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/doubleLoopUniformIterations.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:35:19,968 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:35:19,971 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:35:19,987 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:35:19,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:35:19,989 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:35:19,990 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:35:19,993 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:35:19,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:35:19,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:35:19,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:35:19,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:35:19,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:35:19,998 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:35:19,999 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:35:20,000 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:35:20,001 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:35:20,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:35:20,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:35:20,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:35:20,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:35:20,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:35:20,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:35:20,012 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:35:20,012 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:35:20,013 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:35:20,014 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:35:20,015 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:35:20,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:35:20,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:35:20,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:35:20,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:35:20,021 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:35:20,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:35:20,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:35:20,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:35:20,024 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 [2018-09-30 11:35:20,056 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:35:20,056 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:35:20,058 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:35:20,058 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:35:20,059 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:35:20,060 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:35:20,060 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:35:20,060 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:35:20,060 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:35:20,060 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:35:20,060 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:35:20,061 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:35:20,061 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:35:20,061 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:35:20,061 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:35:20,061 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:35:20,061 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:35:20,063 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:35:20,063 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:35:20,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:35:20,063 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:35:20,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:35:20,064 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:35:20,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:35:20,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:35:20,064 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:35:20,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:35:20,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:35:20,065 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:35:20,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:35:20,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:35:20,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:35:20,130 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:35:20,130 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:35:20,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-09-30 11:35:20,132 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-09-30 11:35:20,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:35:20,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:35:20,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:35:20,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:35:20,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:35:20,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,220 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 11:35:20,220 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 11:35:20,220 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 11:35:20,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:35:20,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:35:20,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:35:20,224 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:35:20,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:35:20,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:35:20,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:35:20,249 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:35:20,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:35:20" (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 [2018-09-30 11:35:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-09-30 11:35:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-09-30 11:35:20,640 INFO L345 CfgBuilder]: Using library mode [2018-09-30 11:35:20,641 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:35:20 BoogieIcfgContainer [2018-09-30 11:35:20,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:35:20,642 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:35:20,642 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:35:20,656 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:35:20,656 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:35:20" (1/1) ... [2018-09-30 11:35:20,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:35:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 11:35:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 11:35:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:35:20,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-30 11:35:21,193 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-30 11:35:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:35:21,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-09-30 11:35:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-09-30 11:35:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:35:21,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:22,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2018-09-30 11:35:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2018-09-30 11:35:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:35:22,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-30 11:35:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-30 11:35:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:35:22,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2018-09-30 11:35:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2018-09-30 11:35:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:35:23,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:23,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:23,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-09-30 11:35:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-09-30 11:35:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:35:23,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-09-30 11:35:24,332 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-09-30 11:35:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:35:24,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:24,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-30 11:35:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-30 11:35:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:35:24,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-09-30 11:35:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-09-30 11:35:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:35:24,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:25,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-09-30 11:35:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-09-30 11:35:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:35:25,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-09-30 11:35:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-09-30 11:35:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:35:25,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:26,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-09-30 11:35:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-09-30 11:35:26,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:35:26,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:26,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-09-30 11:35:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-09-30 11:35:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:35:26,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-09-30 11:35:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-09-30 11:35:27,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:35:27,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-09-30 11:35:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-09-30 11:35:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:35:28,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-09-30 11:35:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-09-30 11:35:29,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 11:35:29,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-09-30 11:35:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-09-30 11:35:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:35:30,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2018-09-30 11:35:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2018-09-30 11:35:30,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:35:30,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:31,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2018-09-30 11:35:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2018-09-30 11:35:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:35:31,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-09-30 11:35:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-09-30 11:35:31,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:35:31,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-09-30 11:35:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-09-30 11:35:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:35:32,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-09-30 11:35:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-09-30 11:35:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:35:33,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:33,812 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-30 11:35:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-09-30 11:35:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-09-30 11:35:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:35:34,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2018-09-30 11:35:34,640 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2018-09-30 11:35:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 11:35:34,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-09-30 11:35:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-09-30 