java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:28:42,238 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:28:42,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:28:42,252 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:28:42,252 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:28:42,253 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:28:42,254 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:28:42,256 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:28:42,257 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:28:42,258 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:28:42,259 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:28:42,259 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:28:42,260 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:28:42,261 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:28:42,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:28:42,263 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:28:42,264 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:28:42,266 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:28:42,268 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:28:42,269 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:28:42,270 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:28:42,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:28:42,274 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:28:42,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:28:42,275 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:28:42,276 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:28:42,277 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:28:42,277 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:28:42,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:28:42,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:28:42,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:28:42,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:28:42,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:28:42,281 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:28:42,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:28:42,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:28:42,283 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 [2018-10-04 13:28:42,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:28:42,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:28:42,302 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:28:42,302 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:28:42,303 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:28:42,303 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:28:42,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:28:42,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:28:42,304 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:28:42,304 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:28:42,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:28:42,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:28:42,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:28:42,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:28:42,305 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:28:42,305 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:28:42,305 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:28:42,305 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:28:42,305 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:28:42,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:28:42,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:28:42,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:28:42,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:28:42,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:28:42,307 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:28:42,307 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:28:42,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:28:42,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:28:42,307 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:28:42,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:28:42,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:28:42,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:28:42,372 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:28:42,372 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:28:42,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl [2018-10-04 13:28:42,373 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl' [2018-10-04 13:28:42,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:28:42,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:28:42,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:28:42,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:28:42,424 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:28:42,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,462 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:28:42,463 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:28:42,463 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:28:42,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:28:42,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:28:42,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:28:42,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:28:42,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:28:42,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:28:42,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:28:42,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:28:42,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:28:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:28:42,571 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 13:28:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 13:28:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 13:28:42,789 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:28:42,790 INFO L202 PluginConnector]: Adding new model Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:28:42 BoogieIcfgContainer [2018-10-04 13:28:42,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:28:42,790 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:28:42,791 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:28:42,803 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:28:42,803 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:28:42" (1/1) ... [2018-10-04 13:28:42,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:28:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-10-04 13:28:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-10-04 13:28:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:28:42,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:43,261 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2018-10-04 13:28:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-04 13:28:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-04 13:28:43,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:28:43,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-10-04 13:28:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-10-04 13:28:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:28:43,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:44,128 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-04 13:28:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 9 states and 17 transitions. [2018-10-04 13:28:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 17 transitions. [2018-10-04 13:28:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:28:44,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:45,058 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-04 13:28:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-10-04 13:28:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-10-04 13:28:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:28:45,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 11 states and 21 transitions. [2018-10-04 13:28:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 21 transitions. [2018-10-04 13:28:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:28:45,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2018-10-04 13:28:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2018-10-04 13:28:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:28:45,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:46,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2018-10-04 13:28:46,303 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2018-10-04 13:28:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:28:46,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 14 states and 27 transitions. [2018-10-04 13:28:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 27 transitions. [2018-10-04 13:28:46,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:28:46,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:47,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-10-04 13:28:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-10-04 13:28:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:28:47,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2018-10-04 13:28:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2018-10-04 13:28:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:28:47,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 33 transitions. [2018-10-04 13:28:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 33 transitions. [2018-10-04 13:28:48,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:28:48,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:48,466 