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/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:25:28,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:25:28,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:25:28,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:25:28,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:25:28,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:25:28,244 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:25:28,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:25:28,248 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:25:28,248 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:25:28,249 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:25:28,249 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:25:28,250 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:25:28,251 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:25:28,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:25:28,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:25:28,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:25:28,256 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:25:28,258 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:25:28,259 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:25:28,260 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:25:28,262 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:25:28,264 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:25:28,264 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:25:28,264 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:25:28,265 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:25:28,266 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:25:28,267 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:25:28,267 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:25:28,268 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:25:28,269 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:25:28,269 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:25:28,269 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:25:28,270 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:25:28,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:25:28,271 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:25:28,271 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-26 22:25:28,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:25:28,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:25:28,300 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:25:28,300 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:25:28,301 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:25:28,301 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:25:28,302 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:25:28,302 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:25:28,302 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:25:28,302 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:25:28,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:25:28,303 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:25:28,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:25:28,303 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:25:28,303 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:25:28,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:25:28,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:25:28,304 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:25:28,304 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:25:28,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:25:28,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:25:28,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:25:28,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:25:28,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:25:28,305 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:25:28,306 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:25:28,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:25:28,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:25:28,306 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:25:28,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:25:28,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:25:28,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:25:28,386 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:25:28,386 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:25:28,387 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2018-09-26 22:25:28,388 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2018-09-26 22:25:28,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:25:28,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:25:28,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:25:28,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:25:28,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:25:28,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,490 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:25:28,490 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:25:28,490 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:25:28,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:25:28,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:25:28,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:25:28,494 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:25:28,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:25:28,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:25:28,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:25:28,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:25:28,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:25:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:25:28,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 22:25:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 22:25:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 22:25:28,937 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:25:28,937 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:25:28 BoogieIcfgContainer [2018-09-26 22:25:28,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:25:28,938 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:25:28,938 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:25:28,951 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:25:28,951 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:25:28" (1/1) ... [2018-09-26 22:25:28,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:25:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 22:25:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 22:25:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:25:29,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:29,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-26 22:25:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-26 22:25:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:25:29,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-26 22:25:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 22:25:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:25:29,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-09-26 22:25:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-09-26 22:25:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:25:29,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-26 22:25:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-26 22:25:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:25:30,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-09-26 22:25:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-09-26 22:25:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:25:30,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-26 22:25:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-26 22:25:30,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:25:30,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-09-26 22:25:31,157 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-09-26 22:25:31,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:25:31,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-26 22:25:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-26 22:25:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:25:31,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-09-26 22:25:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-09-26 22:25:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:25:31,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-26 22:25:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-26 22:25:31,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:25:31,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:32,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-09-26 22:25:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-09-26 22:25:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:25:32,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:32,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-26 22:25:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-26 22:25:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:25:32,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-09-26 22:25:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-09-26 22:25:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:25:32,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-26 22:25:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-26 22:25:33,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:25:33,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:33,213 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-09-26 22:25:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-09-26 22:25:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:25:33,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-26 22:25:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-26 22:25:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:25:34,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:34,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:34,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-09-26 22:25:34,262 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-09-26 22:25:34,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:25:34,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:34,377 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-26 22:25:34,618 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-26 22:25:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:25:34,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-09-26 22:25:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-09-26 22:25:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:25:35,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:35,324 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-26 22:25:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-26 22:25:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:25:35,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:36,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-09-26 22:25:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-09-26 22:25:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:25:36,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:36,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-26 22:25:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-26 22:25:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:25:36,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-09-26 22:25:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-09-26 22:25:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:25:38,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-26 22:25:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-26 22:25:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:25:38,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:40,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-09-26 22:25:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-09-26 22:25:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:25:40,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:40,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:40,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-26 22:25:40,605 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-26 22:25:40,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:25:40,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-09-26 22:25:42,024 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-09-26 22:25:42,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:25:42,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-26 22:25:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-26 22:25:42,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:25:42,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-09-26 22:25:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-09-26 22:25:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:25:42,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-26 22:25:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-26 22:25:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:25:43,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:43,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-09-26 22:25:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-09-26 22:25:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:25:43,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-26 22:25:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-26 22:25:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:25:44,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-09-26 22:25:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-09-26 22:25:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:25:44,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-26 22:25:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-26 22:25:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:25:45,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-09-26 22:25:45,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-09-26 22:25:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:25:45,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-26 22:25:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-26 22:25:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:25:45,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:46,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-09-26 22:25:46,812 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-09-26 