11:35:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:35:35,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:35,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2018-09-30 11:35:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-09-30 11:35:35,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:35:35,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-09-30 11:35:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-09-30 11:35:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:35:37,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2018-09-30 11:35:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-09-30 11:35:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 11:35:38,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:39,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2018-09-30 11:35:39,665 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2018-09-30 11:35:39,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:35:39,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions. [2018-09-30 11:35:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2018-09-30 11:35:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:35:40,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2018-09-30 11:35:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2018-09-30 11:35:41,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:35:41,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:42,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2018-09-30 11:35:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2018-09-30 11:35:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 11:35:42,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:43,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2018-09-30 11:35:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2018-09-30 11:35:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:35:43,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2018-09-30 11:35:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2018-09-30 11:35:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:35:44,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 99 transitions. [2018-09-30 11:35:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2018-09-30 11:35:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:35:45,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2018-09-30 11:35:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2018-09-30 11:35:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:35:46,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 105 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:48,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2018-09-30 11:35:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2018-09-30 11:35:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 11:35:48,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2018-09-30 11:35:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2018-09-30 11:35:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:35:49,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:50,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2018-09-30 11:35:50,566 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2018-09-30 11:35:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:35:50,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2018-09-30 11:35:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2018-09-30 11:35:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:35:51,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 105 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:53,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 112 transitions. [2018-09-30 11:35:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2018-09-30 11:35:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 11:35:53,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 115 transitions. [2018-09-30 11:35:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2018-09-30 11:35:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:35:53,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:55,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2018-09-30 11:35:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2018-09-30 11:35:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:35:55,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:55,556 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-09-30 11:35:56,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2018-09-30 11:35:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2018-09-30 11:35:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:35:56,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 77 states and 122 transitions. [2018-09-30 11:35:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2018-09-30 11:35:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:35:57,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:35:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:35:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2018-09-30 11:35:59,602 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2018-09-30 11:35:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 11:35:59,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:35:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:35:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 127 transitions. [2018-09-30 11:36:00,660 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2018-09-30 11:36:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:36:00,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:02,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2018-09-30 11:36:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2018-09-30 11:36:02,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:36:02,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:02,545 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-30 11:36:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2018-09-30 11:36:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2018-09-30 11:36:03,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:36:03,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2018-09-30 11:36:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2018-09-30 11:36:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:36:04,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 153 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-09-30 11:36:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-09-30 11:36:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 11:36:05,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2018-09-30 11:36:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2018-09-30 11:36:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:36:06,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-09-30 11:36:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-09-30 11:36:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:36:08,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:09,174 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-09-30 11:36:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2018-09-30 11:36:10,073 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2018-09-30 11:36:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:36:10,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 153 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2018-09-30 11:36:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2018-09-30 11:36:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:36:11,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 210 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 147 transitions. [2018-09-30 11:36:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2018-09-30 11:36:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 11:36:14,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 94 states and 150 transitions. [2018-09-30 11:36:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions. [2018-09-30 11:36:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:36:15,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:17,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2018-09-30 11:36:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2018-09-30 11:36:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:36:17,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:17,628 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-09-30 11:36:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2018-09-30 11:36:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2018-09-30 11:36:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:36:18,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:19,024 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 153 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2018-09-30 11:36:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2018-09-30 11:36:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:36:19,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 210 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 159 transitions. [2018-09-30 11:36:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-09-30 11:36:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 11:36:21,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 101 states and 162 transitions. [2018-09-30 11:36:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2018-09-30 11:36:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:36:22,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2018-09-30 11:36:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-09-30 11:36:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:36:24,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:25,074 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-09-30 11:36:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 104 states and 167 transitions. [2018-09-30 11:36:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2018-09-30 11:36:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:36:26,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 153 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2018-09-30 11:36:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2018-09-30 11:36:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:36:27,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 210 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 170 transitions. [2018-09-30 11:36:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2018-09-30 11:36:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:36:28,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 276 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 172 transitions. [2018-09-30 11:36:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2018-09-30 11:36:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 11:36:30,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:32,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 175 transitions. [2018-09-30 11:36:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 175 transitions. [2018-09-30 11:36:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:36:32,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:34,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2018-09-30 11:36:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2018-09-30 11:36:34,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:36:34,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:35,012 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-09-30 11:36:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 180 transitions. [2018-09-30 11:36:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-09-30 11:36:36,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:36:36,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 210 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:37,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:37,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 113 states and 182 transitions. [2018-09-30 11:36:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2018-09-30 