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-10-04 13:28:48,803 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-10-04 13:28:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:28:48,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2018-10-04 13:28:49,260 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2018-10-04 13:28:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:28:49,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2018-10-04 13:28:50,285 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2018-10-04 13:28:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:28:50,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 21 states and 41 transitions. [2018-10-04 13:28:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 41 transitions. [2018-10-04 13:28:50,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:28:50,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 43 transitions. [2018-10-04 13:28:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 43 transitions. [2018-10-04 13:28:51,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:28:51,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:52,515 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2018-10-04 13:28:53,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2018-10-04 13:28:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2018-10-04 13:28:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:28:53,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2018-10-04 13:28:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2018-10-04 13:28:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:28:54,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 25 states and 49 transitions. [2018-10-04 13:28:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 49 transitions. [2018-10-04 13:28:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:28:55,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2018-10-04 13:28:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2018-10-04 13:28:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:28:56,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:57,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 27 states and 53 transitions. [2018-10-04 13:28:57,229 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 53 transitions. [2018-10-04 13:28:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:28:57,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:57,598 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2018-10-04 13:28:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2018-10-04 13:28:57,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:28:57,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2018-10-04 13:28:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2018-10-04 13:28:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:28:58,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2018-10-04 13:29:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2018-10-04 13:29:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:29:00,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:00,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2018-10-04 13:29:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2018-10-04 13:29:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:29:00,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2018-10-04 13:29:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2018-10-04 13:29:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:29:01,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:02,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:02,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-10-04 13:29:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-10-04 13:29:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:29:02,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:02,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 34 states and 67 transitions. [2018-10-04 13:29:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 67 transitions. [2018-10-04 13:29:02,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:29:02,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 69 transitions. [2018-10-04 13:29:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2018-10-04 13:29:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:29:03,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-10-04 13:29:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-10-04 13:29:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:29:04,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2018-10-04 13:29:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2018-10-04 13:29:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:29:05,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:06,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2018-10-04 13:29:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2018-10-04 13:29:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:29:06,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-10-04 13:29:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-10-04 13:29:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:29:07,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2018-10-04 13:29:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2018-10-04 13:29:08,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:29:08,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:09,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 81 transitions. [2018-10-04 13:29:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 81 transitions. [2018-10-04 13:29:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:29:09,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:10,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2018-10-04 13:29:10,196 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2018-10-04 13:29:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:29:10,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2018-10-04 13:29:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2018-10-04 13:29:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:29:11,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:12,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2018-10-04 13:29:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2018-10-04 13:29:12,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:29:12,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 45 states and 89 transitions. [2018-10-04 13:29:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2018-10-04 13:29:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:29:14,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 91 transitions. [2018-10-04 13:29:15,032 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2018-10-04 13:29:15,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:29:15,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:16,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2018-10-04 13:29:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2018-10-04 13:29:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:29:16,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 95 transitions. [2018-10-04 13:29:17,203 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2018-10-04 13:29:17,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:29:17,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2018-10-04 13:29:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2018-10-04 13:29:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:29:18,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-10-04 13:29:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-10-04 13:29:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:29:19,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 101 transitions. [2018-10-04 13:29:19,939 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2018-10-04 13:29:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:29:19,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2018-10-04 13:29:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2018-10-04 13:29:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:29:21,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:21,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2018-10-04 13:29:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2018-10-04 13:29:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:29:22,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:22,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 107 transitions. [2018-10-04 13:29:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 107 transitions. [2018-10-04 13:29:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:29:23,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2018-10-04 13:29:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2018-10-04 13:29:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:29:24,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2018-10-04 13:29:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2018-10-04 13:29:25,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:29:25,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2018-10-04 13:29:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2018-10-04 13:29:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:29:26,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 115 transitions. [2018-10-04 13:29:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 115 transitions. [2018-10-04 13:29:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:29:28,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2018-10-04 13:29:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2018-10-04 