22:25:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:25:46,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-26 22:25:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-26 22:25:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:25:47,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-09-26 22:25:47,901 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-09-26 22:25:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:25:47,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-26 22:25:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-26 22:25:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:25:48,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-09-26 22:25:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-09-26 22:25:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:25:48,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-26 22:25:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-26 22:25:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:25:49,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-09-26 22:25:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-09-26 22:25:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:25:49,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-26 22:25:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-26 22:25:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:25:50,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2018-09-26 22:25:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-09-26 22:25:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:25:50,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:51,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-26 22:25:51,246 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-26 22:25:51,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:25:51,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 54 states and 55 transitions. [2018-09-26 22:25:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-09-26 22:25:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:25:51,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-26 22:25:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-26 22:25:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 22:25:52,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-09-26 22:25:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-09-26 22:25:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:25:52,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-26 22:25:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-26 22:25:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:25:53,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:53,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 58 states and 59 transitions. [2018-09-26 22:25:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-09-26 22:25:53,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:25:53,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-26 22:25:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-26 22:25:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 22:25:54,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:57,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:25:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-09-26 22:25:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-09-26 22:25:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:25:58,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:01,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-09-26 22:26:01,818 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-09-26 22:26:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 22:26:01,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-09-26 22:26:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-09-26 22:26:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:26:05,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:08,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-09-26 22:26:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-09-26 22:26:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 22:26:08,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:11,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-09-26 22:26:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-09-26 22:26:11,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:26:11,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-09-26 22:26:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-09-26 22:26:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-26 22:26:14,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-09-26 22:26:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-09-26 22:26:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:26:17,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-09-26 22:26:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-09-26 22:26:20,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 22:26:20,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-09-26 22:26:23,994 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-09-26 22:26:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:26:23,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-09-26 22:26:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-09-26 22:26:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-26 22:26:27,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-09-26 22:26:31,712 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-09-26 22:26:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:26:31,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-09-26 22:26:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-09-26 22:26:35,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 22:26:35,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-09-26 22:26:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-09-26 22:26:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:26:39,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-09-26 22:26:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-09-26 22:26:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 22:26:44,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-09-26 22:26:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-09-26 22:26:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:26:50,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-09-26 22:26:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-09-26 22:26:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 22:26:54,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:26:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:26:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:26:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-09-26 22:26:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-09-26 22:26:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:26:59,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:26:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-09-26 22:27:03,639 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-09-26 22:27:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-26 22:27:03,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-09-26 22:27:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-09-26 22:27:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:27:08,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-09-26 22:27:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-09-26 22:27:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-26 22:27:12,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-09-26 22:27:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-09-26 22:27:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 22:27:17,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-09-26 22:27:22,550 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-09-26 22:27:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-26 22:27:22,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-09-26 22:27:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-09-26 22:27:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 22:27:27,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-09-26 22:27:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-09-26 22:27:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-26 22:27:32,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-09-26 22:27:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-09-26 22:27:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:27:37,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-09-26 22:27:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-09-26 22:27:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-26 22:27:43,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-09-26 22:27:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-09-26 22:27:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:27:48,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-09-26 22:27:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-09-26 22:27:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-26 22:27:54,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:27:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:27:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:27:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-09-26 22:27:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-09-26 22:27:59,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:27:59,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:27:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-09-26 22:28:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-09-26 22:28:05,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-26 22:28:05,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-09-26 22:28:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-09-26 22:28:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:28:11,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-09-26 22:28:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-09-26 22:28:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-26 22:28:18,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-09-26 22:28:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-09-26 22:28:24,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 22:28:24,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-09-26 22:28:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-09-26 22:28:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 22:28:30,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-09-26 22:28:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-09-26 22:28:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:28:37,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:44,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:44,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:44,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-09-26 22:28:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-09-26 22:28:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-26 22:28:44,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:51,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-09-26 22:28:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-09-26 22:28:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 22:28:51,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:28:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:28:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:28:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-09-26 22:28:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-09-26 22:28:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-26 22:28:58,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:28:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-09-26 22:29:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-09-26 22:29:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 22:29:05,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-09-26 22:29:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-09-26 22:29:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-26 22:29:12,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-09-26 22:29:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-09-26 22:29:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 22:29:20,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:29:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:29:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-09-26 22:29:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-09-26 22:29:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-26 22:29:28,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:29:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-26 22:29:28,598 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-26 22:29:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:29:28,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:29:28,720 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-26 22:29:28,720 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:29:28,723 INFO L168 Benchmark]: Toolchain (without parser) took 240278.11 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -46.1 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 46.3 MB). Peak memory consumption was 196.3 kB. Max. memory is 7.1 GB. [2018-09-26 22:29:28,724 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:29:28,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:29:28,725 INFO L168 Benchmark]: Boogie Preprocessor took 25.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:29:28,725 INFO L168 Benchmark]: RCFGBuilder took 418.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:29:28,726 INFO L168 Benchmark]: CodeCheck took 239783.79 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -46.1 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 25.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:29:28,729 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 PredicateComparison was comparing new predicate (quantifier-free) to 380 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.70 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 25.48 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 418.45 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 239783.79 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -46.1 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 25.2 MB). There was no memory consumed. 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/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-29-28-740.csv Completed graceful shutdown