitions. [2018-10-01 02:16:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 892 transitions. [2018-10-01 02:16:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 02:16:52,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:16:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:17:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 552 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:17:09,356 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2018-10-01 02:17:09,737 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2018-10-01 02:17:13,187 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2018-10-01 02:17:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:17:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 539 states and 900 transitions. [2018-10-01 02:17:17,055 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 900 transitions. [2018-10-01 02:17:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 02:17:17,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:17:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:17:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 554 proven. 598 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:17:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:17:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 543 states and 907 transitions. [2018-10-01 02:17:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 907 transitions. [2018-10-01 02:17:25,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 02:17:25,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:17:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:17:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 552 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:17:40,548 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-10-01 02:17:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:17:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 545 states and 913 transitions. [2018-10-01 02:17:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 913 transitions. [2018-10-01 02:17:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 02:17:44,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:17:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:17:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 554 proven. 598 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:17:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:17:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 547 states and 915 transitions. [2018-10-01 02:17:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 915 transitions. [2018-10-01 02:17:45,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 02:17:45,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:17:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:17:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:17:56,545 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-10-01 02:18:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:18:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 557 states and 930 transitions. [2018-10-01 02:18:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 930 transitions. [2018-10-01 02:18:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 02:18:05,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:18:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:18:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:18:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:18:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 559 states and 932 transitions. [2018-10-01 02:18:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 932 transitions. [2018-10-01 02:18:09,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 02:18:09,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:18:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:18:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 600 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:18:27,852 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2018-10-01 02:18:28,264 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-10-01 02:18:32,037 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2018-10-01 02:18:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:18:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 563 states and 940 transitions. [2018-10-01 02:18:35,815 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 940 transitions. [2018-10-01 02:18:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 02:18:35,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:18:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:18:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 602 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-01 02:18:43,073 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 02:18:43,076 INFO L168 Benchmark]: Toolchain (without parser) took 791775.44 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.2 GB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -546.7 MB). Peak memory consumption was 699.5 MB. Max. memory is 7.1 GB. [2018-10-01 02:18:43,077 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:18:43,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:18:43,078 INFO L168 Benchmark]: Boogie Preprocessor took 26.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:18:43,078 INFO L168 Benchmark]: RCFGBuilder took 393.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 02:18:43,078 INFO L168 Benchmark]: CodeCheck took 791300.35 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -567.9 MB). Peak memory consumption was 678.3 MB. Max. memory is 7.1 GB. [2018-10-01 02:18:43,081 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 1556 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.62 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 26.27 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 393.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 791300.35 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -567.9 MB). Peak memory consumption was 678.3 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/invert_string.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_02-18-43-094.csv Completed graceful shutdown