13:29:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:29:29,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 60 states and 119 transitions. [2018-10-04 13:29:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 119 transitions. [2018-10-04 13:29:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:29:30,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2018-10-04 13:29:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2018-10-04 13:29:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:29:31,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:32,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 123 transitions. [2018-10-04 13:29:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 123 transitions. [2018-10-04 13:29:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:29:32,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 63 states and 125 transitions. [2018-10-04 13:29:33,860 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 125 transitions. [2018-10-04 13:29:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:29:33,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 127 transitions. [2018-10-04 13:29:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2018-10-04 13:29:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:29:34,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2018-10-04 13:29:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2018-10-04 13:29:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:29:37,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:38,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2018-10-04 13:29:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2018-10-04 13:29:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:29:38,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 133 transitions. [2018-10-04 13:29:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 133 transitions. [2018-10-04 13:29:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:29:39,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:41,771 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2018-10-04 13:29:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 135 transitions. [2018-10-04 13:29:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 135 transitions. [2018-10-04 13:29:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:29:43,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:44,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2018-10-04 13:29:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2018-10-04 13:29:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:29:44,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:45,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 70 states and 139 transitions. [2018-10-04 13:29:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 139 transitions. [2018-10-04 13:29:45,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:29:45,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 71 states and 141 transitions. [2018-10-04 13:29:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 141 transitions. [2018-10-04 13:29:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:29:46,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2018-10-04 13:29:48,008 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2018-10-04 13:29:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:29:48,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 73 states and 145 transitions. [2018-10-04 13:29:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 145 transitions. [2018-10-04 13:29:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:29:49,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 147 transitions. [2018-10-04 13:29:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-10-04 13:29:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 13:29:50,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 75 states and 149 transitions. [2018-10-04 13:29:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 149 transitions. [2018-10-04 13:29:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:29:52,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 76 states and 151 transitions. [2018-10-04 13:29:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2018-10-04 13:29:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 13:29:53,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 77 states and 153 transitions. [2018-10-04 13:29:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions. [2018-10-04 13:29:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:29:55,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 78 states and 155 transitions. [2018-10-04 13:29:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 155 transitions. [2018-10-04 13:29:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:29:56,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 79 states and 157 transitions. [2018-10-04 13:29:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 157 transitions. [2018-10-04 13:29:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:29:57,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 159 transitions. [2018-10-04 13:29:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 159 transitions. [2018-10-04 13:29:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 13:29:59,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2018-10-04 13:30:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2018-10-04 13:30:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:30:00,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 82 states and 163 transitions. [2018-10-04 13:30:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 163 transitions. [2018-10-04 13:30:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:30:02,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 165 transitions. [2018-10-04 13:30:03,942 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 165 transitions. [2018-10-04 13:30:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:30:03,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-10-04 13:30:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-10-04 13:30:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 13:30:05,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 85 states and 169 transitions. [2018-10-04 13:30:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 169 transitions. [2018-10-04 13:30:06,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:30:06,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:08,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 86 states and 171 transitions. [2018-10-04 13:30:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 171 transitions. [2018-10-04 13:30:08,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 13:30:08,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-10-04 13:30:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-10-04 13:30:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:30:09,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:10,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 88 states and 175 transitions. [2018-10-04 13:30:10,949 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 175 transitions. [2018-10-04 13:30:10,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:30:10,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:12,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:12,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 89 states and 177 transitions. [2018-10-04 13:30:12,503 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 177 transitions. [2018-10-04 13:30:12,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:30:12,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 90 states and 179 transitions. [2018-10-04 13:30:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 179 transitions. [2018-10-04 13:30:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 13:30:14,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 91 states and 181 transitions. [2018-10-04 13:30:15,518 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 181 transitions. [2018-10-04 13:30:15,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:30:15,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 92 states and 183 transitions. [2018-10-04 13:30:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 183 transitions. [2018-10-04 13:30:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:30:16,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 93 states and 185 transitions. [2018-10-04 13:30:18,518 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 185 transitions. [2018-10-04 13:30:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:30:18,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 94 states and 187 transitions. [2018-10-04 13:30:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 187 transitions. [2018-10-04 13:30:20,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 13:30:20,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 95 states and 189 transitions. [2018-10-04 13:30:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 189 transitions. [2018-10-04 13:30:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:30:21,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 96 states and 191 transitions. [2018-10-04 13:30:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 191 transitions. [2018-10-04 13:30:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 13:30:23,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 97 states and 193 transitions. [2018-10-04 13:30:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 193 transitions. [2018-10-04 