11:36:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:36:37,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 276 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 114 states and 184 transitions. [2018-09-30 11:36:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2018-09-30 11:36:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 11:36:39,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2018-09-30 11:36:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2018-09-30 11:36:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:36:41,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:43,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2018-09-30 11:36:43,725 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2018-09-30 11:36:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:36:43,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:44,233 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-09-30 11:36:45,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2018-09-30 11:36:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2018-09-30 11:36:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:36:45,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 210 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2018-09-30 11:36:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2018-09-30 11:36:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:36:46,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 276 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 121 states and 196 transitions. [2018-09-30 11:36:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 196 transitions. [2018-09-30 11:36:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:36:48,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 351 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:51,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 198 transitions. [2018-09-30 11:36:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2018-09-30 11:36:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 11:36:51,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 124 states and 201 transitions. [2018-09-30 11:36:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 201 transitions. [2018-09-30 11:36:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:36:53,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:55,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 204 transitions. [2018-09-30 11:36:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2018-09-30 11:36:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:36:55,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:56,486 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2018-09-30 11:36:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:58,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 127 states and 206 transitions. [2018-09-30 11:36:58,023 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions. [2018-09-30 11:36:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:36:58,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:36:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 210 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:36:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:36:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 128 states and 207 transitions. [2018-09-30 11:36:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-09-30 11:36:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:36:59,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:36:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 276 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:02,550 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-09-30 11:37:03,151 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-30 11:37:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 129 states and 209 transitions. [2018-09-30 11:37:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2018-09-30 11:37:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:37:08,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 351 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:10,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 130 states and 211 transitions. [2018-09-30 11:37:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-09-30 11:37:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 11:37:10,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:12,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:12,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 132 states and 214 transitions. [2018-09-30 11:37:12,133 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2018-09-30 11:37:12,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:37:12,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2018-09-30 11:37:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2018-09-30 11:37:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:37:15,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:15,914 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-09-30 11:37:16,104 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-30 11:37:17,541 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-30 11:37:17,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 135 states and 219 transitions. [2018-09-30 11:37:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 219 transitions. [2018-09-30 11:37:17,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:37:17,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 276 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2018-09-30 11:37:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2018-09-30 11:37:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:37:19,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 351 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:21,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 137 states and 223 transitions. [2018-09-30 11:37:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-09-30 11:37:21,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:37:21,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 435 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 138 states and 225 transitions. [2018-09-30 11:37:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2018-09-30 11:37:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 11:37:25,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:26,358 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-09-30 11:37:27,398 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-30 11:37:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 140 states and 228 transitions. [2018-09-30 11:37:27,468 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2018-09-30 11:37:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:37:27,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 142 states and 231 transitions. [2018-09-30 11:37:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2018-09-30 11:37:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:37:31,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:32,318 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-30 11:37:32,516 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-30 11:37:33,286 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-30 11:37:34,052 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-30 11:37:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 143 states and 233 transitions. [2018-09-30 11:37:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 233 transitions. [2018-09-30 11:37:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:37:34,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 276 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2018-09-30 11:37:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-09-30 11:37:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:37:35,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 351 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-09-30 11:37:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-09-30 11:37:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:37:37,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 435 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 146 states and 239 transitions. [2018-09-30 11:37:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 239 transitions. [2018-09-30 11:37:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 11:37:40,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:41,090 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-30 11:37:42,193 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-30 11:37:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 148 states and 242 transitions. [2018-09-30 11:37:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 242 transitions. [2018-09-30 11:37:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:37:42,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-09-30 11:37:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-09-30 11:37:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:37:46,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:46,840 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2018-09-30 11:37:47,057 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-30 11:37:47,894 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-30 11:37:48,750 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-30 11:37:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 151 states and 247 transitions. [2018-09-30 11:37:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 247 transitions. [2018-09-30 11:37:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:37:48,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 276 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:49,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 152 states and 248 transitions. [2018-09-30 11:37:49,964 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 248 transitions. [2018-09-30 11:37:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:37:49,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 351 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2018-09-30 11:37:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2018-09-30 11:37:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:37:52,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 435 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 154 states and 252 transitions. [2018-09-30 11:37:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 252 transitions. [2018-09-30 11:37:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:37:54,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 528 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:37:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 155 states and 254 transitions. [2018-09-30 11:37:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 254 transitions. [2018-09-30 11:37:58,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 11:37:58,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:37:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:37:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:37:59,343 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-30 11:38:00,547 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-30 11:38:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2018-09-30 11:38:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2018-09-30 11:38:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:38:00,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 159 states and 260 transitions. [2018-09-30 11:38:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 260 transitions. [2018-09-30 11:38:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:38:05,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:05,789 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2018-09-30 11:38:06,030 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-30 11:38:06,942 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-30 11:38:07,859 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-30 