13:30:24,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:30:24,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:25,587 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2018-10-04 13:30:26,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2018-10-04 13:30:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2018-10-04 13:30:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 13:30:26,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:28,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 99 states and 197 transitions. [2018-10-04 13:30:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 197 transitions. [2018-10-04 13:30:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:30:28,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2018-10-04 13:30:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2018-10-04 13:30:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 13:30:29,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2018-10-04 13:30:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2018-10-04 13:30:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:30:31,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 102 states and 203 transitions. [2018-10-04 13:30:33,479 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 203 transitions. [2018-10-04 13:30:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 13:30:33,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2018-10-04 13:30:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2018-10-04 13:30:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:30:35,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2018-10-04 13:30:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2018-10-04 13:30:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 13:30:36,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 105 states and 209 transitions. [2018-10-04 13:30:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 209 transitions. [2018-10-04 13:30:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:30:38,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:40,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 106 states and 211 transitions. [2018-10-04 13:30:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 211 transitions. [2018-10-04 13:30:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 13:30:40,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 107 states and 213 transitions. [2018-10-04 13:30:42,005 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 213 transitions. [2018-10-04 13:30:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 13:30:42,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 108 states and 215 transitions. [2018-10-04 13:30:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 215 transitions. [2018-10-04 13:30:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-04 13:30:44,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 109 states and 217 transitions. [2018-10-04 13:30:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 217 transitions. [2018-10-04 13:30:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 13:30:45,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 110 states and 219 transitions. [2018-10-04 13:30:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 219 transitions. [2018-10-04 13:30:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-04 13:30:47,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 111 states and 221 transitions. [2018-10-04 13:30:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 221 transitions. [2018-10-04 13:30:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 13:30:49,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:50,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 112 states and 223 transitions. [2018-10-04 13:30:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 223 transitions. [2018-10-04 13:30:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-04 13:30:51,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 113 states and 225 transitions. [2018-10-04 13:30:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2018-10-04 13:30:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 13:30:53,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:53,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 114 states and 227 transitions. [2018-10-04 13:30:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 227 transitions. [2018-10-04 13:30:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-04 13:30:55,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:56,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 115 states and 229 transitions. [2018-10-04 13:30:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 229 transitions. [2018-10-04 13:30:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 13:30:56,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:30:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:30:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 116 states and 231 transitions. [2018-10-04 13:30:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 231 transitions. [2018-10-04 13:30:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-04 13:30:59,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:30:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:30:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 117 states and 233 transitions. [2018-10-04 13:31:00,971 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 233 transitions. [2018-10-04 13:31:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 13:31:00,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:02,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 118 states and 235 transitions. [2018-10-04 13:31:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2018-10-04 13:31:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-04 13:31:02,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:04,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 119 states and 237 transitions. [2018-10-04 13:31:04,989 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 237 transitions. [2018-10-04 13:31:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-04 13:31:04,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:05,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 120 states and 239 transitions. [2018-10-04 13:31:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 239 transitions. [2018-10-04 13:31:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-04 13:31:06,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 241 transitions. [2018-10-04 13:31:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 241 transitions. [2018-10-04 13:31:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 13:31:09,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 122 states and 243 transitions. [2018-10-04 13:31:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 243 transitions. [2018-10-04 13:31:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-04 13:31:10,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 123 states and 245 transitions. [2018-10-04 13:31:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 245 transitions. [2018-10-04 13:31:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 13:31:12,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:15,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 124 states and 247 transitions. [2018-10-04 13:31:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 247 transitions. [2018-10-04 13:31:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-04 13:31:15,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 125 states and 249 transitions. [2018-10-04 13:31:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 249 transitions. [2018-10-04 13:31:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-04 13:31:17,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 126 states and 251 transitions. [2018-10-04 13:31:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 251 transitions. [2018-10-04 13:31:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-04 13:31:19,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 127 states and 253 transitions. [2018-10-04 13:31:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions. [2018-10-04 13:31:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 13:31:21,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:23,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 128 states and 255 transitions. [2018-10-04 13:31:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 255 transitions. [2018-10-04 13:31:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-04 13:31:23,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:25,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:25,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 129 states and 257 transitions. [2018-10-04 13:31:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 257 transitions. [2018-10-04 13:31:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-04 13:31:25,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 130 states and 259 transitions. [2018-10-04 13:31:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 259 transitions. [2018-10-04 13:31:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-04 13:31:28,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:30,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 131 states and 261 transitions. [2018-10-04 13:31:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 261 transitions. [2018-10-04 13:31:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-04 13:31:30,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:32,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 