11:38:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 160 states and 262 transitions. [2018-09-30 11:38:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2018-09-30 11:38:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:38:07,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 351 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 161 states and 264 transitions. [2018-09-30 11:38:10,178 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 264 transitions. [2018-09-30 11:38:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:38:10,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 435 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 162 states and 266 transitions. [2018-09-30 11:38:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2018-09-30 11:38:12,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:38:12,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 528 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 163 states and 268 transitions. [2018-09-30 11:38:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 268 transitions. [2018-09-30 11:38:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 11:38:15,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:16,319 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-09-30 11:38:17,602 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-30 11:38:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 165 states and 271 transitions. [2018-09-30 11:38:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 271 transitions. [2018-09-30 11:38:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:38:17,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:22,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 167 states and 274 transitions. [2018-09-30 11:38:22,562 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 274 transitions. [2018-09-30 11:38:22,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:38:22,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:23,153 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2018-09-30 11:38:23,394 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-30 11:38:24,355 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-30 11:38:25,317 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 11:38:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 168 states and 276 transitions. [2018-09-30 11:38:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 276 transitions. [2018-09-30 11:38:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:38:25,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 351 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 169 states and 278 transitions. [2018-09-30 11:38:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 278 transitions. [2018-09-30 11:38:27,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:38:27,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 435 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-09-30 11:38:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-09-30 11:38:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:38:29,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 528 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 171 states and 282 transitions. [2018-09-30 11:38:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 282 transitions. [2018-09-30 11:38:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:38:31,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 630 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:36,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2018-09-30 11:38:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2018-09-30 11:38:36,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 11:38:36,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:37,478 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-09-30 11:38:38,854 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-30 11:38:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 174 states and 287 transitions. [2018-09-30 11:38:38,936 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 287 transitions. [2018-09-30 11:38:38,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:38:38,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2018-09-30 11:38:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2018-09-30 11:38:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:38:44,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:44,923 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-09-30 11:38:45,184 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-30 11:38:46,220 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-30 11:38:47,265 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-30 11:38:47,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 292 transitions. [2018-09-30 11:38:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 292 transitions. [2018-09-30 11:38:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:38:47,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 351 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 178 states and 293 transitions. [2018-09-30 11:38:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 293 transitions. [2018-09-30 11:38:48,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:38:48,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 435 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 179 states and 295 transitions. [2018-09-30 11:38:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 295 transitions. [2018-09-30 11:38:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:38:51,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 528 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 180 states and 297 transitions. [2018-09-30 11:38:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 297 transitions. [2018-09-30 11:38:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:38:53,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 630 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 181 states and 299 transitions. [2018-09-30 11:38:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 299 transitions. [2018-09-30 11:38:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 11:38:56,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:38:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:38:57,887 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-30 11:38:59,376 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-30 11:38:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:38:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 183 states and 302 transitions. [2018-09-30 11:38:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 302 transitions. [2018-09-30 11:38:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:38:59,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:38:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:39:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:39:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:39:05,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 185 states and 305 transitions. [2018-09-30 11:39:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 305 transitions. [2018-09-30 11:39:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:39:05,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:39:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:39:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:39:06,169 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2018-09-30 11:39:06,448 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-30 11:39:07,590 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-30 11:39:08,721 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-30 11:39:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:39:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 186 states and 307 transitions. [2018-09-30 11:39:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2018-09-30 11:39:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:39:08,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:39:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:39:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 435 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:39:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:39:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 187 states and 309 transitions. [2018-09-30 11:39:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 309 transitions. [2018-09-30 11:39:11,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:39:11,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:39:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:39:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 528 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:39:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:39:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 188 states and 311 transitions. [2018-09-30 11:39:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 311 transitions. [2018-09-30 11:39:14,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:39:14,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:39:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:39:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 630 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:39:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:39:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2018-09-30 11:39:17,089 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2018-09-30 11:39:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:39:17,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:39:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:39:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 741 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:39:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:39:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2018-09-30 11:39:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2018-09-30 11:39:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 11:39:21,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:39:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:39:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:39:23,409 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 134 Received shutdown request... [2018-09-30 11:39:24,941 WARN L186 SmtUtils]: Removed 21 from assertion stack [2018-09-30 11:39:24,941 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 11:39:24,943 INFO L168 Benchmark]: Toolchain (without parser) took 244765.56 ms. Allocated memory was 1.6 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -746.2 MB). Peak memory consumption was 514.2 MB. Max. memory is 7.1 GB. [2018-09-30 11:39:24,944 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:39:24,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.01 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:39:24,944 INFO L168 Benchmark]: Boogie Preprocessor took 23.89 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:39:24,945 INFO L168 Benchmark]: RCFGBuilder took 392.98 ms. Allocated memory is still 1.6 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. [2018-09-30 11:39:24,945 INFO L168 Benchmark]: CodeCheck took 244300.48 ms. Allocated memory was 1.6 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -767.3 MB). Peak memory consumption was 493.1 MB. Max. memory is 7.1 GB. [2018-09-30 11:39:24,948 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 PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 135. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.01 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.89 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 392.98 ms. Allocated memory is still 1.6 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 244300.48 ms. Allocated memory was 1.6 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -767.3 MB). Peak memory consumption was 493.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/doubleLoopUniformIterations.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-39-24-957.csv Completed graceful shutdown