132 states and 263 transitions. [2018-10-04 13:31:32,392 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 263 transitions. [2018-10-04 13:31:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-04 13:31:32,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:33,847 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-04 13:31:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 133 states and 265 transitions. [2018-10-04 13:31:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 265 transitions. [2018-10-04 13:31:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 13:31:34,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 134 states and 267 transitions. [2018-10-04 13:31:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 267 transitions. [2018-10-04 13:31:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-04 13:31:37,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 269 transitions. [2018-10-04 13:31:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 269 transitions. [2018-10-04 13:31:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 13:31:39,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:42,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 136 states and 271 transitions. [2018-10-04 13:31:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 271 transitions. [2018-10-04 13:31:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-04 13:31:42,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:44,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 137 states and 273 transitions. [2018-10-04 13:31:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 273 transitions. [2018-10-04 13:31:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-04 13:31:44,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:46,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 138 states and 275 transitions. [2018-10-04 13:31:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 275 transitions. [2018-10-04 13:31:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-04 13:31:46,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 139 states and 277 transitions. [2018-10-04 13:31:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 277 transitions. [2018-10-04 13:31:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 13:31:49,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:51,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 140 states and 279 transitions. [2018-10-04 13:31:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 279 transitions. [2018-10-04 13:31:51,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-04 13:31:51,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 141 states and 281 transitions. [2018-10-04 13:31:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 281 transitions. [2018-10-04 13:31:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-04 13:31:53,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 142 states and 283 transitions. [2018-10-04 13:31:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 283 transitions. [2018-10-04 13:31:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-04 13:31:56,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 143 states and 285 transitions. [2018-10-04 13:31:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 285 transitions. [2018-10-04 13:31:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-04 13:31:58,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 144 states and 287 transitions. [2018-10-04 13:32:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 287 transitions. [2018-10-04 13:32:01,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-04 13:32:01,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 145 states and 289 transitions. [2018-10-04 13:32:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 289 transitions. [2018-10-04 13:32:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 13:32:03,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 146 states and 291 transitions. [2018-10-04 13:32:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 291 transitions. [2018-10-04 13:32:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-04 13:32:06,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:08,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:08,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 293 transitions. [2018-10-04 13:32:08,797 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 293 transitions. [2018-10-04 13:32:08,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 13:32:08,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:11,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 148 states and 295 transitions. [2018-10-04 13:32:11,419 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 295 transitions. [2018-10-04 13:32:11,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-04 13:32:11,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 149 states and 297 transitions. [2018-10-04 13:32:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 297 transitions. [2018-10-04 13:32:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-04 13:32:13,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:16,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 150 states and 299 transitions. [2018-10-04 13:32:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 299 transitions. [2018-10-04 13:32:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-04 13:32:16,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:18,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 151 states and 301 transitions. [2018-10-04 13:32:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 301 transitions. [2018-10-04 13:32:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-04 13:32:18,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 303 transitions. [2018-10-04 13:32:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 303 transitions. [2018-10-04 13:32:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-04 13:32:21,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 153 states and 305 transitions. [2018-10-04 13:32:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 305 transitions. [2018-10-04 13:32:24,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-04 13:32:24,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 154 states and 307 transitions. [2018-10-04 13:32:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 307 transitions. [2018-10-04 13:32:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-04 13:32:26,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2018-10-04 13:32:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2018-10-04 13:32:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-04 13:32:29,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 156 states and 311 transitions. [2018-10-04 13:32:32,037 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2018-10-04 13:32:32,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-04 13:32:32,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 157 states and 313 transitions. [2018-10-04 13:32:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 313 transitions. [2018-10-04 13:32:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 13:32:34,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 158 states and 315 transitions. [2018-10-04 13:32:37,609 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 315 transitions. [2018-10-04 13:32:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-04 13:32:37,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:32:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:32:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 159 states and 317 transitions. [2018-10-04 13:32:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 317 transitions. [2018-10-04 13:32:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-04 13:32:40,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:32:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 13:32:40,583 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 13:32:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:32:40,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:32:40,720 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 13:32:40,721 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:32:40,723 INFO L168 Benchmark]: Toolchain (without parser) took 238301.28 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 910.0 MB in the end (delta: 563.0 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-04 13:32:40,724 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-04 13:32:40,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.61 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. [2018-10-04 13:32:40,725 INFO L168 Benchmark]: Boogie Preprocessor took 21.15 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. [2018-10-04 13:32:40,725 INFO L168 Benchmark]: RCFGBuilder took 301.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:32:40,726 INFO L168 Benchmark]: CodeCheck took 237931.77 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 910.0 MB in the end (delta: 541.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-04 13:32:40,734 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 41.61 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 21.15 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 301.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 237931.77 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 910.0 MB in the end (delta: 541.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Luxembourg-WithArrays.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-32-40-755.csv Completed graceful shutdown